HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g)

    • Product Name: HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g)
    • Chemical Name (IUPAC): Silicon dioxide
    • CAS No.: 112945-52-5
    • Chemical Formula: SiO2
    • Form/Physical State: White Powder
    • Factroy Site: West Ujimqin Banner, Xilingol League, Inner Mongolia, China
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Bouling Desiccants
    • CONTACT NOW
    Specifications

    HS Code

    587320

    Product Name HIFULL HL-150W Hydrophilic Fumed Silica
    Bet Surface Area 140 m²/g
    Appearance white powder
    Ph Value 3.8–4.2 (4% in water)
    Primary Particle Size 7–16 nm
    Loss On Drying <1.5% (2 hours at 105°C)
    Sio2 Content ≥99.8%
    Bulk Density 40–60 g/L
    Surface Chemistry hydrophilic
    Chemical Formula SiO2
    Moisture Content <1.5%
    Applications thickening, thixotropy, anti-caking
    Refractive Index 1.46
    Cas Number 112945-52-5
    Manufacturer HIFULL

    As an accredited HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) contains 10kg, sealed in a durable kraft paper bag.
    Container Loading (20′ FCL) 20′ FCL can load about 2,250 kg (90 bags × 25 kg) of HIFULL HL-150W Hydrophilic Fumed Silica (BET=140 ㎡/g).
    Shipping HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) is shipped in tightly sealed, moisture-proof, multi-layer kraft paper bags or fiber drums, typically weighing 10kg or 20kg each. The product must be handled with care to avoid damage or contamination and stored in a cool, dry place during transit.
    Storage HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) should be stored in tightly sealed containers in a cool, dry, and well-ventilated area. Avoid exposure to moisture, acids, and strong oxidizers. Prevent dust formation and keep away from sources of ignition. Store away from incompatible materials to maintain product quality and ensure safety during handling and transportation.
    Shelf Life Shelf life of HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) is typically 2 years in unopened, dry conditions.
    Application of HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g)

    Applications of HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) in Industrial Manufacturing

    HIFULL HL-150W hydrophilic fumed silica achieves reliable performance in multiple industrial sectors where micron-scale thickening, anti-settling, and rheology control play critical roles. As an original manufacturer, we supply this grade for demanding applications where precise surface area, purity, and particle characteristics dictate production consistency.

    1. Coatings and Industrial Paints

    In high-performance coatings, HL-150W functions as an effective rheology modifier, anti-sagging agent, and scratch resistance enhancer. Manufacturers incorporate it into water-based and solvent-based paint formulations where viscosity stabilization across broad shear rates is essential for high film quality and storage stability. HL-150W disperses readily under shear in bead mills or high-speed mixers, establishing a three-dimensional network that controls flow and finish. This property supports production of automotive OEM/coating lines, industrial maintenance coatings, and architectural paints subject to weathering and appearance criteria.

    Industry compliance standards

    • ISO 4628 (Paints and varnishes – Evaluation of degradation of coatings);
    • ASTM D562 (Consistency of Paints);
    • EN 13300 (Water-based coating materials);
    • EU REACH Regulation (EC) No 1907/2006 for raw material registration.

    Typical usage ratio

    • 0.2–2.0 wt% relative to total formulation, with adjustments based on pigment volume concentration and target viscosity window.

    Downstream process integration

    • Added after pigment dispersion, during let-down stage in high-shear mixers or sand mills, ensuring no dry agglomeration and uniform distribution before adjustment/packing.

    Final product types

    • Automotive primers and topcoats;
    • Industrial machinery coatings;
    • Architectural wall paints;
    • Protective marine coatings.

    2. Silicone Rubber Compounds

    HL-150W supports mechanical reinforcement, thixotropy, and transparency in silicone rubber compounding. Leading producers of addition-cure and condensation-cure formulations rely on its well-defined BET surface area to achieve consistent tensile strength and stretchability without sacrifice in processability. HL-150W disperses in base polymers using twin-screw extrusion or internal mixing, balancing green strength and ease of demolding in extrusion profiles, molding compounds, and self-leveling sealants.

    Industry compliance standards

    • ISO 9001 (Quality Management Systems for rubber compounding);
    • FDA 21 CFR 177.2600 (Rubber articles for repeated food contact, for food-grade rubbers);
    • GB/T 2411-2008 (Determination for mechanical property of silicone rubber);
    • IEC 60695 (Safety of silicone in electrical components where applicable).

    Typical usage ratio

    • 5.0–25.0 wt% in base silicone polymer, selected according to target hardness (Shore A), tear resistance, and transparency; higher loadings require robust compounding equipment to avoid over-thickening.

