| Names | |
|---|---|
| Preferred IUPAC name | N,N'-1,6-hexanediylbis(octadecanamide) |
| Other names | Hexamethylenebis(stearamide) N,N′-1,6-Hexanediylbis(octadecanamide) HMBS 1,6-Hexanediamine, N,N′-dioctadecanoyl derivative N,N′-Hexamethylene-bis-stearamide |
| Pronunciation | /ˌhɛk.sə.məˈθɪl.iːn ˌbɪs stiˈræ.mɪd/ |
| Identifiers | |
| CAS Number | 110-30-5 |
| Beilstein Reference | 16310-35-9 |
| ChEBI | CHEBI:131452 |
| ChEMBL | CHEMBL3306579 |
| ChemSpider | 13730406 |
| DrugBank | DB11336 |
| ECHA InfoCard | 03b4e26a-0e08-4444-87c0-05d07ad53ddb |
| EC Number | 248-258-5 |
| Gmelin Reference | 115540 |
| KEGG | C14354 |
| MeSH | D006626 |
| PubChem CID | 71363 |
| RTECS number | MI4697000 |
| UNII | Q4W9J0708B |
| UN number | UN3077 |
| CompTox Dashboard (EPA) | DTXSID2020140 |
| Properties | |
| Chemical formula | C38H76N2O2 |
| Molar mass | 591.1 g/mol |
| Appearance | White powder |
| Odor | Odorless |
| Density | 0.98 g/cm³ |
| Solubility in water | Insoluble |
| log P | 6.62 |
| Vapor pressure | Negligible |
| Basicity (pKb) | pKb: 3.5 |
| Magnetic susceptibility (χ) | -0.81E-6 cm³/mol |
| Refractive index (nD) | 1.516 |
| Viscosity | Viscosity: 30-50 cps (at 150°C) |
| Dipole moment | 1.37 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 798 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -753.21 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | 16854 kJ/mol |
| Hazards | |
| Main hazards | Causes skin and eye irritation |
| GHS labelling | GHS07; Exclamation mark |
| Pictograms | GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | Not a hazardous substance or mixture according to the Globally Harmonized System (GHS). |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | 285°C |
| Autoignition temperature | > 370°C (698°F) |
| Lethal dose or concentration | LD50 (oral, rat): > 5000 mg/kg |
| LD50 (median dose) | > 5000 mg/kg (rat, oral) |
| NIOSH | SAF89430 |
| PEL (Permissible) | Not Established |
| REL (Recommended) | 200 mg/kg |
| Related compounds | |
| Related compounds | Octamethylene Bis Stearamide Ethylenebis(stearamide) (EBS) Stearamide Hexamethylenediamine Stearic acid |
| Category | Description / Manufacturer’s Commentary |
|---|---|
| Product Name | Hexamethylene Bis Stearamide |
| IUPAC Name | Octadecanamide, N,N'-1,6-hexanediylbis- |
| Chemical Formula | C42H84N2O2
Structure and purity profile often depend on the choice of stearic acid feedstock and amine quality. Grade variability in alkyl chain distribution or residual monoamide content stems from incomplete amidation or recycled feedstock blends. |
| Synonyms & Trade Names |
|
| CAS Number | 110-31-6
Most regulatory and customs declarations rely exclusively on CAS for primary identification, especially for batches moving cross-border. |
| HS Code & Customs Classification |
|
In daily production, the control of amide by-products and free stearic acid remains crucial for batch-to-batch consistency. Feedstock traceability—particularly for vegetable-based vs petrochemical-derived stearic acid—impacts both physical characteristics (melting range, odor profile) and regional acceptability, especially in the food contact plastics sector. Technical requirements vary. In masterbatch applications, the demand for low residual amine values drives refinements in process parameters and post-synthesis purification. Selection of reaction catalysts, temperature control, and vacuum level set the impurity spectrum and ultimately influence the product’s downstream processability.
Different grades often get specified based on downstream processing needs: anti-blocking masterbatches, release agents, or lubricant systems. Particle size, pelletization conditions, and compatibility with bulk polymers can differ, putting attention on in-process sieving and thermal stability. Handling protocols and optimal storage involve minimizing moisture pickup; hydrolysis of the amide bond remains minimal under dry closed conditions, though prolonged exposure to high humidity can alter product flow and affect feeder calibration at the customer’s plant.
