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Hydroxyaluminum Distearate

    • Product Name Hydroxyaluminum Distearate
    • Alias Aluminum Stearate
    • Einecs 215-137-3
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    791620

    Chemical Name Hydroxyaluminum Distearate
    Chemical Formula C36H71AlO5
    Molecular Weight 621.92 g/mol
    Appearance White or off-white powder
    Odor Odorless
    Solubility In Water Insoluble
    Melting Point Approximately 145-160°C
    Density Approx. 1.03 g/cm³
    Cas Number 300-92-5
    Stability Stable under normal conditions
    Main Use Thickening, gelling, and anti-caking agent
    Hazard Classification Non-hazardous (under typical use)
    Storage Conditions Keep container tightly closed, store in a dry, cool place

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

    Packing & Storage
    Packing Hydroxyaluminum Distearate is packaged in 25 kg net weight, double-layered kraft paper bags with polyethylene liners for moisture protection.
    Shipping Hydroxyaluminum Distearate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It is typically transported as a non-hazardous material but must comply with local regulations. Store and ship in a cool, dry, well-ventilated area. Proper labeling and documentation are required to ensure safe and compliant delivery.
    Storage Hydroxyaluminum Distearate should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from moisture, heat sources, and incompatible materials such as strong acids and bases. Keep it protected from direct sunlight and avoid creating dust. Label containers clearly, and ensure storage areas are equipped for spill containment and proper fire safety protocols.
    Application of Hydroxyaluminum Distearate

    Applications of Hydroxyaluminum Distearate in Industrial Manufacturing

    Hydroxyaluminum distearate, manufactured in our advanced facility under controlled conditions, is widely recognized for its functional role in specific sectors requiring precise physical modification, rheological enhancement, or anti-caking support. The following industrial application sections present clear, differentiated uses based on established manufacturing practices and compliance expectations.

    1. Lubricating Grease Production

    Industrial grease manufacturers incorporate hydroxyaluminum distearate as a gelling agent to achieve high drop-point and water-resistant lubricants, especially those intended for demanding heavy-load equipment and extreme weather performance. This additive supports the thickening of mineral oil bases, improves mechanical stability, and ensures low oil bleed across temperature fluctuations, addressing the performance parameters set by major machinery OEMs and transportation industries.

    Industry compliance standards

    • DIN 51825 (German lubricating greases standard for motor vehicles and machinery)
    • NLGI GC-LB (U.S. National Lubricating Grease Institute certification)
    • ASTM D4950 (Classification and performance requirements for automotive service greases)
    • ISO 6743-9:2021 (Lubricants, industrial oils, and related products - Classification)

    Typical usage ratio

    • 3–8% by weight of base oil, adjusted based on grease consistency grade; higher end ratios for #3 or stiffer greases required in high-temperature or water-exposed environments.

    Downstream process integration

    • Dispersing the additive into hot mineral or synthetic base oils during the initial fusion stage, followed by high-shear milling to achieve the required gel matrix before finishing with oil blending and cooling.

    Final product types

    • Automotive wheel bearing greases
    • Industrial sealed-for-life bearing lubricants
    • Heavy-duty construction and mining equipment greases
    • Water-resistant railway and marine lubricants

    2. PVC Compound Anti-Caking Agent

    Producers of rigid and flexible PVC compounds select hydroxyaluminum distearate for its anti-caking and flow improvement properties, which enable smooth handling in storage, pneumatic conveying, and automated dosing processes. Its hydrophobic characteristics prevent agglomeration of powder blends, ensuring batch uniformity and minimizing downtime due to hopper blockages during plastic processing.

    Industry compliance standards

    • EU Regulation (EC) No 1907/2006 (REACH registration as an additive in polymer processing)
    • ISO 9001:2015 (Quality management systems in plastics manufacturing)
    • ASTM D1784 (Standard specification for rigid PVC compounds)
    • RoHS Directive 2011/65/EU (Restriction of hazardous substances in electrical PVC applications)

    Typical usage ratio

    • 0.5–1.2% by weight in polymer blends; fine-tuned according to compounding line speed, filler content, and humidity levels.