    Downstream process integration

    • Direct addition to base materials at the pre-mixing stage or into masterbatch concentrates, with refinement via extrusion or roll milling for uniform particle wetting prior to cross-linker and pigment incorporation.

    Final product types

    • Silicone elastomer sealing gaskets;
    • Medical-grade tubing;
    • Cable insulation sleeves;
    • Self-leveling silicone construction sealants.

    3. Adhesives and Sealants

    HL-150W meets critical demands for anti-sag flow control, stability, and improved adhesion in reactive resins, waterborne, and polyurethane adhesive systems. As a thixotropic agent, it prevents slump throughout vertical and overhead applications while maintaining workability and fine gap filling. Producers blend HL-150W directly into finished resin matrices through high-speed dispersers or planetary mixers, ensuring it modulates open time and reduces exudation in single- and two-component formulations.

    Industry compliance standards

    • ISO 11600 (Classification and requirements for building sealants);
    • ASTM C920 (Elastomeric Joint Sealants);
    • GB 16776 (Structural adhesives for building);
    • DIN EN ISO 9001 (Production control for industrial adhesives manufacturing).

    Typical usage ratio

    • 0.5–4.0 wt%, adjusted for viscosity and vertical hold requirements; lower for low-viscosity, high-flow adhesive grades, higher for non-sag sealants and construction mastics.

    Downstream process integration

    • Incorporated post-resin melting/mixing, often under vacuum to minimize entrapped air, prior to packaging or catalyst recharge, allowing for direct pump delivery in automated filling lines.

    Final product types

    • PU construction adhesives;
    • Acrylic assembly adhesives;
    • Weatherproofing joint sealants;
    • Glass glazing compounds.

    4. Industrial Printing Inks

    In ink manufacturing, HL-150W controls printability, pigment suspension, and dot sharpness in screen, gravure, and offset inks. Its hydrophilic properties allow stable dispersions in water-based and solvent-based carriers, reducing pigment re-agglomeration, bleed, or sedimentation during storage and application. Manufacturers pre-mix HL-150W under controlled shear with binders and solvents before final pigment milling, ensuring optimum anti-settling and transfer qualities for packaging and specialty print products.

    Industry compliance standards

    • EuPIA GMP (Good Manufacturing Practice for printing inks);
    • EN 71-3 (Migration of certain elements for toy inks);
    • ISO 2846 / ISO 12647 (Color standardization and ink process control);
    • Swiss Ordinance RS 817.023.21 (Materials and articles in contact with food for food packaging inks).

    Typical usage ratio

    • 0.3–1.5 wt% calculated on ink solids; modified for pigment type, binder system, and required rheological behavior for flexographic, gravure, or screen printing conditions.

    Downstream process integration

    • Dispersed with resin and solvents prior to pigment addition, subjected to bead-milling then fine-filtration before final tone adjustment and viscosity grading.

    Final product types

    • Flexible packaging inks;
    • Security printing media;
    • Decorative and publication inks;
    • Food contact compliant printing films.

    5. Pharmaceutical Gel and Ointment Bases

    HL-150W fumed silica finds application as an efficient thickener and stabilizer in pharmaceutical gel, cream, and paste formulations. Leading formulators leverage its high purity and surface activity to suspend active pharmaceutical ingredients and regulate texture without interfering with dermal delivery or bioavailability. HL-150W enters compounding processes under GMP-controlled environments, supporting batch-to-batch consistency in viscosity, clarity, and flow for both topical and oral formulations.

    Industry compliance standards

    • United States Pharmacopeia–National Formulary (USP-NF, monograph for colloidal silicon dioxide);
    • European Pharmacopoeia (Ph. Eur. 0534, Silica colloidal anhydrous);
    • Good Manufacturing Practice (GMP, ICH Q7 / 21 CFR Part 211);
    • ISO 9001 for pharmaceutical excipients manufacturing.

    Typical usage ratio

    • 1.0–4.0 wt% in gel format, minimizing crystallization and promoting homogeneity in thermolabile APIs; actual proportion established based on shear modulus and target spreadability profile.

    Downstream process integration

    • Introduced after API dissolution, blended at room or moderate temperatures using vacuum mixers or ointment mills, followed by sterile filtration and aseptic filling for regulated markets.

    Final product types

    • Corticosteroid topical gels;
    • Analgesic transdermal ointments;
    • Oral pastes (mucositis treatments);
    • Medical gel bases for prescription compounding.

