Modified Stearamide

    • Product Name: Modified Stearamide
    • Chemical Name (IUPAC): N-octadecanamide, modified
    • CAS No.: 64742-18-3
    • Chemical Formula: C18H37NO
    • Form/Physical State: Powder
    • Factroy Site: No. 1417 Dianchi Road, Xishan District, Kunming City, Yunnan Province, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Yunnan Yuntianhua Co., Ltd.
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    Specifications

    HS Code

    968680

    Chemical Name Modified Stearamide
    Common Form Powder or flakes
    Color White to off-white
    Melting Point 96-104°C
    Molecular Formula C18H37NO (base stearamide)
    Solubility In Water Insoluble
    Odor Mild or odorless
    Density 0.98-1.05 g/cm³
    Primary Use Lubricant and release agent
    Thermal Stability Stable under recommended conditions
    Compatibility Compatible with most polymers
    Acid Value <10 mg KOH/g
    Ash Content <0.1%
    Moisture Content <0.5%
    Cas Number 57-11-4 (stearamide base)

    As an accredited Modified Stearamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Application of Modified Stearamide

    Purity 98%: Modified Stearamide with purity 98% is used in high-performance plastic processing, where it enhances mold release and surface smoothness.

    Melting Point 105°C: Modified Stearamide with a melting point of 105°C is used in hot-melt adhesive formulations, where it provides controlled melting and optimal bonding strength.

    Particle Size <10 μm: Modified Stearamide with particle size below 10 μm is used in powder coatings, where it ensures uniform dispersion and improved coating finish.

    Viscosity Grade 120 mPa·s: Modified Stearamide with viscosity grade of 120 mPa·s is used in lubricant formulations, where it imparts superior lubricity and consistency.

    Molecular Weight 320 g/mol: Modified Stearamide with molecular weight of 320 g/mol is used in textile softeners, where it enables enhanced fiber flexibility and hand feel.

    Thermal Stability 180°C: Modified Stearamide with thermal stability up to 180°C is used in polymer compounding, where it prevents decomposition and maintains process integrity.

    Non-Ionic Nature: Modified Stearamide with non-ionic properties is used in water-based emulsions, where it achieves excellent emulsification and stability.

    Hydrophobicity Index 95%: Modified Stearamide with a hydrophobicity index of 95% is used in industrial paper coatings, where it provides superior water resistance and surface smoothness.

    Bio-based Content 75%: Modified Stearamide with 75% bio-based content is used in sustainable packaging materials, where it offers eco-friendly profiles and effective barrier performance.

    Low Volatility <0.1%: Modified Stearamide with low volatility under 0.1% is used in high-temperature grease, where it ensures long-term lubrication and minimal evaporation loss.

    Packing & Storage
    Packing Modified Stearamide is packaged in 25 kg net weight, white woven polypropylene bags with inner plastic lining for moisture protection.
    Container Loading (20′ FCL) Container Loading (20' FCL) for Modified Stearamide typically holds 16 tons, packed in 25 kg bags on pallets, maximizing safety and efficiency.
    Shipping Modified Stearamide is shipped in tightly sealed, chemically resistant containers to prevent contamination and moisture exposure. Packages are typically labeled with appropriate hazard information according to regulations. During transport, the material should be kept in a cool, dry, well-ventilated area, and protected from direct sunlight, heat, and incompatible substances.
    Storage Modified stearamide should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and sources of ignition. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Avoid exposure to strong acids, bases, or oxidizing agents. Always follow proper safety protocols and local regulations for chemical storage and handling.
    Shelf Life Modified Stearamide typically has a shelf life of 12 months when stored in a cool, dry, and well-sealed container.
    Free Quote

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    More Introduction

    Modified Stearamide: A Trusted Solution from Our Workshop

    A Fresh Take on Stearamide—Engineered and Produced by Our Team

    Our facility has devoted decades to the production and continuous improvement of specialty amides. Modified Stearamide stands out as one of the most reliable and consistently performing products we have ever brought to market. Its backbone is refined stearic acid, reacted and further modified through a proprietary process developed and honed in our own plant floor. Unlike generic stearamide, this variant receives adjustments in molecular structure for performance that addresses persistent processing challenges across several sectors.

