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HS Code |
262456 |
| Product Name | HIFULL HL-260 Hydrophilic Fumed Silica |
| Bet Surface Area | 260 m²/g |
| Appearance | White, amorphous powder |
| Sio2 Content | ≥99.8% |
| Ph In 4 Aqueous Dispersion | 3.6–4.2 |
| Loss On Drying 105 C 2h | ≤1.5% |
| Ignition Loss 1000 C 2h | ≤1.0% |
| Bulk Density Untamped | 40–60 g/L |
| Average Primary Particle Size | 7–16 nm |
| Refractive Index | 1.46 |
| Specific Conductivity 4 Aqueous Dispersion | ≤100 μS/cm |
| Tamped Density | 60–100 g/L |
As an accredited HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | HIFULL HL-260 Hydrophilic Fumed Silica is packaged in 10kg multi-layer kraft paper bags with inner polyethylene liners for protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g), 84 drums x 10kg or 126 paper bags x 10kg. |
| Shipping | **Shipping Description:** HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g) is shipped in moisture-proof, sealed 10 kg paper bags, 10 bags per pallet (net 100 kg/pallet). Store and transport in a dry, cool environment; avoid direct sunlight and strong impact. Handle with care to prevent bag damage and product spillage. |
| Storage | HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g) should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances. Keep the container tightly closed to prevent contamination and clumping. Avoid exposure to direct sunlight, heat, and sources of ignition. Ensure storage in original or suitable labeled containers to maintain product quality and safety. |
| Shelf Life | HIFULL HL-260 Hydrophilic Fumed Silica has a shelf life of 2 years when stored in a cool, dry, unopened container. |
Applications of HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g) in Industrial ManufacturingHIFULL HL-260 Hydrophilic Fumed Silica, with its specific surface area of 260㎡/g, is widely employed as a multifunctional inorganic additive across advanced manufacturing industries. The following sections outline established downstream application areas where HL-260’s finely-controlled particle size and high purity play an essential role in product consistency, process efficiency, and regulatory compliance. 1. Silicone Sealant FormulationIn RTV (room temperature vulcanizing) and HTV (high temperature vulcanizing) silicone sealant production, hydrophilic fumed silica acts as a reinforcing and thixotropic agent. Manufacturers incorporate HL-260 to enhance mechanical properties and prevent sagging in both neutral and acetic cure systems. The silica’s dispersibility and rheological effects directly influence batch-to-batch process stability, extrusion performance, and final cured strength, which are critical for both industrial and architectural sealants. Industry compliance standards
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2. Paints and Industrial CoatingsWithin high-performance coating systems—such as marine, automotive refinish, and OEM paints—HL-260 functions mainly as a rheology modifier and anti-settling agent. It helps suspend pigments and fillers in both waterborne and solventborne formulations, maintaining uniform texture and reducing hard sediment during storage. The fine HIFULL particle structure supports controlled sag resistance during spray and brush application, while preventing undesirable gloss reduction in topcoats. Industry compliance standards
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3. Unsaturated Polyester and Epoxy CompositesComposite part manufacturers use HL-260 for its high thixotropy and reinforcing properties in unsaturated polyester (UPR) and epoxy resin systems. It allows controlled flow and vertical application with reduced risk of resin run-off, improving the handling and dimensional accuracy of filled and reinforced parts. Process engineers rely on the fine particle size to support void-free molding in sheet molding compound (SMC), bulk molding compound (BMC), and infusion-based processes for parts requiring precise surface finish. Industry compliance standards
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4. Adhesive and Hot-Melt System ManufacturingProducers of hot-melt adhesives (HMAs), pressure-sensitive adhesives (PSAs), and structural glues integrate HL-260 as an anti-blocking, reinforcing, and anti-sag agent. Its tailored primary particle size ensures stable open time and reduces migration of low molecular weight ingredients in PSAs. In structural adhesives for automotive and electronic assembly, hydrophilic fumed silica boosts bond line stability under thermal cycling without sacrificing process throughput. Industry compliance standards
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5. Personal Care and Toothpaste GelsMajor toothpaste and cosmetic gel brands deploy hydrophilic fumed silica as a primary thickening and stabilizing agent. HL-260’s high purity and controlled surface area guarantee well-balanced viscosity and clear appearance in aqueous gels. It offers formulators fine adjustment of yield value, holding abrasive particles in suspension while preventing phase separation in high water-content systems. Consistent quality allows producers to comply with stringent consumer product safety standards globally. Industry compliance standards
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6. Agricultural Chemical Suspension ConcentratesAgrichemical formulation specialists use HL-260 to increase the stability and pourability of suspension concentrate (SC) pesticides and biostimulant slurries. The silica controls viscosity and prevents hard-settling of actives during transport and long-term storage in both high-load and dilute systems. Its surface area promotes re-dispersion after agitation and avoids nozzle blockages during automated filling and field spraying operations. Industry compliance standards
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Competitive HIFULL HL-260 Hydrophilic Fumed Silica (BET=260㎡/g) prices that fit your budget—flexible terms and customized quotes for every order.
