HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g)

    • Product Name: HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/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

    622369

    Product Name HIFULL HL-200 Hydrophilic Fumed Silica
    Bet Surface Area 200 m²/g
    Appearance White, amorphous powder
    Primary Particle Size 7-16 nm
    Ph Value 3.6-4.5 (in 4% dispersion)
    Specific Gravity 2.2 g/cm³
    Loss On Drying <1.5% (at 105°C, 2h)
    Silanol Group Content High
    Bulk Density 40-60 g/l
    Sio2 Content >99.8%
    Ignition Loss <2.0% (at 1000°C)
    Refractive Index 1.46
    Oil Absorption 250-350 g/100g
    Cas Number 112945-52-5

    As an accredited HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing HIFULL HL-200 Hydrophilic Fumed Silica is packaged in 10 kg multi-layer kraft paper bags with inner polyethylene liner.
    Container Loading (20′ FCL) 20′ FCL loads approximately 80 bags (10 kg each) of HIFULL HL-200 Hydrophilic Fumed Silica, totaling 800 kg per container.
    Shipping HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g) is securely packaged in 10kg or 20kg multi-layer kraft paper bags with PE liners, ensuring product integrity during transit. Palletized for safe handling, shipments are dispatched via reliable freight partners, accommodating both sea and air transportation according to customer requirements.
    Storage Store HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g) in a tightly sealed container in a cool, dry, and well-ventilated area. Protect it from moisture, direct sunlight, heat, and sources of ignition. Avoid generating dust and contact with incompatible materials. Use appropriate personal protective equipment when handling, and follow all applicable safety guidelines for storage and handling of fine powders.
    Shelf Life HIFULL HL-200 Hydrophilic Fumed Silica has a shelf life of 24 months when stored in unopened, original packaging in dry conditions.
    Application of HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g)

    Applications of HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g) in Industrial Manufacturing

    As a direct producer of HL-200 Hydrophilic Fumed Silica, we enable consistent supply for demanding downstream sectors that require precise performance control, efficient process integration, and reliable compliance. Our material serves specialized functions in distinct industrial manufacturing streams. Here, we present primary application scenarios, each aligned with established industry practices and regulatory frameworks.

    1. Silicone Sealant Formulation

    Manufacturers in the silicone sealant industry adopt HL-200 as a reinforcement and thixotropic agent in one-part and two-part silicone systems. This grade’s high surface area allows formulators to tailor thixotropy and mechanical properties across sanitary, structural, and electrical-grade sealants by carefully adjusting dosage in RTV and HTV workflows. Selection is based on shear strength, sag resistance, and storage stability, with precise addition during the compounding stage immediately following base polymer blending.

    Industry compliance standards

    • GB/T 14683 (China National Standard for Silicone Structural Sealants)
    • ASTM C920 (Standard Specification for Elastomeric Joint Sealants)
    • ISO 11600 (Building Construction Sealants Standard)
    • REACH Regulation (EC) No 1907/2006 compliance for raw materials

    Typical usage ratio

    • 6–15 wt% depending on required thixotropy and mechanical reinforcement in silicone bases; lower range for flowable sealants, higher for non-sag or vertical applications

    Downstream process integration

    • Dispersed into siloxane base under high-shear mixing post-plasticizer dosing; compound undergoes vacuum kneading and then curing agent addition, ensuring uniform network formation

    Final product types

    • Acetoxy silicone sealants
    • Neutral cure silicone sealants
    • Weatherproofing sealants for curtain walls
    • High-performance industrial gasketing compounds

    2. Unsaturated Polyester Resin (UPR) Composites

    In unsaturated polyester resin production for composites, HL-200 serves as a rheology modifier and anti-settling agent, enabling consistent filler suspension and surface finish in glass fiber-reinforced components. During the masterbatch production, processors add fumed silica into the resin before high-velocity mixing with fillers and pigments to prevent sedimentation and control shrinkage. Adjustment depends on resin viscosity, target application thickness, and filler loads applied by downstream molders.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for resin plants
    • EN 13501-1 (Fire Classification of Construction Products)
    • RoHS Directive 2011/65/EU applicable to building and transport composites