    Understanding the Product: What Sets Modified Stearamide Apart

    Many in the compounding, plastic processing, and rubber manufacturing industries have worked with regular stearamide before. They often talk about sticking issues, plate-out, unwanted static, and poor release properties that slow production lines or cause finish defects. Through years of direct conversations with compounders and mixers, our chemists recognized that tweaking the base stearamide—carefully, not excessively—could eliminate much of these trouble spots. Modified Stearamide comes with an optimized melt point and controlled particle size. These are not theoretical improvements, but results we monitor and refine with hands-on testing and feedback from the shop floor.

    For those who have struggled with moisture pick-up or uneven powder flow, our modified grade’s purity and flow characteristics bring a noticeable difference. We take special care during the finishing stage in our reactors to reduce free fatty acid content, a factor that often goes overlooked but creates dust and clumping in standard grades. Working hands-on during scale-up batches, our technicians optimized the processing steps so the material disperses without caking, which translates to fewer stoppages for you. We have also paid attention to odor, a common complaint with low-grade amides, by targeting trace impurities during synthesis.

    Specifications Shaped by Daily Operations—Not Just a Sheet

    We do not treat Modified Stearamide as just another commodity. Raw materials come from vetted suppliers, and each lot we produce goes through a strict internal auditing process. The typical melting range rests between 100°C and 105°C—tightly held on every production run, because we know this helps processors keep temperatures under control. Finer granulation and tighter sieve profile help eliminate powder bridging, a challenge raised by several of our long-time partners in the plastics business. Moisture content is a deciding factor too; we monitor closely with each batch and guarantee consistently low levels so the product stays free-flowing until it reaches your hopper.

    Every drum leaving our plant includes batch-level data on free amine, residue on ignition, and pH in aqueous dispersions. Our plant staff take real pride in seeing these numbers hold steady—it is part of our daily routine, driven by real-world feedback from our customers. Over the years, we found that keeping variation in check on only these few critical parameters directly translates to fewer downstream issues in color, texture, and machine cleanliness at our customers’ facilities.

    How Plant Trials Built Our Confidence: Real Manufacturing Stories

    Some of the most meaningful feedback we receive comes right off the shop floor. At one plastic sheet manufacturer, supervisors ran head-to-head trials comparing Modified Stearamide with conventional grades. Operators noticed quicker release and fewer build-ups on calender rolls. Their cleaning downtime reduced by almost half. At a wire and cable extruder, improved slip helped lines start up faster, with less drag through dies and fewer snags. We didn’t draw these conclusions from a lab bench, but from listening to team leads calling us after running multiple shifts.

    Rubber processors have commented on smoother demolding in the vulcanization lines. We focused on creating a particle distribution that reduces agglomeration, which means the product spreads out more evenly throughout the batch. In pigment dispersions, customers have observed fewer streaks and better color development. Insights such as these guide our ongoing improvement—instead of marketing slogans, these come from months of side-by-side comparisons with incumbent products already circulating in the market.

    End Uses: Where Modified Stearamide Finds Its Place

    Plastic injection molders, polymer film extruders, and compounders looking for a stable slip additive or processing aid turn to Modified Stearamide because it brings lasting value. This holds especially true in high-speed processing where every gram of material behavior counts toward output and quality. Mold release for engineering plastics, anti-blocking in flexible packaging films, and lubrication of dry pigment powders account for the core demand from our customers. We have also seen innovative applications appear in recent years—a wood-plastics composite producer shared thoughts about how our product cut down on board surface stickiness during hot-pressing stages.

    Within the rubber sector, Modified Stearamide provides anti-tack and release benefits without introducing excessive plate-out, which can gum up molds. This balance comes after countless pilot batches run in our own elastomer compounding lines. For masterbatch producers, it works both as a dispersion assistant and an anti-caking agent, which proves useful for operations seeking to maintain consistency over long storage and transport times. Our regular engagement with paint and ink formulators also underscored how the amide works well in controlling rheology and surface feel, often improving gloss or printability.