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In day-to-day production at our silica plant, we see how a fine balance between particle size, purity, and surface area brings about a performance edge in modern materials. HIFULL HL-260, a hydrophilic fumed silica with a BET-specific surface area of 260㎡/g, answers many of the performance gaps that manufacturers and formulators have faced for years across coatings, sealants, adhesives, and polymer modification.
Production of HL-260 draws on our experience adapting pyrogenic processes and various feedstock controls. Unlike lower surface area fumed silicas, HL-260 exhibits markedly higher rheology control when blended into liquid systems owing to its dense surface silanol population and optimized microstructure. We have found through years of feedback that customers working with shear-sensitive applications—gels, thixotropic paints, and two-part adhesives—notice immediate difference in viscosity rise when incorporating HL-260 versus traditional 150 or 200㎡/g grades. Finer surface means more interaction, as the three-dimensional network it forms extends viscosity, prevents sedimentation, and helps with anti-settling in pigments and resins.
Surface area frequently leads to technical questions on the factory floor. At 260㎡/g, HL-260 achieves a sweet spot between sensitivity and stability. Technical teams in our paint customer base have reported more stable sag resistance and long-term storage life than possible with coarser grades. The sol-gel network resists weight-induced syneresis, enabling higher solids loading in dispersion-based systems. Polishing compound formulators depend on this property to keep abrasive particles suspended. Silanol-rich surfaces of HL-260 hydrate well and interact strongly with water-based systems—this can’t always be achieved by lower surface area types, which leave slurries thin and prone to phase separation.
Much of our insight comes not from laboratory data alone but from field feedback. Sealant compounders highlight HL-260’s performance in anti-sag and slump control. Its three-dimensional structure—created during flame hydrolysis—entangles resin backbones and restricts flow at rest, then responds to shear, preventing dripping or running. Coatings formulators credit HL-260 for haze reduction in high-gloss UV coatings, since fine silica particles disperse cleanly without agglomeration. Complaints about poor transparency or unwanted surface bloom from alternative fillers have gone down sharply since moving to HL-260.
Production realities matter. Workers prefer HL-260 for its powder flow properties. Our team mills, densifies, and screens every batch to minimize fluff and airborne dust. Earlier generations of fumed silica—made with less care—left clouds in the air and coated mixing tanks, raising clean-up times and health concerns. HL-260’s compacted form means less downtime, easier feeding, and fewer PPE complaints from staff. Even though the silica remains extremely light (bulk density stays in the tens of grams per liter), equipment operators open a drum and get a manageable, pourable particle flow.
For years, the market has been dominated by 150 and 200㎡/g silica grades. These serve well where thickening is all that matters. HL-260, at a higher rating, introduces new possibilities—thixotropy and reinforcing ability for synthetic rubbers or two-component adhesives rise noticeably. Paint manufacturers working with waterborne systems noticed reduced need for co-thickeners and more consistent settling performance. Some projects have eliminated additional anti-settling agents by optimizing fumed silica dispersion, cutting back both formula complexity and cost. Where competitors’ lower-area silicas failed to suspend dense pigments or fillers, HL-260 succeeded, supporting higher solids loading and improving shelf stability.
Hydrophilic fumed silicas, such as HL-260, have an inherent advantage in water-based chemistry. Hydrophobized silicas, made by surface-treating with silanes or silicones, offer oil affinity but turn difficult in aqueous dispersions. In latex paint and waterborne adhesives, HL-260 disperses rapidly, bonds to polar polymer chains, and develops thickening without surface treatment. This natural compatibility means fewer additives, more predictable response to pH or temperature shifts, and less risk of incompatibility reactions. HL-260’s unmodified silanol groups attract water, bond directly, and deliver efficient reinforcement—traits not easily replicated with hydrophobic variants.
You learn a thing or two as years pass in silica packaging and shipping. Fumed silica’s high surface activity can mean caking in transit if left unsealed. Our team addressed this: HL-260 ships in moisture-barrier packaging to stop water sorption. The powder stays free-flowing after months in storage, even in humid plants. Maintenance engineers appreciate less bridging in screw feeders and vacuum transfer systems. Process bottlenecks often drop after switching from “sticky” or “clumpy” powders to HL-260.
Performance emerges during mixing. HL-260 integrates best using rapid mixing with high shear, since its fine primary particles want to retain some structure after unpacking. Past tests with low-energy blending left unbroken agglomerates in some customer batches. Technicians refined their process: they now introduce HL-260 slowly into vortexing resin to maximize wetting and deagglomeration. This method reduces fish eyes and dry powder clumps that can spoil a paint batch or adhesive pail. Repeatable, predictable viscosity is the benefit experienced across dozens of production lines.