    Typical usage ratio

    • 0.5–3 wt%, increasing with lower viscosity resins and heavy mineral filler use; ratio fine-tuned based on glass fiber integration and target shelf life

    Downstream process integration

    • Introduced to resin preblend using dispersing agents; followed by incorporation of glass fiber, fillers, and catalysts in reactor systems for masterbatch formation; continuous agitation prevents agglomeration prior to curing

    Final product types

    • Hand lay-up and spray-up GRP panels
    • Automotive and marine body parts
    • Sanitary ware bases
    • Building façade lamination sheets

    3. Paints and Industrial Coatings

    Paint and coatings manufacturers employ HL-200 to increase viscosity, control pigment suspension, and improve anti-settling performance in water-based and solvent-borne formulations. It is especially valued for imparting stable thixotropy in high-gloss and thick-film paints, as well as textured or anti-drip specialty applications. HL-200 is dispersed in the mill base gel phase ahead of letdown, requiring strong shearing to reach primary particle dispersion and full property development before addition of sensitive additives or solvents.

    Industry compliance standards

    • ISO 11507 (Accelerated Testing of Coatings for Weathering)
    • EU Directive 2004/42/EC on VOC content in paints and varnishes
    • GB 18582 (China Indoor Decoration Material Limitations on Harmful Substances)

    Typical usage ratio

    • 0.2–2 wt%, tailored by pigment volume concentration, required sag resistance, and gloss level; levels above 1% for thick-film or non-sag products

    Downstream process integration

    • Pre-mixed with water or solvent and dispersing agent; processed through high-speed dissolvers or sand mills; incorporated prior to final dilution stage to achieve targeted rheology

    Final product types

    • Architectural wall paints
    • Industrial anti-corrosion coatings
    • Epoxy floor systems
    • Textured or stucco effect emulsions

    4. Adhesives (Water-based, Solvent-based, Hotmelt Systems)

    HL-200 is incorporated into adhesive systems to adjust viscosity and enhance suspension of solid or reactive components, providing shear-thinning flow critical for application control in automotive, packaging, and construction-grade adhesives. In production, the silica is introduced during the bulk mixing phase before crosslinker or reactive monomer addition, ensuring homogenous texture and improved settling stability. Dosage and workflow are determined in line with adhesive type, application method, and final rheometry targets.

    Industry compliance standards

    • GB 18583 for indoor decorating adhesive VOCs (China)
    • ISO 4587 (Peel Strength Testing of Adhesive Joints)
    • FDA 21 CFR 175.105 (Adhesives for Food Packaging, if required)

    Typical usage ratio

    • 0.5–2.5 wt%, tuned by solid content, flow behavior, and application surface; higher for high-tack or vertical applied adhesives

    Downstream process integration

    • Added to adhesive base during initial bulk mixing or pre-dispersion stage; mixed under vigorous agitation prior to any final filtration or packaging

    Final product types

    • Packaging hotmelt adhesives
    • Construction flooring adhesives
    • Assembly-grade contact adhesives
    • Automotive trim and weatherstrip glues

    5. Personal Care Gels and Toothpastes

    Toothpaste and gel personal care producers use HL-200 for its effective thickening and anti-settling action, creating desirable textures and improving the suspension of abrasive or active agents. In the process sequence, fumed silica disperses into humectant and water blends under vacuum mixing before addition of abrasives or flavors. Amounts are chosen based on the desired viscosity, clarity, and brushing feel in the final oral care product.