    Downstream process integration

    • Dry blending directly with resin powders and other additives prior to melt mixing, or introduced in pre-blend silos for continuous compounding lines to ensure even dispersion throughout the batch.

    Final product types

    • Calendered PVC sheeting
    • Extruded electrical conduit
    • Injection-molded plumbing fittings
    • PVC cable insulation granules

    3. Powder Coating Flow Modifier

    Manufacturers of thermosetting powder coatings, particularly polyester and epoxy-based systems, utilize hydroxyaluminum distearate as a flow and anti-caking agent to guarantee uniform powder morphology, improve storage properties, and prevent clumping during transport. Its presence increases coating smoothness, reduces orange-peel effects, and contributes to accurate dosing by maintaining free-flowing powder characteristics.

    Industry compliance standards

    • ISO 8130-2 (Flow characteristics of powder coatings)
    • EN 13438 (Performance requirements for powder coatings on galvanized steel)
    • Qualicoat Specifications (Architectural applications of aluminum powder coating)
    • GMP for coatings (where required for indirect food contact)

    Typical usage ratio

    • 0.2–0.7% by weight in powder formulations, with finer adjustment for high-gloss or ultrafine coating grades.

    Downstream process integration

    • Dry-mixed with base resin, curing agents, and pigments prior to extrusion/grinding, often using high-shear mixing for complete distribution before sieving and packaging.

    Final product types

    • Automotive metallic powder coatings
    • Domestic appliance enamel powder
    • Industrial protective coatings for metal frames
    • Exterior powder-coated aluminum profiles for architecture

    4. Cosmetic Pressed Powder Binder

    Leading manufacturers of color cosmetics deploy hydroxyaluminum distearate as a binder in pressed powder compacts, enhancing product cohesion and texture. This additive improves compressibility of pigments, forms a uniform matrix structure, and delivers a soft touch during application. Its hydrophobic nature assists in oil absorption and moisture resistance, critical to achieving long shelf life and stable performance in compact lines.

    Industry compliance standards

    • Regulation (EC) No 1223/2009 (EU Cosmetic Products Regulation)
    • U.S. FDA 21 CFR 720-740 (Cosmetic labeling and ingredient safety)
    • ISO 22716 (Good Manufacturing Practices for cosmetics)
    • IFRA Standards (Fragrance safety in color cosmetics)

    Typical usage ratio

    • 2–5% by weight, adjusted according to binder strength required for different powder hardness and consistency targets.

    Downstream process integration

    • Blended with pigment, talc, and other excipients prior to milling and then compressed under controlled force into pans or compacts using automated pressing machinery.

    Final product types

    • Pressed face powder compacts
    • Eye shadow and blush cakes
    • Dual-finish foundation powders
    • Bronzer and highlighter pressed formulas

    5. Cable Compound Rheology Modifier

    Hydroxyaluminum distearate is implemented by cable compound manufacturers to achieve specific plasticity and flow characteristics in electrical jacketing and bedding compounds. Its presence aids in maintaining the viscoelastic behavior of filled PVC or polyolefin blends during extrusion, resulting in consistent coverage and mechanical protection properties demanded in power and telecommunications cable production.

    Industry compliance standards

    • IEC 60502-1 (Power cables with extruded insulation and their accessories)
    • UL 1581 (Electrical wires, cables, and flexible cords testing reference)
    • RoHS Directive (Restriction of hazardous substances in electrical equipment)
    • EN 50363 (Insulating, sheathing, and bedding compounds for power cables)

    Typical usage ratio

    • 1.0–3.0% by weight, adjusted per filler content, dielectric requirements, and extrusion feed zone temperature profile.

    Downstream process integration

    • Introduced during dry blend formulation prior to compounding and melt extrusion, ensuring effective distribution within the polymer matrix for homogeneous cable bedding and jacketing results.