Hexamethylene Bis Stearamide typically appears as a white to off-white waxy solid, though slight variation in hue may occur due to raw material origin or grade-specific purification levels. Odor generally remains faint and characteristic of long-chain amides. Melting point and softening range are sensitive to both chain-length distribution and residual reactants. Formulation grade materials may show a modest melting range; high-purity technical grades are more sharply defined. Boiling point data are not generally relevant, as decomposition precedes boiling under atmospheric conditions. Density aligns with other high-molecular-weight amides, typically tailored by downstream processors based on additive blending.
In standard processing and storage environments, Hexamethylene Bis Stearamide resists hydrolysis and oxidation. Highly purified grades exhibit improved resistance to discoloration or chain cleavage under moderate thermal cycling. Quality departments pay close attention to trace catalysts and byproduct amines that can accelerate oxidative byproduct formation, especially during storage at elevated temperatures or in the presence of strong acids or bases.
The compound demonstrates negligible solubility in water and limited solubility in most polar organic solvents. Solubility may increase significantly in hot non-polar organic solvents, which guides selection of dispersants and compounding temperatures during masterbatch production. Batch-to-batch handling in solution form is uncommon outside of specialty applications, though typical practice in surface modification processes involves pre-heating and dispersing within melt-phase matrices under controlled agitation.
| Parameter | Technical Grade | High Purity Grade |
|---|---|---|
| Appearance | Waxy, white/off-white | Waxy, white |
| Melting Range | Grade dependent | Narrower, grade dependent |
| Acid Value | Grade dependent | Typically lower, grade dependent |
| Ash Content | Grade dependent | Typically lower, grade dependent |
Detailed specifications—including impurity content and trace amide/amine analyses—are defined according to the requirements of polymer processing, rubber compounding, or cosmetic application. Certain grades may require stricter limits for volatile organic content, residual monomer, or color stability parameters.
Primary impurities include residual stearic acid, unreacted hexamethylene diamine, and byproduct amides or esters. Processing route, particularly purification and distillation stages, drives final impurity distribution. Tightest limits apply for cosmetic and specialty polymer grades.
In-house and standardized methods (e.g., ASTM, ISO procedures, if applicable for the customer's end use) underpin batch release for properties like melting point, colorimetric indices, acid value, and elemental contaminants. Methods are calibrated regularly using reference standards, with release criteria linked to both internal controls and customer-specific procurement specifications.
Sourcing emphasizes consistent chain length and purity of stearic acid and hexamethylene diamine. Supply variation in feedstock purity or origin strongly affects downstream process yields and impurity patterns.
Commercial production runs a condensation reaction between stearic acid and hexamethylene diamine. The reaction typically proceeds in solvent-free or high-temperature melt phase, eliminating most water vapor as a byproduct. Reaction equilibrium can shift based on molar ratio, temperature, and removal of water by distillation. Choice of catalyst, or its omission, plays a key role in reaction rate and final product color.
Process stability builds on precise temperature control and staged addition of reactants. Systems often utilize vacuum stripping or inert gas sparging to drive conversion and minimize discoloring side reactions. Filtration and vacuum drying remove solid byproducts and volatilized residues. Process controls track in-process acid and amine values to keep conversion above thresholds set by the product application. Final purification strategy is mapped to the grade—technical materials may receive only minimal filtration, whereas functional grades require multi-stage purification.
QC labs validate product identity by spectroscopy, melting range, and residual acid/amine titration. Batches are held for release pending compliance with customer and internal standards. Every lot receives visual, chemical, and melting point checks, with selected grades undergoing additional trace-metal or low-temperature performance tests.
Hexamethylene Bis Stearamide’s amide groups provide stability against most chemical reagents in standard industrial use, including acids, bases, and mild oxidants. Reactive extrusion and compounding can expose it to selective transamidation or cross-linking reactions, although these are uncommon in bulk applications.
Functionalization frequently occurs in melt or solution phase at temperatures adapted to downstream polymer or lubricant formulation needs. Catalyst choice, if any, and solvent usage depend on modification objectives. The compound is frequently co-processed as a matrix modifier or internal lubricant, relying on its compatibility with a broad range of thermoplastics and elastomers.
Derivatives include blends with other fatty acid amides, esters, or specialty waxes, as demanded by anti-block, slip, or mold release requirements. Final functionality is defined by the intended use in plastics compounding, fiber treatment, or lubricants.
Store in tightly closed containers away from moisture, aggressive chemicals, and direct sunlight. Temperature stability holds under ambient conditions typical of industrial storage, though elevated temperatures accelerate discoloration and potential decomposition, especially in partially filled containers. Humidity control reduces risk of hydrolysis for specially formulated grades.