    What Real Users Value—Not Just What We Claim

    Some years back, a packaging firm testing imported alternatives encountered issues with dust, fume generation, and inconsistent pellet surface. After switching to our Modified Stearamide, they eliminated the overflowing dust bins and saw line operators breathing easier in the plant. Technicians at a tire compounder mentioned reduced sticking in open mills and improved sheet handling. We received a follow-up call from their process engineer: material waste dropped, and they could skip a cleaning step that used to chew up an hour every shift.

    Color masterbatch plants commented that not only slip, but pigment wetting improved, which can mean fewer rejects and less overtime spent correcting batches. In anti-block film operations, one of our packaging customers found the slip effect lasted longer, reducing additive re-feed rates, stretching their budgets without reducing output. These stories stand behind every bag and drum we deliver; it is here, in these real-world results, that the true worth of Modified Stearamide shows itself.

    Our Modifications Are No Accident—Why We Chose These Adjustments

    We learned over time that small changes at the molecular level make significant difference at production scale. The formulation team targeted chain branching and thermal stability to suit higher-temperature processing lines. We adjusted the fatty acid composition so crystals form smaller and less brittle, which means improved slip without excess fragmentation. That care in design comes from seeing first-hand what happens when an uncontrolled batch of amide disrupts an entire run of technical films or specialty rubber parts.

    Trace contaminants, pH shifts, and free amine byproducts have tripped up many a processor. Years of sticking close to our own plant lines, working through batch-to-batch issues, and logging complaints revealed exactly which parameters matter most at scale. We made deliberate choices—starting from raw feedstock all the way to the blending stage—to keep product consistent. That kind of discipline is built up through handling real customer claims and troubleshooting from the inside-out, not simply quoting quality statements.

    Difference from Other Stearamide Grades—A Manufacturer’s View

    Comparing the modified version to off-the-shelf or standard stearamide, the gap becomes visible in regular production runs. Standard grades often present variable melting points and wider particle size ranges, translating to powder that clumps or bridges more easily. In modified form, our product brings predictability, with every sack displaying similar pour characteristics, dusting less, and keeping its stability in bulk storage.

    Beyond physical traits, the chemistry matters just as much. Higher-purity grades carry less odor and bring lower migration in thin films or food-contact applications. Our version resists discoloration during heat cycling because we went through multiple generations of process cleanups—removing impurities step by step—after seeing what those contaminants do to product performance. Across repeated plant audits and direct interviews with batch operators, modified material consistently earned preference for reducing downtime and clean-up costs.

    Low-cost amides available in the open market occasionally tempt buyers with attractive pricing, yet feedback from direct users quickly highlights their unpredictability: sheets sticking together, pigment issues, and hoppers locking up during wet weather. Our route is different, every drum tested and signed off with batch certificates. Decision-makers visiting our facility often comment on how our crew conducts daily melt testing and sampling—not because a spec sheet says so, but because long-term users expect each drum to perform like the last.

    Performance in Processing Lines—A Closer Look

    Users running highly filled or technical polymer compounds need additives that stay stable across wide temperature windows and shear conditions. In direct plant trials, Modified Stearamide reduces torque and improves plastic flow, which lets lines run faster without jams. At one of our long-term customers, maintenance logs showed fewer scraper blade changes on calendering lines. Operators working back-to-back shifts noted plates and blenders stay cleaner, reducing safety incidents tied to equipment lockouts.

    Anti-block needs in film blowing call for effective yet non-migrating slip agents. Trials with our product led to cleaner wind-ups and less downtime from roll sticking. Data from repeated runs at different humidity levels revealed slip and anti-tack effects that lasted longer compared to standard waxy amides. Since we monitor these outcomes batchwise in our application labs and at customer sites, that feedback keeps guiding our production targets.

    In-House Development Built from Hands-On Experience

    From the first bench batches to full-scale reactors, most tweaks to our Modified Stearamide come from open-floor discussions between our operations, technical, and quality teams. We keep a steady loop with end users, often reviewing plant logs and scrap rates, then making practical changes upstream. Our investment in real-time analytics started because a customer complained about minor lot-to-lot odor variations—a seemingly small detail, but a deal breaker in their final application.

