|
HS Code |
522288 |
| Appearance | White granules |
| Particle Size | Typically 10-30 micrometers |
| Ph Value | 6.0-7.5 (5% aqueous suspension) |
| Loss On Ignition | Less than 7% |
| Surface Area Bet | 120-200 m²/g |
| Pore Volume | 1.5-2.5 ml/g |
| Moisture Content | Max 5% |
| Bulk Density | 0.35-0.55 g/cm³ |
| Silanol Group Content | High |
| Dispersion | Excellent in rubber compounds |
| Silicon Dioxide Content | Greater than 96% |
| Abrasion Resistance | Enhances compound durability |
| Oil Absorption | Good, 250-350 ml/100g |
| Application | Tires, footwear, industrial rubber goods |
| Storage | Dry, well-ventilated place |
As an accredited High Dispersion & Granule Silica factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a robust 20kg white woven bag, labeled "High Dispersion & Granule Silica", featuring clear product details and safety instructions. |
| Container Loading (20′ FCL) | 20′ FCL can load about 12–15 tons of high dispersion & granule silica, packed in 25kg bags or jumbo bags, palletized. |
| Shipping | High Dispersion & Granule Silica is typically shipped in moisture-proof, multi-layer paper or polyethylene bags, usually weighing 10–25 kg each. For bulk requirements, it can be transported in jumbo bags or flexible intermediate bulk containers (FIBCs). Packages should be kept dry, sealed, and protected from contamination during transit and storage. |
| Storage | High Dispersion & Granule Silica should be stored in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Keep containers tightly sealed to prevent contamination and avoid dust formation. Store away from incompatible substances such as strong acids or bases. Ensure proper labeling and maintain storage conditions recommended by the manufacturer for optimal product stability and safety. |
| Shelf Life | High Dispersion & Granule Silica typically has a shelf life of 2 years if stored unopened, dry, and in original packaging. |
Applications of High Dispersion & Granule Silica in Industrial ManufacturingAs a direct manufacturer of high dispersion and granule silica materials, we support industrial clients with consistent quality, tight specifications, and reliable supply developed for advanced downstream process requirements. Our silica series is engineered for efficient integration into diverse sectors, focusing on performance-critical applications where consistency, regulatory conformity, and process compatibility form the basis of value creation. Below are the principal application scenarios where our high-dispersion granule silica brings targeted benefits and is routinely adopted by leading manufacturers. 1. Tire & Rubber ReinforcementAutomotive tire manufacturers and technical rubber producers use our granular silica for precise reinforcement of rubber compounds, balancing tread wear, fuel efficiency, and wet traction. Formulators select granule silica for its surface area, dispersion uniformity, and controlled moisture to meet rolling resistance and abrasion targets. Our silica is incorporated during wet and dry mixing, facilitating homogeneous filler-polymer interaction and silane coupling reactions. Specific dosing and process window adaptation optimize the mechanical balance for each tire class. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Food Contact Silicone ElastomersProducers of silicone kitchenware and bakeware rely on high-dispersion silica to achieve transparency, mechanical strength, and anti-tear properties without compromising regulatory or taste neutrality. Our granule silica offers defined particle morphology favored for platinum-cured food-grade silicone systems, with consistent purity to prevent color instability or volatile migration during curing. The silica integrates during base silicone compounding in closed mixers under GMP controls, ensuring no contamination and full traceability. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Pesticide Wettable Granule & Suspension Concentrate FormulationsAgrochemical formulators use our granule silica as a critical dispersant and carrier for developing aqueous wettable granule (WG) and suspension concentrate (SC) pesticides. With high purity, absorption capacity, and controlled granulometry, our silica supports stable flow, prevents clumping, and enhances active ingredient bioavailability. Production lines introduce our silica during wet granulation or milling, where it stabilizes the end formulation and ensures consistent dispersibility in on-field dilution tanks. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Plastic Masterbatches & CompoundsCompounders in the plastics industry select our high-dispersion silica to boost scratch resistance, stiffness, and dimensional stability in polyolefin and engineering resin formulations. Our granule grade withstands high extrusion shear and maintains consistent distribution, critical for masterbatch pelletization. Adding silica during compounding directly affects product gloss and rheological profile, supporting demands for high-transparency or matt-finish plastics used in automotive, electrical, and appliance applications. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Toothpaste and Oral Care AbrasivesPersonal care manufacturers adopt our high-dispersion silica as a gentle yet efficient abrasive and thickener in toothpaste and tooth polish products. Our material, with calibrated particle size and purity, is favored for its compatibility with active ingredients such as fluoride and sensorial flavoring oils, without altering rheology or storage stability. The controlled granule structure prevents excessive abrasion to enamel. Precise dosing and cleanroom handling eliminate risks of foreign inclusions. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Paints, Coatings & Inks Matting and Rheology AgentCoating and ink formulators integrate our high-dispersion silica to achieve controlled matting, anti-settling, and improved rheological control in solvent-based, waterborne, and UV-cure finishes. The granule form supports easy metering, low dust, and consistent incorporation during pigment dispersion and let-down stages. Our silica assists in controlling surface sheen and flow without adverse impact on color clarity or film adhesion. Processing under nitrogen blanket or dry room prevents moisture pickup and caking. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
7. Animal Feed Anti-Caking and Flow AidMajor animal feed mills use our high-dispersion granule silica to control clumping, improve powder flow, and support even microingredient distribution in finished premixes. Due to strict residue and feed safety controls, our product remains free of heavy metals and provides repeatable granule structure for automatic dosing lines. Application aligns with local and global feed additive regulations and guarantees unaltered nutritional value through the entire feed chain, with robust traceability. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive High Dispersion & Granule Silica 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
Flexible payment, competitive price, premium service - Inquire now!