Most industrial container materials—including HDPE, steel, and lined fiber drums—are suitable, provided they are clean and free from reactive residues. Unlined steel may catalyze discoloration or promote trace metal pickup for sensitive grades.
Shelf life reflects sensitivity to exposure: well-sealed containers and controlled storage preserve color and texture. Degradation typically appears as color shift, clumping, or odor development, with risk increasing if exposed to air, light, or high temperatures over extended periods.
No universal GHS classification applies; regulatory status depends on impurity profile and downstream formulation. Personnel consult region-specific regulations or safety data sheets for batch-specific handling guidance.
Handling normally does not present acute toxicity risks; low dust potential and high-molecular character minimize inhalation hazards. Skin and eye contact may cause mild, transient irritation in sensitive individuals, particularly in bulk handling or transfer processes. Always follow established plant PPE and hygiene protocols.
Published toxicological data for pure Hexamethylene Bis Stearamide show low acute toxicity and low propensity for sensitization. Chronic exposure data remain limited; prudent practice avoids unnecessary exposure, and exhaust ventilation is recommended in high-throughput or compounding environments. Never ingest, inject, or utilize in medical or food-contact applications without appropriate certification.
No established occupational exposure limits for the compound as such. Facilities rely on best practice risk assessments for dust and vapor controls, depending on scale and process type. Gloves, long sleeves, and eye protection suit most transfer and repacking operations. Emergency procedures prioritize dust suppression and avoidance of ignition sources when handling large quantities near hot surfaces or oxidizers.
Industrial-scale production of hexamethylene bis stearamide relies heavily on sustained supply of stearic acid and hexamethylene diamine, both of which see cyclical market influences tied to the petrochemical and natural fats sectors. Annual capacity planning weighs feedstock contract security and the volatility of global oleochemical markets. Availability remains stable only where raw material logistics, process uptime, and plant load factors align. Peak production periods reflect downstream polymer and lubricant industries’ demand cycles.
For regular grades, batch lead times closely follow planned plant programs and routine maintenance schedules. Manufacturer-batch minimum order quantities are typically calibrated to optimize reactor loads and mitigate partial batch risks. Custom grade runs for higher purity or application-specific variants extend lead times to accommodate additional process controls and extended QC holds.
Standard packaging formats evolve with product form, storage stability, and customer unloading capabilities. Common options range from woven bags with inner liners for flaked material to fiber drums for granular grades. Large-scale bulk shipments utilize FIBC or silo tankers; package selection stays influenced by purity class, downstream handling system compatibility, and local logistics constraints.
Shipping practices adapt to weather sensitivity, journey duration, and material safety profile. Domestic deliveries route via road; export consignments move through integrated sea-truck solutions to minimize handling. Payment terms reflect market region risk tolerance, with common practices spanning LC at sight for new importers to longer terms for established OEM accounts.
Stearic acid and hexamethylene diamine dominate variable cost structure, each subject to fluctuations from both feedstock (palm oil, petrochemical intermediates) and refinery process yields. Margins absorb seasonal volatility in global fats supply and energy inputs. Transport surcharges factor more heavily into delivered prices as logistics disruptions or regulatory restrictions arise.
Raw material price shifts originate from crop yields, geopolitical disruptions affecting palm oil supply, currency volatility, and regulatory shifts influencing chemical intermediates. Hexamethylene diamine faces periodic constraints due to upstream plant turnarounds and environmental compliance investments. Utility price surges (steam, electricity), especially in jurisdictions with carbon controls, further impact cost base.
Price differentials reflect cascading purity and performance grades, which require incremental refinement, contamination control, and application-tailored analyses. Certified packaging—for food contact or pharmaceutical applications—incurs compliance and validation surcharges. Grades intended for high-performance engineering polymers show premium pricing based on stringent particle size and color targets, as well as batch traceability requirements.
Worldwide availability correlates with regional stearic acid and diamine manufacturing bases. Asia’s dominance in natural fatty acid refining supplies feedstock for local and export demand, led by China and India-built plants. North American facilities prioritize supply chain security for domestic polymer modification; European operations focus on regulatory-compliant, specialty-grade production.
US and EU buyers emphasize supply chain transparency and batch documentation, selecting local or FTA-compliant sources to mitigate import risk. Japan’s market demands advanced lot consistency and thorough regulatory disclosure for functional plastics. Indian capacity adds pressure on mid-tier pricing, while China cycles between net export and import, depending on upstream feedstock arbitrage.