    6. Unsaturated Polyester and Epoxy Composite Resins

    In polyester and epoxy resin systems, HL-150W acts as a reinforcing and control agent for pastes, gel coats, and filled composites. Manufacturers employ it to regulate sag, shrinkage, and pigment orientation in closed-mold and hand layup processes. The hydrophilic surface area of the silica promotes interfacial resin wetting and fiber packing, contributing to elevated mechanical and weathering durability in finished composites used for automotive, construction, and marine industries.

    Industry compliance standards

    • ISO 9001 (Production quality management for composites);
    • ASTM C581 (Chemical resistance of thermoset resins);
    • EN 13523 (Coil coated metals finished with composite gel coats);
    • REACH and ROHS material safety compliance in EU region.

    Typical usage ratio

    • 0.5–4.0 wt% in resin matrix, with higher ratios for thixotropic paste consistency or vertical gel coats; must calibrate based on resin viscosity and fiber content to avoid air entrapment.

    Downstream process integration

    • Incorporated pre- or post-pigment, depending on color uniformity needs; shear-mixed prior to glass fiber or inorganic filler addition for smooth layup and minimized resin run-off.

    Final product types

    • Gel coat marine panels;
    • Architectural composite profiles;
    • Automobile bumper fascias;
    • Wind turbine blade skins.

    Free Quote

    Competitive HIFULL HL-150W Hydrophilic Fumed Silica (BET=140㎡/g) prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615651039172

    Email: sales9@bouling-chem.com

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    Certification & Compliance
    More Introduction

    HIFULL HL-150W Hydrophilic Fumed Silica: Practical Experience from a Chemical Manufacturer

    An Up-Close Look at HL-150W: Designed and Produced in Our Facility

    From the earliest stages of production, actual handling of hydrophilic fumed silica presents both a technical challenge and a source of pride. The HL-150W model comes out of our reactors with a BET surface area of 140 square meters per gram—a critical threshold. Some users chase higher numbers thinking more is better, but that’s not always the case. Not every process line reacts kindly to ultra-high surface areas, and our own wok inside the plant reminds us that balance means more than just hitting technical peaks.

    Since starting in this chemical business, you realize that the “feel” of the product in application defines success. When HL-150W hits the downstream process, you know if it is on target—the mix, viscosity, and stabilizing properties tell you right away. Working with fumed silica for coatings, adhesives, sealants, and even food packaging, the lessons get baked in: if you overshoot the particle size or let the aggregates agglomerate, the downstream customer feels it at their pumps and mixers, not only on the balance sheet.

    Understanding True Hydrophilicity in Application

    Hydrophilic means more than a simple label. Every batch passing through our plant faces humid air, process control issues, and batch-to-batch variation. Our team spends real time keeping the surface treatment minimal, so HL-150W maintains its light, fluffy structure and superior dispersibility. That behavior in water-based systems saves our customers headaches—especially those looking to reduce fish eyes, clumping, or wetting delays in their formulations.

    Through years of field feedback, builders and coatings makers tell us they need a silica that dissolves frustration, not just dries out moisture. HL-150W bridges that gap: it supports rheology control in latex paints without dragging down gloss or interfering with pigment distribution. The manufacturing crew sees how subtle changes in reactor conditions cause major day-to-day differences. Everyone in our shop watches for these because we’ve seen—out on the floor with partners—how failure here cripples large-scale production runs.

    Inside the Plant: Our Process, Our Quality, Your Results

    Many talk about consistency, few deliver it. Walking along our reactor lines, the operators know not only how HL-150W leaves the filter, but how it responds to shear, temperature changes, and transfer pressures. Our analytics lab tests every batch for surface area and purity because trace metal contamination, even below visible detection, can ruin a sensitive formulation.

    Whether adjusting feed gas ratios or addressing furnace conditions, our staff learns that a one-degree change or a minor airflow tweak can swing batch integrity—and ultimately the customer’s outcome. Fumed silica isn’t just another additive; it becomes a backbone for flow and structure in silicone sealants, resins, and even toner production. HL-150W’s balance between dispersibility and stability reflects the sweat in our process lines, not just the target figures on the test report.

    The Way HL-150W Makes Its Mark in the Market

    Outside the plant walls, HL-150W takes on its real identity: a material that reduces effort for processors. In adhesives, this product controls flow without creating unwanted thixotropy: that subtle tipping point where spreadability disappears, and workability drops. Labs in different regions often share stories of unpredictable results using lesser grades; they report blisters, cloudy suspensions, or sedimentation. With HL-150W, time and again, buyers tell us that the risk of those production issues shrinks and their repeatability rises.