    Industry compliance standards

    • ISO 22716:2007 (Cosmetic GMP)
    • FDA 21 CFR 73.1991 (Color Additive for Cosmetics, as indirect reference for safety)
    • GB 8372 (Chinese Toothpaste National Standard)

    Typical usage ratio

    • 3–8 wt%, depending on whether the system targets clear, opaque, or foaming gel bases and the abrasivity needed

    Downstream process integration

    • Pre-dispersed with polyols and deionized water using high-shear vacuum mixers before main ingredient addition; processed until agglomerate-free, then completed with surfactants and actives

    Final product types

    • Transparent tooth gels
    • Whitening toothpaste pastes
    • Children’s dental gels
    • Pharmaceutical oral care suspensions

    6. Powder Coatings

    Powder coating manufacturers require HL-200 for flow control and anti-caking in storage, transport, and application. Fine particle dispersion at low inclusion rates prevents block formation and aids leveling performance during electrostatic spraying. HL-200 is typically added during premix blending with resin and pigments and again post-extrusion as a flow modifier to maintain free-flow through application and to prevent agglomeration in warehouse environments.

    Industry compliance standards

    • ISO 8130-16 (Powder Coatings—Flow Characteristics Measurement)
    • EN 13438 (Performance Requirements for Powder Paints in Construction)
    • REACH registration for powder formulation ingredients

    Typical usage ratio

    • 0.1–0.5 wt%, with dosage adjusted upward for high-humidity storage or very fine powder grades

    Downstream process integration

    • Blended as a dry additive during premix; can be post-blended with finished powder using a conical mixer to ensure even coverage; monitored for particle size integrity post-application

    Final product types

    • Epoxy/polyester hybrid powder coatings
    • Architectural metal coatings
    • Anticorrosion coating powders
    • Household appliance metallic finishes

    7. Printing Inks

    Industrial ink producers introduce HL-200 for controlled thickening, pigment stabilization, and prevention of sedimentation in high-speed gravure, flexographic, and screen printing systems. Fumed silica is necessary for achieving sharp print definition where fine pigment control is crucial, and its addition at the pigment paste milling stage ensures even viscosity and flow in final let-down. Selection of dosage depends on the specific printing process, ink substrate compatibility, and evaporation rate.

    Industry compliance standards

    • ISO 2846-1 (Color and Transparency of Offset Ink)
    • EuPIA (European Printing Ink Association) GMP for food packaging inks
    • REACH requirements for printing ink chemicals

    Typical usage ratio

    • 0.2–1.5 wt% depending on ink base type, pigment load, and printing speed

    Downstream process integration

    • Incorporated into pigment concentrate during three-roll milling; adjusted for ink flow and anti-sag properties prior to final blending and filtration

    Final product types

    • Gravure and flexographic solvent-based inks
    • Aqueous packaging inks
    • UV-curable screen printing inks
    • Jettable digital printing fluids

    Free Quote

    Competitive HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/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.

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    Certification & Compliance
    More Introduction

    Introducing HIFULL HL-200 Hydrophilic Fumed Silica (BET=200㎡/g): Field-Tested Excellence You Can See

    Real Performance from the People Who Build It

    Every product that rolls out of our chemical plant carries more than a label—it’s the direct result of thousands of hours on the production floor, at the research bench, and troubleshooting with customers in real-world factories. HIFULL HL-200 Hydrophilic Fumed Silica, measured by a specific surface area of 200 square meters per gram, reflects that genuine hands-on experience. We constantly monitor critical characteristics—consistency in bulk density, easy dispersion, controlled particle size—because these factors shape practical process efficiency, not just theoretical claims. The fumed silica market is crowded, but not all materials carry the stamp of direct manufacturer oversight; this is where HL-200 earns its keep.

    What Sets HIFULL HL-200 Apart on the Shop Floor?

    Ask any coatings formulator or silicone rubber compounder, and they’ll admit: it only takes one batch contaminated with oversized agglomerates to throw an entire production schedule off. Our HL-200 avoids this scenario by using a flame hydrolysis process refined over years of direct on-site control. This produces a fine, fluffy white powder with consistent particle structure and virtually no coarse tails. The silica particles do not clump during long-term warehouse storage under the right conditions. That may sound like a minor detail, but anyone who’s ever fought a clogged pump or spent afternoons adjusting mixing equipment knows reliable powder flow saves both nerves and time.