Cost pressures from tightening environmental legislation on palm oil-derived feedstocks and ammonia-intensive diamine intermediates influence forward price curve projections. High volatility in upstream commodity indexes suggests a mild upward trend into 2026 barring raw material supply shocks. Premium pricing maintains separation for certified high-purity and food/pharma grades, driven by global end-user compliance costs. Data interpretation draws from continuous published contract benchmarks, traded spot values, and regulatory market reports across major chemical hubs.
Internal forecasting methods blend plant raw material consumption rates, spot and futures contract reviews, third-party commodity index tracking, and import/export customs data. Regular cross-checking against trade association publications and regulatory filings underpins scenario modeling.
Ongoing developments include regional efforts to tighten palm oil sourcing sustainability certifications and the introduction of stricter purity controls for specialty applications in the EU and North America. Expansion of Oleochemical capacity in Southeast Asia has increased intra-Asia trade flows, driving localized spot price shifts and supply planning adjustments by global players.
Regulators in major economies have adopted new frameworks for reporting trace process impurities, enforcing disclosure thresholds for applications with sensitive human or environmental risk profiles. Adaptation to updated REACH and FDA notifications requires realignment of quality testing protocols and logistics documentation.
To address emerging regulatory and market pressures, upstream process teams have implemented continuous impurity tap sampling and multi-stage purification for higher grades. Quality control has expanded batch archive storage and rapid-response analytical routines, enabling quick adaptation to downstream compliance and certification updates. Production scheduling adapts to favor flexible batch runs, optimizing output based on seasonal and regional feedstock price swings.
Hexamethylene bis stearamide sees use in plastics, lubricants, personal care, powder metallurgy, and coatings industries. Each field values different batch attributes based on its own technical requirements, which are addressed at the production level by controlling raw material qualifications, purification process, and consistency standards.
| Industry | Preferred Grade or Feature | Critical Properties | Notes from Manufacturing |
|---|---|---|---|
| Polymer Additives | High-Purity Grade | Low Volatiles, Consistent Particle Size | Batch-to-batch purity and dispersion behavior affect extrusion line operation and product appearance. Fines content and flowability relate directly to downstream blender and feeder reliability. |
| Powder Metallurgy | Controlled Particle Size Grade | Particle Size Distribution, Minimal Agglomeration | We maintain traceability on each lot's sieve and morphology records. End users in sintered part production raise concerns with any shift outside their packing density window, so grade matching follows strict statistical process control. |
| Personal Care | Cosmetic or Pharma Grades | Very Low Contaminants, Allergenic Checks | Our quality control enforces additional screening for fiber or black particle contamination and ensures no cross-exposure to other process streams. |
| Lubricants and Greases | Standard Technical Grade | Batch Consistency, Storage Stability | Consistency of melting point and absence of water pickup directly influence blend preparation and shelf storage. Grades designed for easy incorporation reduce risk of oil separation during storage at blending plants. |
| Coatings | Special Dispersible Grade | Dispersion Rate, Filterability | Formulators specify grades tolerating tight micron-level mesh filtration to avoid surface defects in high gloss finishes. Any process drift is tracked and adjusted using in-process controls on drying and milling steps. |
Grade selection depends not only on end-use but also on sensitivity to residual monomer, ash content, and melt behavior. Lubricant formulators focus on residue content after aging tests, whereas personal care uses demand additional attention to trace organic impurities and potential allergens. Polymeric additive users expect control over color standards and low extractables, which means product from production lines dedicated to those sectors. Each parameter monitored in our labs addresses a specific customer concern and aligns with industry-specific audit protocols.
Clarify the process environment and function. In molding compounds, priority is on particulate flow and zero surface defect introduction. For cosmetics, absence of foreign matter and compliance with allergenic labeling take precedence.
List the certifications, regional directives, or customer-imposed controls required for your use case. Food contact or cosmetics uses face heavy documentation. Manufacturing sets up isolated purification and batch retention procedures to fit such cases.
Map end-use technical risk to impurity control. For electrical or automotive polymer systems, minor variances in purity or trace metal content generate rejects. We match grades by reviewing internal trace impurity profiles with the client, selecting only lots that sit within the designated risk envelope.
Project volume and cost targets influence batch size and make-to-stock strategy. Technical grade produced on large lines gives best value at scale, but high-purity or cosmetic lots require smaller, more tightly controlled runs, which shift the economics.
Run material on pilot or production-scale trials before full order. This step screens for process compatibility and unexpected interactions. We advise test batches pulled from the intended production lot. Feedback provides the basis for final specification lock-in and release documentation.