    Not all fumed silica grades solve thickening in polar solvent systems—some hold back your system, refusing to disperse, or causing dusting problems during high-speed mixing. Packing halls and mixing plants, we’ve walked these lines, adjusting not only our micron size distribution but the handling properties, to support dust containment and easy transfer.

    We learned the hard way: customers don’t want a grade that only works in water. HL-150W helps in a wide range of resinous and emulsion systems, smoothing the rough edges of fast-curing adhesives and helping pigment pastes stay stable in all weather conditions. That kind of field result doesn’t come down to theory or claim. It requires a manufacturer staying on top of raw input purity, reactor cleanliness, and transport handling.

    Comparing HL-150W to Other Fumed Silica Grades

    Run any batch of hydrophobic and hydrophilic fumed silica side by side, and the distinctions stand out, especially once you take them to scale. Hydrophobic treats the surface with silane or other agents, making it work for specialty systems, but at the expense of dispersion ease and universality. HL-150W, left untreated, dives straight into aqueous and polar systems, resisting clumping, and builds viscosity efficiently—a direct advantage in latex paints, caulks, and emulsions.

    For users juggling several silica grades, the real-world question always emerges: how do you get value, not just numbers? Lower BET grades may offer greater process speed, but sacrifice the very structure builders seek. Too much surface area, and your dispersing time skyrockets. HL-150W lands in the middle, the “workhorse” level where both storage and usage don’t require costly modifications. We have seen, in feedback from both industrial paint operators and adhesives compounders, that HL-150W’s balance keeps downtime low and eliminates the need for constant reformulation.

    Real Problems, Tangible Results: Tackling Flow, Settling, and Stability Challenges

    In industrial paints, one of the real challenges comes in keeping pigments and binders suspended over long-term storage and cycling transportation temperatures. HL-150W performs time and again by preventing pigment sedimentation and maintaining application consistency. Falling out of suspension leads to reject material, waste, and costly rework—problems we have helped cut down for years by fine-tuning not only the silica itself but the way it interacts with specific resin types.

    Sealant manufacturers often approach us with problems after running cheap imitations or over-engineered grades. Their product slumps, or the cure rate stalls. We walk the plant lines with them and see that HL-150W’s controlled particle structure solves the slump without driving up cost or reducing shelf life. Adhesives houses use HL-150W to fine-tune sag resistance, and in our own hands, we see the improvement right at the nozzle.

    For customers formulating pastes, HL-150W outperforms coarser grades by reducing the risk of filler separation and improving package stability, particularly under hot or humid storage. We also see fewer customer complaints about “gritty” texture or pump clogs, a direct effect of tightly controlled manufacturing tolerances and batch quality assurance.

    The Data Under the Microscope: Why 140㎡/g BET Matters

    BET surface area often confuses newcomers. Too low, and the loading levels creep up, sending costs through the roof just to get the desired effect. Push the surface area too high, and dustiness, mixing time, and difficulty in wetting all spike sharply. Our laboratory and production teams settled on 140㎡/g for HL-150W after years of comparative production trials, both on our own lines and side-by-side with end users. Customers working across the board—from ink to rubber compounding—report this grade hits the sweet spot, offering dependable results across dozens of chemistries and shearing speeds.

    In the plant, we see first-hand the consequences of a one-size-fits-all approach. Customers swapping out HL-150W to chase cheaper filler alternatives come back after losing production time to poor dispersion, batch failure, or inconsistent storage stability. The field debate on “just enough” silica stretches out, but working alongside hands-on processors, we know that HL-150W gives the flexibility to tune viscosity where it’s needed, without overpowering the final system.

    HL-150W in the Workflow: Production, Packaging, and Use

    Producers of adhesives, paints, and silicones look for more than numbers on a data sheet. On our own mixing lines, experience taught us that material handling makes a world of difference. HL-150W comes out of packaging soft, easy to pour, and disperses rapidly during high-speed mixing. That edge means less airborne dust, smoother operation, and less clean-up—something both our plant crews and our industrial customers value far more than any itemized technical spec.

    Consistency in every bag and drum is not a marketing line; it’s the outcome of daily vigilance in the plant. We pursue uniformity from raw silane and oxygen inputs to filtration, drying, and vacuum packaging. Even small failures in particle size control or inadvertent moisture pickup during loading can cause major end use problems.

    Working as both producer and in-field troubleshooter, we rely on HL-150W’s reliability not just for our customers’ operations, but also for the downstream users’ safety and product performance. No truckload leaves our gate without lab signoff and physical sampling, because we know the cost of product failure runs much deeper than mere refunds—it unravels reputations built over decades.