    Between hydrophilic and hydrophobic grades, HL-200’s surface chemistry leans firmly toward attracting water. So, those formulating waterborne systems, or seeking thixotropic effects in polar media, often reach for HL-200 directly. More reactive hydroxyl groups on the surface make it an active partner in hydrogen bonding. We’ve found that in adhesives, unsaturated polyester resins, and even agricultural suspension concentrates, HL-200 improves viscosity control right off the bat. The fine-tuning happens on your end, but the foundation for success comes straight from our reactors.

    Practical Uses, Direct from the Manufacturer’s Floor

    Applications should never be a matter of guesswork. We press for clear feedback from customers across continents and industries—from automotive elastomers in high-traffic Chinese workshops to paint manufacturers grappling with sag in Italian summer heat. HL-200 has made its mark in a range of systems:

    This list arises from direct troubleshooting and batch scale-ups side by side with technical experts and operators worldwide. Over the years, we noticed that end-users care less about marketing catchphrases than about process yield, reduced rework, and powder safety in actual handling. So, HL-200 is produced with dust control and batch-to-batch stability in mind, not just lab numbers.

    Different from Commodity Grades and Competitor Products

    Plenty of fumed silica on the market claims to offer high surface area or premium purity. Sparing the boilerplate, here’s what we see on the ground: many competitors sacrifice consistency for volume production. We control flame reactor parameters on a per-shift basis, use feedstock traceability, and keep particles free of iron and other colored impurities to protect your color-sensitive applications. HL-200’s specific surface area—measured repeatedly using the BET method—sits steadily at 200 m²/g. This one metric influences rheological performance in your line, so we don’t fudge the numbers or blend low-grade cuts in quiet months to fluff our profits. Batches outside spec never leave our site.

    While the chemical structure of hydrophilic fumed silica looks similar on paper across suppliers, small shifts in the manufacturing approach can mean major headaches in real plants. Low-quality hydrophilic silica may have irregular particle shapes or more secondary agglomerates, which resist wet-out or produce grainy textures in high-shear processes like inkjet dispersions or personal care gels. HL-200 tackles these issues head-on by maintaining a strict flame hydrolysis route with clean siloxane surfaces.

    Why BET Surface Area Matters Beyond the Lab Report

    Anyone who’s worked in a compounding room has likely debated whether to step up to a higher or lower BET grade. Surface area sits at the heart of how fumed silica interacts with a resin or binder. HL-200, with its 200 m²/g, strikes a balance: it won’t spike viscosity to the point of unusability in high-solid systems, but still allows effective thickening and anti-sag. Some users try to cut corners with lower surface area grades and load more, but this often leads to poor optical clarity or poor feel in finished gels.

    Years on the production line have shown us that tweaks of even 20 or 30 m²/g in surface area can create wide swings in flow control, storage stability, and even health and safety compliance on mixer lines. The 200 m²/g target lets downstream customers switch between uses without rewriting formulas each season. That keeps your R&D costs under control and reduces wasted time that nobody gets paid for.

    Supporting Modern Production Demands

    Specialty chemicals no longer belong only to distant mega-factories. Smaller batch plants demand the same predictable properties as the world’s giants. HL-200 adapts to different processing speeds, shear rates, and wetting protocols, because our engineers work side-by-side with end users at the pilot scale. Whether you’re custom-compounding for a paint line one week or stabilizing an agrochemical batch the next, HL-200 takes the adjustment in stride with no surprise side effects.

    We see increased demand for products with lower volatile organic content. HL-200’s compatibility with water-based systems makes it a workhorse for zero-VOC paints and low-solvent sealants. In the construction space, professionals mixing on-site often want a thickener that maintains effectiveness even with less solvent—a request that fits HL-200 perfectly.