Raw material selection relies on supplier quality history and full traceability. We monitor in-process color, particle size, and melting range to flag deviations before final blend or packaging. Impurities can originate from raw fatty acid feedstock or from process vessel residues; mitigation comes through purification unit upgrades and routine vessel cleaning. Batch consistency is tracked with statistical quality control software, feeding back to upstream process tuning. Final release criteria reflect a combination of industry standard requirements and user-dictated tolerances, defined through mutual agreement and routine communication with customer technical teams.
Hexamethylene Bis Stearamide production follows process controls anchored in ISO-certified quality management systems (QMS). Certification standards such as ISO 9001 address procedural repeatability, supplier qualification, audit traceability, and corrective action handling across manufacturing and downstream logistics. Quality managers regularly conduct gap analyses against regulatory updates and customer feedback to maintain certification relevance. The QMS scope covers incoming raw material lot verification, route-specific process control points, and batch documentation, supporting robust change management.
Downstream segments such as plastics, lubricants, and masterbatch manufacturing often specify unique compliance benchmarks. Certification requests may reference REACH registration, regional chemical inventory listing, or heavy metal and SVHC screening based on intended market. For grade selection, filtration residues, trace impurity thresholds, and trace analytical methods are determined in alignment with both regulatory and end-use needs. Each batch release for performance-critical applications includes adherence to mutually agreed technical specifications, which may reference international or customer-driven certifications.
The technical documentation package typically contains certificate of analysis (COA), production batch record, and analytical compliance reports, which serve as traceable records from pre-shipment to downstream audit events. If customer or third-party audits require, supplementary documentation such as impurity profiling, origin statement, and process route summary may also be provided. For new qualification projects, sample documentation includes technical Q&A handling and transparency about both product history and process updates.
Large-scale synthesis facilities for Hexamethylene Bis Stearamide operate with core process lines dedicated to high-volume orders, supporting consistent planning for monthly and annual offtake. Where customer forecasts indicate variable offtake needs, flexible production scheduling and batch size adjustment can take place within established lead times. As the actual producer, scheduling transparency is shared for inventory planning, raw material procurement optimization, and campaign change management.
Batch consistency relies on upstream raw material quality, in-process control discipline, and the use of validated equipment. Dedicated reactors and filtration systems minimize cross-contamination risk between product families. Production output and plant line allocation are periodically balanced according to both historical offtake data and short-term surge requirements. Risk assessment of raw material sourcing, including alternate supply routes for strategic intermediates, helps secure continuity against market or logistics disruptions.
Technical and purchasing teams commonly request application samples for grade qualification, line trials, or regulatory submissions. The sample application process involves provision of written end-use information, volume requirements, and target specification parameters. Documentation for samples includes lot history, analytical data, and handling guidance. Feedback during sample adaptation guides fine-tuning of supply grade or technical support in subsequent scale-up.
Flexible business modes permit long-term supply contracts, spot procurement, consignment stocking, or joint inventory management, depending on the supply chain structure of the downstream industry. For projects with rapid ramp-up or seasonal demand shifts, adaptive contract models—such as minimum take-or-pay arrangements or rolling forecast-based planning—support mutual risk management. Formal business reviews and feedback loops promote collaborative improvement in process responsiveness, batch documentation depth, and technical support response.
Hexamethylene Bis Stearamide development currently tracks closely with trends in polymer compounding, high-performance lubricants, and specialized dispersing agents. Research teams focus on reducing residual amine and controlling stearate purity to minimize yellowing in light-sensitive masterbatches. Control over molecular weight distribution and amide homogeneity has become central for high-transparency film grades and medical-use polymers. Internally, our laboratories monitor the effect of different hydrogenation processes on fatty acid inputs, recognizing that degree of saturation can significantly affect end-use polymer performance.
Increasing interest comes from manufacturers of engineering plastics, especially in automotive and electrical fields. The migration properties in polyamide systems and compatibility with biobased polymers are emerging as key evaluation points. Some customers have started exploring the use in environmentally sensitive coatings, requiring reduced extractable components. Customers request more data on long-cycle stability and migration resistance for thin-wall injection molding.
Process variation in feedstock quality, especially in natural fatty acid lots, introduces risk of off-color and odor. Technical work has pointed to the importance of real-time FTIR and colorimetry for batch release in demanding optics or electronic encapsulation. Breakthroughs in process-side filtration and vacuum-degassing have brought down the amine content close to detection limits, especially in high-purity grades. Practical limitations continue to affect throughput for highly hydrogenated, low-unsaturation versions. Customers requesting halogen-free fire retardancy drive new application testing, revealing certain migration challenges that demand custom compounding advice.