    Tangible Support and Problem-Solving Beyond the Bag

    A product alone never solves a customer’s headache. Our staff—many of whom have run downstream lines themselves—listen to real challenges: batch separation after storage, poor flowability in extreme climates, or the nightmare of having to rework sticky, half-dried sealant. Each time, the answer comes not just from technical tweaks, but from understanding what happens at the mixing head, at storage, and during shipping.

    Sometimes, new users struggle with dust control or static during silo unloading; our experience helps them redesign transfer systems or change process timings. HL-150W’s flow properties—and the fact we never cut corners on moisture or purity—mean fewer costly stoppages in those lines. In bulk handling, that difference translates directly into uptime and predictability.

    Where the Product Meets People: Listening, Learning, and Adapting

    Fumed silica isn’t a “set and forget” commodity. Every year brings new trends in binder chemistry, environmental regulations, and labor pressure. Our production lines adapt HL-150W’s finishing stages in response to rising sustainability demands, moving to reduce residue, lower energy use, and ensure workplace safety. We field calls and site visits where customers need less dust—not just for process ease, but for the health of their operators.

    Innovation doesn’t come from the lab alone. Blending technician insights with plant floor realities sets the path forward. HL-150W keeps evolving in response to both regulation and real feedback: shifts in VOC rules for paints; needs for lower migration in food packaging adhesives; demands for improved handling by smaller, regional customers who lack big-company infrastructure.

    Through rolling feedback loops and open exchanges with plant managers, R&D specialists, and logistics teams, our product standards rise with real-world need, not just theoretical targets. As raw material supplies shift, energy grids change, and sustainability moves up corporate agendas, HL-150W stays adaptable in both production and downstream use.

    HL-150W’s Broader Impact Across Industries

    Customers in diverse fields—inks, rubbers, personal care—rely on our product all the way from idea to market. Cosmetic manufacturers prize HL-150W’s purity for sensitive emulsions, where even minor aggregation can ruin the tactile feel of a lotion or cream. Rubber compounding plants depend on dependable dispersion, where clumps cause visible product defects. Printing ink makers favor HL-150W’s fast dispersibility to slash mixing times and guarantee print consistency batch after batch.

    For years, agencies and regulatory bodies have raised standards on environmental and occupational exposure. We responded by optimizing our dust control, batch traceability, and packaging designs. End users now find HL-150W in cleaner, maintenance-friendly totes and drums—helping plants exceed local air quality standards and meet stricter workplace safety rules.

    We’ve seen that buyers don’t look only to the big headline uses. In specialty plastics, food-grade coatings, and other niche applications, HL-150W offers a combination of dispersibility and particle size that smaller-batch producers need for batch consistency and quality certification.

    What Sets Us Apart: Manufacturing for Practical Problem-Solving

    We never approach production as a game of maximizing technical numbers. Every tank filled and batch packaged means another set of workers expecting smooth performance. Operators in adhesives factories depend on HL-150W to keep critical equipment running without gumming up. Quality teams in coatings operations look for a silica that prevents surprises, whether in batch repeatability or final finish consistency.

    We build our whole system around the reality that production problems don’t start or stop in the lab; they take shape out on the shop floor, under sometimes harsh environmental conditions. Our engineers don’t just monitor sensors—they visit customer sites, run trials side-by-side with end users, and bring that experience back into the next round of process adjustments.

    When it comes to sustainability, responsible sourcing, and minimization of waste streams, we have adapted HL-150W's processes to exceed current regulatory expectations. We continuously pursue lower energy use, closed-loop packaging, and secondary recycling efforts—all proven not just by paperwork, but by independent audits and customer feedback.

    Looking Forward: Commitment to Practical Innovation and Customer Results

    Making hydrophilic fumed silica may rely on decades of chemical knowledge, but continuing to deliver real-world value requires constant attention and willingness to adapt. As a manufacturer, we see far beyond the moment the product leaves our gates; each batch of HL-150W represents a partnership with processors looking for reliability, minimal fuss, and measurable savings.

    With each new feedback cycle and regulatory shift, we invest in plant upgrades, safety standards, and collaborative process development. HL-150W reflects this ongoing dialog—evolving to meet not only the technical demands of each application but also the day-to-day pressures of production, shipping, and end-user satisfaction.

    Through careful management, trusted teams, and a commitment to both product consistency and environmental responsibility, we make sure that HL-150W remains a dependable solution for processors across industries. Success in making and using fumed silica always comes down to people, process, and a willingness to engage with tough challenges—qualities that turn a chemical product into a real, long-term solution.