    Many manufacturers have asked for a powder that integrates rapidly—even in basic mixing setups. Finer, stable particle size means less time spent breaking down agglomerates and more time producing finished goods. Our feedback from adhesives customers in Southeast Asia confirms that HL-200’s dust control minimizes respiratory concerns and product loss, even in non-automated facilities. Fewer losses and less cleanup equals more revenue per ton delivered.

    Quality Built from Decades of Manufacturing Discipline

    We don’t shortcut quality for speed. Each HL-200 run passes through on-site analytics: X-ray fluorescence for impurity scanning, laser diffraction for particle size confirmation, and real-time moisture tracking. Our operators walk the floor monitoring reactor temperature profiles and airflow, not just trusting instruments alone. And the feedback loop does not end when powder bags leave our loading dock. Partners opening HL-200 in facilities from Russia to South America draw on our technical support whenever issues crop up—especially when new regulatory frameworks demand paperwork, traceability, or unexpected physical tests. This level of accountability builds trust batch after batch.

    The supply chain turbulence of recent years taught everyone in the chemical industry that local troubleshooting support means just as much as a reliable shipping schedule. We constantly refine HL-200’s production and logistics to navigate freight shifts, customs hurdles, and weather outages without gaps. Direct communication between our plant and your factory means that questions about trace metals, compliance with local standards, or performance in new formulations get immediate answers from source, not an anonymous distributor or trading desk.

    Tackling Real-World Problems with Genuine Solutions

    HL-200 is not just a lab invention. Customers use it every shift to fight pigment sedimentation, control slump in repair mortars, and extend the open time of caulk without sacrificing strength. For systems bridging extremes—one month in sub-zero climates, the next facing tropical humidity—users rely on HL-200’s robustness. In the event something deviates—a color drift, a viscosity unexpected—we track down raw input logs, shift operator records, and reactor cycle data for full transparency. End-users with demanding compliance or labeling requirements (think international coatings with eco-label targets) depend on traceable compositions. HL-200 consistently passes the scrutiny of both in-house and third-party inspectors.

    It’s not always about producing finer and finer powder. The value comes from designing a product that balances high surface area with ease of handling and integrating into complex supply streams. We saw years ago that focusing on purity and safety beats chasing exotic particle sizes just for new catalog entries. Mixing textures, curing times, and shelf stability matter deeply to our partners, and we align our process controls accordingly.

    Meeting Evolving Industry and Environmental Pressures

    The landscape is changing quickly—regulatory authorities keep raising the bar for worker safety, emissions, and chemical tracking. Our plant takes these trends seriously. HL-200 batches comply with major European and North American heavy metal and VOC guidelines, and we constantly audit raw materials for contaminants. We understand, for instance, that some segments—like food packaging adhesives—require special attention to trace leachable elements. HL-200 meets most international purity norms due to close internal controls and strong relationships with trusted silica precursors.

    Some formulators tell us they need more than just a technical data sheet—they need transparent specifications, full disclosure on origin of raw ingredients, and proof of process integrity. We open our books and records when asked, with certificates of analysis and audit trails that back up every shipment. HL-200 offers reassurance in a market where too many products pass through unseen hands before reaching the customer.

    Overcoming Application-Specific Challenges

    No two end-users want exactly the same properties. In the adhesives industry, too much thickening can interfere with flow through narrow nozzles, delaying assembly. HL-200’s found its way into new formulas that strike a sweet spot—good sag resistance without runaway viscosity. In unsaturated polyester resins, a little extra purity makes a difference when optical clarity or color consistency are critical for high-gloss surfaces. The HL-200 process design minimizes unwanted by-products, so downstream customers see fewer rejections and less color drift.

    In agricultural chemicals, we used HL-200’s high surface area to improve suspension stability without ballooning viscosity. Chemical plants in tropical climates have noted that HL-200 resists clumping and absorbs less ambient moisture under standard storage, reducing caking in large holding silos.