The global demand trajectory for Hexamethylene Bis Stearamide links with growth in engineering plastics and rubber processing, with the highest inquiry levels expected in Asia and North America for polyamide and polyester modifier applications. Market growth rates depend sharply on automotive electrification, lightweighting, and regulatory shifts encouraging halogen- or biobased additives. Volatility in natural stearic acid feedstock could require ongoing adjustment in supply chain management and customer notification procedures.
Process improvements focus on tighter control of free fatty acid and tertiary amine byproducts, important for electronics and medical grades. Closed-reactor synthesis designs and staged purification reduce batch-to-batch variation in color and melt viscosity. Enzyme-assisted or green catalytic systems have undergone internal trials, but current industrial adoption remains limited by throughput and cost per ton. Granular documentation of impurity removal steps aids traceability and certification for high-spec markets.
Biomass-derivable and low-carbon footprint certifications now appear in requests from multinational buyers. Internally, process teams assess biomass traceability and total CO2 emissions per batch, as well as chemical recovery and effluent minimization strategies. Offers of renewable grades combine physically tracked or mass-balance sourced stearic acid with audit trails available on request. Solvent minimization and closed-loop water systems increasingly factor into technical audits and certification programs, especially for export customers in Europe and North America.
The technical team provides direct interpretation of analytical and handling data, tailored to the polymer type and application method. Customers typically ask about dispersion in different carrier resins, compounding sequence impacts, and influence on optics or surface slip. Detailed advice stems from our lab and pilot trials, with access to application-specific data (e.g., influence on tensile properties or thermal deformation in particular matrix polymers) provided by request.
Support covers formulation troubleshooting, recommendations for masterbatch incorporation, and guidance on cycle time performance in injection, extrusion, and blow molding. Some grades require finely tuned drying and handling to avoid moisture-induced agglomeration, which the technical team demonstrates through on-site or remote sessions. Advisors suggest optimal addition levels for new matrix systems and help diagnose downstream processing issues, providing documented results from similar industry applications.
All supplied lots undergo controlled release testing matched to customer-specified tolerances (color, melt characteristics, purity). Any off-standard shipment is tracked through a documented corrective action process, with rapid analytical backup available for all product grades. Ongoing customer feedback informs internal review cycles, with recurring issues fed back into process improvement projects. Support extends to regulatory documentation for registration, REACH-compliance, and food-contact statements, as relevant for each contract or product grade.
Our facility has specialized in the production of Hexamethylene Bis Stearamide for over a decade. All synthesis, refining, and finishing steps take place in our own integrated plants. We manage raw material selection, process optimization, and traceability through batch-controlled systems. No stage of production is outsourced. End users receive material in the form manufactured at our site, consistent with the specifications required for technical and industrial use.
The main application of Hexamethylene Bis Stearamide lies in engineering plastics as a processing aid and internal lubricant. Polyamide compounding, polyolefin extrusion, and masterbatch production all rely on this amide for its ability to promote polymer flow, reduce melt viscosity, and improve surface finish. Certain sectors in the textile, cable, and high-grade film industries specify Hexamethylene Bis Stearamide to achieve repeatable processing behavior at elevated temperatures. Our customers use the material not only to boost throughput but also to control static properties and combat sticking or blocking in automated forming lines.
We enforce narrow tolerance in acid value, melting point, and particle size, monitored with calibrated on-site instruments. Automated feeders and controlled reaction conditions limit lot variation. Regular QC checks and archived reference samples anchor each batch to a documented record. Reprocessing protocols allow us to rework off-spec batches rather than sending them for disposal, further reducing waste. All product leaving our line meets customer-specified cut points—without exceptions or shipment of blended off-spec fractions.
We supply Hexamethylene Bis Stearamide in formats tailored to industrial processing: PE-lined bags, fiber drums, or FIBCs for bulk delivery. Plant staff inspect and seal every package before it enters distribution. Whether supplying single-pallet pilot runs or full-container lots, we maintain inventory buffers and finished goods release procedures to meet customers’ schedule requirements. Direct logistics link our plant to ports and roadways, supporting both domestic and international shipment in compliance with all transport regulations for chemical goods.