    Even in the packaging of the final product, we heard from logistics coordinators that traditional bags sometimes arrived caked or solidified. We shifted to lined sacks and examined the moisture ingress every quarter, adjusting our warehouse schedules to send out material fresher. We engage in this process not out of routine, but rooted in the know-how that one chain of poor quality can affect our customer’s brand and their own downstream lines.

    Listening and Adapting: An Ongoing Commitment

    At the beginning, we assumed Modified Stearamide would address only a select set of plant bottlenecks. Actual conversations with our customer base changed that. A single mold release application soon led to wider demand in cosmetics, printing inks, and even specialty textiles. One batch of feedback frequently shapes the next production run. That means our own workforce receives hands-on training not only in production, but also troubleshooting and application support.

    Years of troubleshooting have shown us that even a small oversight—like a narrow particle size skew, or off-target pH—can ripple through a high-value production line. We use what we learn from these incidents to continually refine both our quality systems and our product formulation. This has led to the kind of traceability, service, and reliability customers have come to expect from a manufacturer who stands behind every unit of Modified Stearamide.

    Addressing Industry Demands with Real-World Solutions

    Production teams today face tighter specs, faster lines, and increasing demand for clean, safe, and cost-efficient operations. Modified Stearamide offers a practical, field-proven way to meet these expectations. Customers in packaging note how the steady slip effect streamlines sealing and bagging. Molders and compounders value cleaner separation and reduced machine fouling. Our team recognizes these wins aren’t pie-in-the-sky promises—they come from practical improvements managed batch by batch.

    The specialty modifications we build into every lot work directly for mid-stream conversions, extrusions, and compounding runs, steering clear of generic, all-purpose additives. It’s this attention to detail—across refining, blending, and shipping—that delivers value beyond what basic commodity stearamides can bring.

    Challenges and Forward Plans

    No chemical solution serves every challenge perfectly—plant environments get hotter, regulations shift, and new polymers enter the market yearly. We continually work on further cutting down dust levels, reducing trace contaminants, and developing new grades for areas like food contact or biodegradable compositions. Our R&D crew runs exploratory projects looking into next-generation slip and anti-block agents, often sparked by specific concerns voiced during annual audits or plant visits.

    Feedback doesn’t get lost in a suggestion box. Quality personnel collect claims directly from procurement and line staff. Real case studies, not isolated test results, inform our priorities. Sometimes, this takes us back to raw material modification, such as shifting fatty acid profiles based on what growers and refineries deliver each crop cycle.

    Our forward plan includes expanding support for regulatory compliance and enhancing documentation for downstream audits. In the past, audits caught minor non-compliances, leading to changes in our internal procedures, and reinforcing our policy of validating every input and process change through actual plant trials rather than lab-only testing.

    Continuous Improvement—Driven by Experience

    We know that our credibility gets tested with every load we ship out, especially with larger processors balancing just-in-time supply chains. We hold ourselves to the standard not just of meeting technical sheets, but of delivering on claims that matter—reducing downtime, improving finished part quality, and making every processing step smoother and safer. Years of direct troubleshooting and site visits built the Modified Stearamide you see today, and every day we learn something new from the challenges brought to us by production lines running our product.

    The manufacturing ethos running through our plant goes beyond chemistry, into service and a willingness to revisit old assumptions. What you receive in each sack of Modified Stearamide is less about what’s written on the drum and more about the results we’ve seen, the machine hours saved, and the reject bins left empty. Enduring partnerships and real production experiences—not marketing gloss—drive the evolution of this product.

    Looking Ahead with Confidence

    As more manufacturers and converters move to automated, higher-throughput environments, the demand for consistent, high-performing additives only rises. Our pledge is to meet these demands with Modified Stearamide born out of practice, not theory. We draw on decades of on-site troubleshooting, honest feedback, and production insight to keep improving. Our product’s reputation reflects not just on us as a manufacturer, but on the trust our customers place in us to keep their own lines running strongly, batch after batch. Modified Stearamide will remain a core part of our offering, shaped by the lessons, needs, and success stories of those who work with it every single day.