    We avoid one-size-fits-all thinking. Looking back at field tests, paint producers shared that HL-200 made it easier to stabilize titanium white pigments without additional dispersants, especially important as raw material costs climb. Contributors in rubber compounding consistently rate HL-200 as improving tear resistance and modulus without degrading heat resistance, leading to longer service intervals for technical rubber goods.

    Continuous Improvement, Real Accountability

    Our team applies every failure, every off-spec lot, and every customer complaint as data to build better runs in the future. HL-200’s reputation comes from listening directly to those who use it, rather than relying only on internal lab testing. We welcome audits from multi-national R&D teams and batch validation processes, because we know quality built in at source travels farthest downstream.

    Part of our manufacturing ethos is obsessing over repeatable process conditions. Reactor teams rotate regular audits on feedstock purity, moisture levels, and torch maintenance to ensure quality does not slip—not even during periods of high demand. We noticed years ago that the most significant gains in rheology control and powder safety came from stabilizing not only the chemistry, but also the mechanics and timing of every production run. HL-200 is the sum of these thousands of small quality decisions, carried out by those who actually turn valves, adjust temperatures, and pack finished bags.

    Not an Off-the-Shelf Offering—A Product Built Spec by Spec

    HL-200 doesn’t originate from a generic formulation or reseller’s spec sheet. Every batch starts from carefully sourced silicon tetrachloride and meticulously controlled flame reactors. We track real-time data and reference archived analytics. The bags you receive represent more than just “stock on hand”—they reflect a continuous feedback cycle run between our QC lab and your plant floor over years of collaboration. Where many traders seek only fast brands or private-label deliveries, we push for direct relationships, root-cause investigations, and on-site application advice.

    If a customer faces a change in local regulations, or a new viscosity target due to shifting customer application requirements, we don’t offer a standard “one-size” answer. Instead, HL-200 leverages technical knowledge and manufacturing flexibility to bridge the need. Some run silicas only to specification, never considering the wider consequences. As direct producers, we see the downstream impact—how a trace impurity affects a batch of high-purity adhesives, or how particle size tailing disrupts a high-speed paint filling line.

    Factory Insights for Long-Term Partnerships

    Building HL-200 is not a mere batch operation; it’s a continuous improvement journey. Feedback from customers, requests for tighter particle size control, or special packing needs reach engineering and production directly. By removing layers between us and the end-users, we stay in front of emerging requirements—whether they involve dust-free packaging, custom dispersion aids, or just-in-time logistical support. Improvements in cleanroom handling, automation of powder transfer, and operator training feed directly into the HL-200 product cycle.

    Customers value predictability, not just performance. With HL-200, they count on every shipment arriving exactly as expected, down to color, flow characteristics, and packaging integrity. Repeatable quality reduces time wasted in recalibration, requalification, or costly disposal of off-spec input materials, freeing users to focus on building final goods instead of fighting upstream variability.

    A Manufacturer’s Perspective: Every Kilogram Counts

    HL-200 does not exist simply as a catalog number. Each kilogram is assembled from validated chemistry and human care from our manufacturing base to your facility. In a world where too many products change hands without accountability, HL-200 reflects the direct relationship between the manufacturer and the user. We believe every order offers a chance to improve—whether solving a new technical challenge, meeting a stricter environmental demand, or simply keeping production lines running efficiently shift after shift.

    New users evaluating HL-200 often ask about sample consistency, long-term supply assurance, and technical backup. Because we manage our own reactors, packaging, and logistics, those answers come fresh, with no excuses about missing information or delayed responses. Our door remains open for application testing, product verification, and long-term technical collaboration. This keeps HL-200 not only relevant, but at the sharp edge of what modern fumed silica manufacturing can achieve.

    If your demand calls for fumed silica proven across global industries and backed by transparent, accountable manufacturing practices, HL-200 stands ready. Built from decades of plant floor experience and trusted by teams managing everything from laboratory scale-up to full-blown mass production, it delivers consistent performance batch after batch—because we know exactly what goes into every bag, from start to finish.