Customers often require data on melt behavior, compatibility, or specific regulatory compliance. Our technical team provides certificates of analysis from each production lot, recommendations for processing parameters, and advice on handling, dosing, and storage. Application engineers address questions not only at the start of the project but as process conditions evolve or usage shifts. Close dialogue between user and manufacturer improves plant yield and reduces troubleshooting time for downstream converters.
Direct sourcing from our manufacturing base allows buyers to secure predictable pricing, steady availability, and documented batch origin. Distributors gain scheduling and formulation confidence, avoiding inventory gaps due to third-party supply chain variability. Procurement departments benefit from transparent lead times, established product consistency, and documentation that supports traceability or regulatory audits. This approach cuts risk throughout the supply chain and supports long-term production and R&D planning for end users.
In our daily production runs, we see straight away how Hexamethylene Bis Stearamide handles in real-world polymer applications. This compound has a defined melting point, typically in the 140–146°C range, and this feature makes it easy to incorporate as a processing and release aid in extrusion and molding lines. We consistently produce material with a controlled particle size and low residual moisture to ensure flow rates stay consistent from batch to batch.
Because Hexamethylene Bis Stearamide stays thermally stable at the usual processing temperatures for polyolefins, ABS, and polyamides, it does not degrade or discolor under typical processing cycles. We have seen this material deliver good lubricity in high-shear screw extruders, where it helps resin move smoothly and reduces torque on the equipment without sticking or agglomeration. This cuts down on wear and supports higher throughput. We check every batch for purity and maintain strict controls on feedstock, so users do not have to worry about carryover contamination that could affect finished part quality or cause unpredictable mold deposits.
We supply Hexamethylene Bis Stearamide as a uniform microcrystalline powder or granular concentrate, depending on customer requirements. Both forms flow well during blending and gravimetric dosing. Our packaging and process controls keep the product free from clumps, static charge, or cross-contamination with other additives. This means our customers see reliable results whether they feed it directly into a hopper, pre-mix with masterbatch, or blend at large scale. Good shelf-stability keeps performance steady over time, so there is no need for constant adjustment or checks in the mixing room.
We regularly receive feedback from customers tackling challenges like mold release in complex geometries or films sticking on the wind-up roll. Because Hexamethylene Bis Stearamide migrates slowly to the polymer surface, it acts as a long-term release agent rather than just an initial process lubricant. This slow migration also provides sustained anti-block properties in film applications, so rolled goods separate cleanly with less mechanical stress and less risk of surface defects. On the molding side, the low coefficient of friction reduces sticking and supports easier demolding.
We do not add external plasticizers or non-compatible oils; our purity standards ensure the product stays within regulatory demands for end-use sectors like packaging. There is no odor or off-gassing, and no adverse effects on base polymer transparency or color when blended at recommended loadings. We have verified this with in-house extrusion and molding trials over thousands of cycles.
By dialing in the right Hexamethylene Bis Stearamide loading and distribution profile for each customer’s machine type and resin package, we help customers achieve steady cycle times, better surface finishes, and lower scrap rates. Our technical team supports direct trials at customer sites to adjust dosing and blending protocols, sometimes even altering the product’s grain size or surface treatment to match new processing lines. If problems like hopper bridging or mixing irregularities arise, we can recommend flow aids or batch adjustments based on actual line data. We know the stakes in keeping production efficient, and we design our releases, QC protocols, and traceability procedures for real factory use, not theoretical spec sheets.
From our factory perspective, every Hexamethylene Bis Stearamide shipment reflects years of cumulative hands-on manufacturing and technical support experience. Our goal stays focused on reliability, application flexibility, and removing downtime from polymer processing.
As a direct manufacturer of Hexamethylene Bis Stearamide, we structure our packaging to support industrial application and secure logistics. Experience in bulk chemical production has shown us that packaging and minimum order sizes impact not only cost efficiency but also product integrity throughout distribution. Over the years, we have standardized our solutions based on the realities of both frequent purchasing and long-haul shipment.
Hexamethylene Bis Stearamide is commonly delivered in multi-wall kraft paper bags with PE liners or heavy-duty fiber drums, each designed to protect the powder during shipment and storage. The classic bagged quantity is 25 kilograms net. For drum packaging, capacities range from 25 to 50 kilograms net, tailored to support dense stacking and easy handling in warehouses. From the production line, we oversee each step to ensure contaminant-free filling; liner quality and sealing methods are under consistent review to meet regulatory cleanliness and moisture resistance requirements.