    Final product types

    • Low-smoke zero-halogen (LSZH) cable sheathing
    • PVC-insulated communication cables
    • Power cable bedding materials
    • Flexible control and instrumentation cables

    6. Anti-Settling Agent in Industrial Paints and Inks

    Paint and ink formulators use hydroxyaluminum distearate to prevent pigment settling and improve the stability of high-solid content industrial coatings and printing inks. Its thixotropic action supports viscosity control, preventing separation during storage or application, and allows for uniform pigment distribution throughout the entire batch, which is crucial for consistent color and coverage performance on automated paint lines and high-speed printers.

    Industry compliance standards

    • ISO 12944-5 (Protective paint systems for steel structures)
    • REACH Regulation (EC) No 1907/2006 (Safe use in chemical mixtures)
    • ASTM D4305 (Standard for thixotropy in paints and varnishes)
    • Directive 2004/42/EC (VOC content in coatings and paints for EU markets)

    Typical usage ratio

    • 0.7–1.5% by weight, with the exact dosage set according to pigment load, binder composition, and required storage stability interval.

    Downstream process integration

    • Homogenized with binders and pigments during the millbase preparation step, and maintained throughout paint letdown and finishing processes for full thixotropic effect in the final formulation.

    Final product types

    • Heavy-duty anticorrosion primers
    • Marine and container coatings
    • Industrial maintenance paints
    • High-solids flexographic and gravure printing inks
    Free Quote

    Competitive Hydroxyaluminum Distearate prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Hydroxyaluminum Distearate: Reliable Performance for Practical Applications

    Real-World Uses and Hands-On Experience

    Making Hydroxyaluminum Distearate in a chemical manufacturing plant is a process that calls for control at every step. We see the results first-hand on the line: a fine, white to off-white powder, formed through the precise reaction of stearic acid and aluminum compounds under tightly regulated conditions. In our production environment, we pay close attention not just to yield, but to the characteristics that matter on the user’s end—flow, particle size, and stability. This care pays off in the applications our customers rely on: from release agents right through to thixotropic additives in paints and greases.

    Many industries come to hydroxyaluminum distearate to solve sticky problems—literally. For years, we have worked alongside rubber processors looking to keep their compounding lines moving. Additives in the wrong grade cause build-up or uneven blending, but fine-tuned hydroxyaluminum distearate helps manage stickiness, cuts material losses, and reduces cleaning frequency. This wasn’t a guess or marketing claim, but direct feedback from plant operators watching their job get easier. In paint and coatings, the quest for the right thixotropic profile can hold up entire production runs. Consistent hydroxyaluminum distearate grades let manufacturers hit their rheology targets batch after batch, solving real problems behind the scenes.

    Understanding the Model and Specifications

    Our hydroxyaluminum distearate model—branded in-house—comes from years of development aimed at stability and versatility. There are different grades on the market, but the performance can shift dramatically based on purity, particle size, and method of synthesis. We follow a strict protocol for selecting raw materials; even minor contaminants make a noticeable difference downstream. The powder’s bulk density is adjusted in-process for easy handling in automated or manual systems. After production, every batch goes through hands-on testing in our on-site labs, not just for compliance with standards, but for the qualities customers care about: flow in pneumatic hoppers, dispersibility in base grease, and effect on color and texture.

    Not every application asks for the same particle size or stearate content, so we tune our process based on direct conversations with users. Someone making lubricating greases in a high-speed mixer might want smaller particles to avoid caking and ensure dispersion. In mold-release work, a slight adjustment in composition can help reduce residue without undermining the product’s performance. Clean, consistent batches reduce troubleshooting calls and let our customers keep their focus on output.