Electronics compounders rely on fumed silica not just to thicken but to control dielectric properties and moisture migration. HL-260’s consistent particle morphology and purity suit high-voltage encapsulants and thermal interface materials. Lab teams report little ionic contamination—a must in sensitive assemblies. In advanced polymers, our product boosts reinforcement without excessive haze or loss of gloss. Process engineers find HL-260 improves heat distortion resistance in silicone rubbers, giving greater elasticity and elongation at break with minimal additive loadings.
Customers feel pressure from markets and regulators to push performance while trimming cost and complexity. HL-260 supports this. Its high efficiency thickening reduces the amount needed to reach rheology targets, shrinking both raw material and logistics footprints. Some coatings manufacturers have cut total organic thickener additions thanks to the physical network provided by HL-260, unlocking lower VOC contents as new regulations roll out. Fewer complaints about settling or separation lessen customer returns and waste—proving that small details in microstructure control pay off both in the lab and in full-scale plants.
End-market producers report that HL-260 sharply reduces paint sag on vertical application, and resin compounders see improved flow leveling without excessive foam. This has direct impact on yields: less rework means more consistency, better surface appearance, and fewer batches lost to pinholes or gloss drop. At our plant, defect reduction isn’t just a statistic—it’s customer feedback, technical calls, plant trouble tickets, all showing HL-260 makes thicker films possible without heavy fillers that weaken structural performance.
We don’t see quality as an aspiration; it’s a relentless outcome from every control point—raw material traceability, flame hydrolysis consistency, filtration, and end-of-line inspection. Over time, our team has linked efficient filter changeover, dryer residence time, and even minor adjustments in flame temperature to the best-performing HL-260 batches. Taking these lessons, we eliminated lot-to-lot variability, so downstream factories get a product with stable surface area, moisture, and pH.
As resin formulas evolve to meet tighter sustainability targets, material selection receives more scrutiny. HL-260, with its ultra-low input requirements versus traditional thickeners, lets formulators develop lower-weight, lower-emissions coatings, sealants, and adhesives. As a company, we have reduced our energy intensity per ton of HL-260 by integrating waste heat recovery and optimizing furnace gas utilization. Waste minimization extends to packaging return schemes, which several clients use to close the loop. Plant audits, both internal and by customers, regularly show HL-260 generates less process dust—reducing off-spec rework and workplace risk.
Many of our best insights come straight from the field. Years ago, a sealant company came to us with a problem: extreme sag in a new acrylic formula intended for vertical-joint application. Their previous silica, a commodity 150㎡/g product, offered too little thickening without sacrificing flow. Our technical team recommended HL-260 as a direct solution. Within weeks, their production team noticed not only more stable viscosity, but also faster mixing and a sharper reduction in syneresis. Such cases guide our ongoing formulation improvements.
We are not spared challenges in fumed silica production: maintaining consistent particle size across shifts, minimizing trace metallic impurities, staying ahead of evolving environmental standards. We update processes and offer production tours so customers observe batch controls firsthand. Input from our partners—be it a coating plant or a microelectronics factory—directs the tweaks we make to ensure HL-260 fits broad and demanding use cases. This direct collaboration speeds up troubleshooting and shortens the road from laboratory test to full-scale deployment.
Direct experience makes one thing clear: fumed silica is not a commodity when results matter. HL-260’s higher surface area, purity, and consistent morphology set it apart under scrutiny from process engineers and R&D chemists. It builds three-dimensional networks that trap and suspend, resists creaming and settling, and brings the long-term shelf life modern products require. For teams replacing multiple additives, HL-260 streamlines inventory and manufacturing steps. Day after day, we hear that choosing HL-260 replaces the need for extra defoamers, stabilizers, and secondary thickening agents.
Material innovation drives demand for ever-finer performance distinctions. As battery slurries become more complex and advanced composites call for more sophisticated flow control, our team continues iterating HL-260 grades for tighter particle size control and even lower trace elements. Joint studies with research partners focus on compatibility with bio-based polymers, seeking to combine low-odor operation and environmentally friendly chemistry in next-generation coatings and adhesives. From pilot runs to commercial scale-ups, HL-260 anchors many of these transitions, with broadening roles in barrier coatings and fire-safe compounds.
More than technical specifications, HL-260’s value shows up in operator comments, shift reports, and production efficiency curves. Operators praise the clean pour and rapid uptake in mixers; QA teams value the cut in viscosity swings batch to batch. Project leads, under cost and quality pressure, report that HL-260 lets them meet timelines with fewer reformulations. Every production run, from the small-batch startup to the high-volume chemical plant, builds our confidence in how HL-260 solves problems without adding complexity.
Building better products comes down to picking materials partners who share both technical and practical know-how. HL-260’s broad footprint—across adhesives, coatings, plastics, and beyond—stems from these lived experiences in factories worldwide. Through close work with customers, strict attention to process, and a drive to keep learning, we have shaped HL-260 beyond a powder in a drum, into a backbone for modern, reliable materials.