For customers scaling to higher volumes, we provide super sacks (also called FIBCs) with capacities up to 500 or 1,000 kilograms, used for large single-lot projects or streamlined internal transfers. These packages are stretch-film wrapped on pallets, minimizing risk during intermodal or international shipments.
Our facility operates on an industrial scale, where each campaign run produces several metric tons. The efficiencies gained support volume-based pricing and reduce per-kilogram transportation costs. The minimum order quantity for Hexamethylene Bis Stearamide generally starts at 500 kilograms. This allows us to ensure consistency between batches and helps offset necessary documentation, regulatory compliance, and logistics preparation. Shipping sub-pallet lots undermines traceability and logistics safety, two aspects we prioritize.
Bulk orders, defined at the 1-ton or containerized level, bring down per-unit costs further and offer a foundation for collaborative inventory planning. Our logistics team has extensive experience in loading, packaging optimization, and certified cargo securing for container transport, supporting customers with both advance and just-in-time delivery schedules.
From our manufacturing viewpoint, product quality control extends well beyond the plant door. The choice of packaging affects how batches retain their performance properties throughout their lifecycle. For instance, exposure to moisture, air, or temperature inequities raises the risk of clumping, an issue best mitigated through durable packaging and clear inventory rotation policies. Our technical staff tracks product feedback closely, refining packaging layers or palletizing methods to align with customer handling constraints and requested shelf-life.
Reliable packaging and clear minimum order guidelines minimize unnecessary production stoppages. These policies also deliver predictable timelines, real-time inventory recordkeeping, and accurate COA tracking for all shipments. We frequently consult with end-users to adjust packaging if a project shift or regulatory update requires changes.
Decades as a primary producer have taught us to match not just baseline regulatory requirements but also the operational demands of our partners. Our standards for packaging and minimum quantity reflect factory realities—optimizing for safety, predictability, and cost at every step. For technical questions or to discuss tailored orders beyond our standard specifications, our team works directly with customers to support R&D or scale-up programs.
Producing Hexamethylene Bis Stearamide at industrial scale involves regular audits of all input chemicals and thorough oversight of every batch process. We follow strict internal protocols aligned with European chemicals regulations. Our regulatory team maintains current records on the status of individual substances used in manufacturing so each batch of our product reflects up-to-date compliance with REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals).
As a direct manufacturer, we have filed the necessary registration under the applicable REACH tonnage band and keep our registration dossiers available for review by European authorities. We do not use substances of very high concern (SVHC) above threshold levels as listed in the latest ECHA updates, and we continuously review formulations to prevent accidental introduction of restricted chemicals. Auditors or partners visiting our sites can verify documented compliance on the shop floor, right from the raw materials warehouse to finished goods storage.
Moving Hexamethylene Bis Stearamide across borders brings the obligation to meet international shipping regulations under IMDG (International Maritime Dangerous Goods Code), IATA for air, and ADR for road transport within Europe. Our logistics staff confirms each outgoing shipment matches applicable requirements. We train warehouse and transport personnel to handle packaging, labelling, and documentation according to the most recent transport standards, including proper declarations and hazard classification. Material is packed in line with recommendations for chemical intermediates that are non-corrosive and non-flammable, minimizing regulatory obstacles at ports and customs.
For shipments to any region with local requirements beyond global codes, including Asia-Pacific or the Americas, our documents and processes adapt to local specifics. We monitor global updates to shipping rules to preempt compliance gaps. Our on-site export documentation office handles all necessary paperwork in-house, eliminating any communication breakdown between manufacturing and shipping.
Our technical documentation is managed internally, not outsourced. Each shipment includes an up-to-date Safety Data Sheet (SDS) that aligns with GHS (Globally Harmonized System) and the regulatory environment of the destination market. We issue Certificates of Analysis (COA) batch-by-batch, specifying key analytical parameters. The technical lab generates these values using calibrated, traceable equipment. Consistency and accuracy are critical, so we store digital copies for every lot, ensuring quick retrieval when additional documentation is needed by regulators or end-users.
We can support customers with regulatory summaries, allergen statements, and other compliance letters, prepared directly by our qualified personnel. Frequent requests for third-party validation of documentation—such as independent lab reports—are processed through official channels so customers can trust the authenticity of all compliance claims.
Direct oversight of the entire manufacturing and distribution process lets us quickly adapt to regulatory changes and answer technical questions. Transparent record-keeping and open channels with regulatory authorities ensure our customers always have the documents and data required for both internal audits and governmental checks. Our technical and regulatory teams undergo ongoing training so company-wide procedures stay both efficient and compliant with evolving chemical legislation.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327