    Differences From Related Products: Why Details Matter

    Hydroxyaluminum distearate isn’t just another aluminum soap. In the lab, the subtle differences between hydroxyaluminum distearate and other stearates jump out. For example, aluminum distearate brings hydrophobicity, but hydroxyaluminum distearate introduces a balance between water resistance and compatibility with polar solvents. This tweak changes everything for a formulator looking to stabilize water-in-oil emulsions or needing finer texture control in cosmetics. The presence of hydroxyl groups alters rheology, sometimes delivering the right sag control in anti-corrosive coatings where ordinary aluminum distearate falls short.

    We get told that magnesium stearate or calcium stearate can substitute in a pinch. In our experience, these swaps rarely work out for demanding applications. Magnesium stearate, for its part, is softer and less effective at thickening greases. Where a lithium soap offers certain advantages, it’s a completely different beast—price, supply, and compatibility diverge fast, and in many settings, the switch creates more trouble than it solves. The differences between these compounds show up in real-world results: pigment settling, incompatibility, or missed performance specs. Reliability isn’t just about what’s in the bag, but what happens in the downstream process.

    Tackling Industry Problems Head-On

    From our vantage point inside the manufacturing plant, quality control starts with the raw stearic acid and aluminum sources. If the quality of the starting acids shifts from shipment to shipment, so does the final product. We’ve dealt with the headaches this causes—unexpected changes in melting point or a tendency for the powder to agglomerate. These outcomes don’t just frustrate our own operators; they set off a chain reaction of problems at the customer’s end, from feeding issues to variation in rheology. Our in-house team inspects every batch and rejects off-spec material long before anything hits shipping docks.

    Supply chain issues sometimes force end-users to switch suppliers or adjust their blends. During global disruptions, commodity prices swing, and raw material availability drops off. Our approach has been to keep good relationships with vetted suppliers. We don’t just shop for the lowest price—we look for consistency, and that means less downtime for everyone in the value chain. When shortages threaten delivery, we communicate early with customers, allowing for planning. Over the past decade, this approach minimized production stoppages, preserved quality, and kept our reputation intact inside the community of manufacturers who depend on our materials.

    Supporting Safe and Efficient Use

    We’ve seen what happens when hydroxyaluminum distearate arrives at the point of use without clear guidance. Clumping or improper integration into a mixer leads to dusting, and dust means exposure concerns and equipment maintenance. Our technical team often gets called out to help—demonstrating blending steps, adjusting feed rates, and troubleshooting on site. It’s not theory, but real practice—sometimes as simple as changing the way a hopper introduces powder, other times as involved as altering the binder formula in pressed powders.

    Long experience tells us that the manufacturer’s role doesn’t end at the loading dock. We’ve worked closely with partners to optimize process steps, cut waste, and improve batch reproducibility through operator training. Problems show up in places that datasheets rarely predict: mixing order, feed rates, even ambient humidity can impact the result. Field calls, plant visits, and follow-ups on performance bring a feedback loop that drives both customer satisfaction and further product refinement. Lessons learned here feed directly back into our process adjustments or into updated handling documentation for the next user.

    Contribution to Product Performance

    Hydroxyaluminum distearate plays its part in grease manufacturing—boosting mechanical stability and dropping oil separation rates in storage. The result? Longer shelf life and fewer customer complaints about product breakdown. In plastics, manufacturers see better release from molds, which means fewer rejects and more consistent surface finish. In architectural coatings, our hydroxyaluminum distearate helps meet changing regulatory standards for volatile organic compounds by enabling the use of new solvents and binders, which older additives would not tolerate.

    We see the trend toward new applications—biodegradable films, low-smoke wire insulation, or specialty adhesives. Customers push for products that pass tough environmental standards without sacrificing processing speed. Our R&D teams don’t just try to match a specification but run actual trials in full-batch production environments. Sample results that work at lab scale sometimes fall short on the plant floor; by working through these issues together, we build relationships rooted in shared results, not just numbers on a page.

    Quality Through Every Step

    Our facility runs hydroxyaluminum distearate through a series of filtration, drying, and grinding stages. Each stage introduces its own set of controls, both automated and manual—seasoned technicians walking the lines, double-checking readings, and pulling samples. This hands-on oversight is the backbone of the operation. Product that doesn’t measure up gets reprocessed or scrapped. It’s not just a cost-center item; it’s how we prevent downstream failures and customer complaints. Batches that meet the mark move on to final blending, packaging, and shipment, closely monitored for contamination or environmental exposure.

    We package in moisture-resistant bags under controlled conditions to avoid lumps and caking—a real concern in humid climates. Our customers tell us that downtime due to bridging or flow issues in feeders eats into their throughput and bottom line. By keeping the powder free-flowing and easy to handle at point of use, we cut troubleshooting time and improve output consistency. Batch traceability and secure documentation allow any issues to be traced and corrected, forward or backward in the process chain.

    Continuous Improvement and Industry Collaboration

    Feedback from industry partners feeds ongoing product refinement. A few years back, an automotive grease company flagged inconsistent thickening performance. After a joint analysis, we noticed minor impurity shifts related to a stearic acid supplier. Small as the difference seemed on paper, the impact played out in end-use testing. Tweaking supplier selection brought product performance back in line. We value this kind of back-and-forth. It builds mutual trust and turns occasional bumps on the road into opportunities to make the product better for everyone.

    Collaboration with universities and research labs keeps us sharp. Their work on advanced rheology additives and sustainable process chemistry helps guide our R&D priorities. Regulatory changes always loom large—our teams stay connected with trade groups to ensure that our product meets evolving requirements. Customers count on us for technical support and honest assessments, not just a sales pitch. Over time, this openness pays off in fewer misunderstandings, smoother plant integration, and stronger partnerships up and down the supply chain.

    Practical Problems and Practical Solutions

    For all the science behind hydroxyaluminum distearate, every manufacturing line presents its own unique challenges. One customer might struggle with product feed in a poorly-ventilated space—static or lumps can choke feeders. Another might run into mixing inconsistencies that show up as visual defects in the final part. The solution isn’t more marketing; it’s rolling up sleeves, running process trials, and accepting feedback on real-world performance. We remember specific cases—a batch shipped in winter taking on slight moisture during transit. The fix was not just better packaging, but quick shipping turnarounds matched to weather conditions, realigning planning with logistics teams.

    Technical improvements, like moving to semi-bulk packaging or pre-dispersed liquid forms, come from listening. Smoother integration into customers’ lines makes both sides more efficient. Our customers have asked for smaller or larger pack sizes, custom labeling, or assistance with dust collection, and those requests flow straight to the operations floor. The connection between plant and user is a dialogue, not a checklist.

    Looking Forward—Innovation and Responsibility

    Looking ahead, we see fresh demand for thixotropic agents that fit with more sustainable and safer product lines. Hydroxyaluminum distearate fits well into this direction—delivering performance with relatively low health hazards and proven biodegradability. Efforts continue in our labs to streamline the synthesis, reduce waste, and lower the environmental impact of both production and use. Real-life constraints—cost pressures, supply chain delays, tightening health standards—drive this work, shaping how we develop and deliver our products year after year.

    The push toward digitalization in manufacturing gives us new tools for managing quality and forecasting demand. Automated monitoring and data tracking help prevent when trouble arises. Patterns in historical batch data, when paired with feedback from customers, guide our preventive maintenance, adjustments in raw material sources, and capacity planning. The backbone of these improvements is the real experience of plant teams and field service staff who see the details up close.

    The Value of Experience in Meeting Customer Needs

    For us, hydroxyaluminum distearate is more than a line on the catalog. It represents close teamwork, adjustment, and respect for the craft of manufacturing. We draw on both technical knowledge and first-hand plant experience to resolve the issues that matter to our customers. Learning from troubleshooting efforts makes us better partners for anyone needing reliable chemistry for industrial processes. Our focus stays on quality, transparency, and support for real-world challenges—not abstract promises. These standards, drawn from years in chemical production, anchor everything we do, from procurement to delivery and beyond.