High Dispersion & Granule Silica shapes a huge part of daily production routines in our chemical plant. The shift towards this type of silica came from changes in downstream demands, tighter technical expectations, and ongoing pressure to solve the pesky issues faced by formulators, be it in the rubber, plastics, or coatings sectors. As we’ve learned over years of running reactors and finishing lines, the smallest tweak in silica morphology or surface properties can ripple through everything from powder flow to mixing times and the end performance of the finished product.
When we talk about high dispersion, we refer to materials engineered with controlled aggregate size, porous structure, and surface chemistry that allows them to wet out, stretch, and spread in a target matrix with minimal mechanical effort. Producing such silica calls for a fine balance — not only in the spray-drying or granulation process, but in tailoring the silanol content and bulk density so the product meets our customers’ tools, not just our factory spec sheets. The result: a cleaner process in extrusion, faster batch turnover in rubber compounding, and far less dust across the board.
Granulated silica stands apart from fumed or powder grades. Picture the difference between sifting flour and scooping up small beads. Granular silica pours like sand, never drifts up into the air, and handles far better in both loading hoppers and pneumatic systems. Looking at safety data over the past decade, these “dust-free” properties have real effects — both on plant air quality and our colleagues’ health. Improvement in workplace conditions reduces the housekeeping burden, shrinks risk during bag emptying and cleaning, and supports compliance with modern exposure limits.
On our line, we've put high dispersion granular silica right next to commercial precipitated, powder, and fumed varieties. Each has its place, shaped by method of synthesis and downstream use. Fumed silica offers ultrafine particle size, but tends to clump and lift as a dust, causing mixing headaches and irritant risk. Classic precipitated silicas run cheaper, though they’re prone to caking in bags and require heavy mixing to break up agglomerates, especially in low viscosity systems. Our high dispersion silica, by contrast, enters mixes more uniformly and reduces batch-to-batch process variation. Customers often report less equipment wear, lower energy input in compounders, and measurable gains in throughput.
Granule design plays just as much of a role. We tune the granule size for each model: smaller grains dissipate faster in quick-mix systems, while coarser grades stay intact for longer feed cycles or masterbatch processes. Granule hardness, controlled through binder selection and spray-drier calibration, determines break-up behavior during mixing—a subtle property that shapes performance in ways not obvious from a traditional spec sheet.
On our factory floor, every batch of high dispersion silica is more than just a code on a bag. We define models based on aggregate diameter, macro-porosity, bulk density, and surface silanol content. For example, one product might carry an average granule size of 200 microns and a CTAB surface area of 180 m²/g: ideal for semi-steel tire tread formulations. Another might opt for a denser, 600-micron granule and lower BET surface area, tuned for high-load, low-shrink thermoplastic compounds. Drop these variants into a rubber mill, compactor, or double-screw extruder, and their unique behaviors become clear.
Fine tuning specifications lets us respond to application-driven demands. Customers in footwear need a softer silica that disperses at lower shear so the finished soles gain maximum flexibility without extra plasticizer. Silicone rubber compounding prefers surface-treated grades with less silanol reactivity to prevent unwanted cross-linking. Granular plastics compounds appreciate high bulk density, which reduces shipping costs and boosts metering accuracy in automated feeders.
The real engineering comes in upstream. Silica’s microstructure is born from proprietary precipitation chemistry using sodium silicate and acid, then matured through careful pH, temperature, and rate-of-addition controls. Granulation follows, using atomization and controlled drying to build particles fit for specific machinery. Every deviation, whether in viscosity, airflow, or even seasonal humidity, leaves a fingerprint on flowability, compressibility, and handling. Our operators watch these variables closer than any specification sheet could illustrate.
Using high dispersion granular silica as a manufacturer offers a practical solution to several pain points. In tire factories, faster mixing and lower power consumption matter as much as finished rolling resistance values. High dispersion grades integrate smoothly into rubber without ‘fish eyes’ or unmixed lumps, which shortens kneading times and improves compound uniformity. Coatings developers value a powder that can be poured and blended without clogging dust control filters or fouling spray heads. In coatings, the granule format brings cleaner lines and finer matt-effects, especially on broad substrates.
Dealing with granules means better control over dosage. Dosing errors fall because the granules don’t stick to pack walls or float off during transfer. We see this most clearly at customers running continuous polymer lines. Losses from spillage and airborne fines drop dramatically. Less cleanup needed, shorter downtime between grades—all of which comes back to reliability and cost.
Running long campaigns, especially in the plastics sector, places a burden on feed systems. Standard, low-density silicas can form bridges in silos or clump in screws. Our high dispersion granules retain free-flow throughout, easing movement from tote to feeder to extruder. The minimal fines minimize variation in batch WIP, translating to less rework and higher product yield.
Dust control forms a daily concern, not just during filling and unloading, but all along the value chain. Years ago, switching to granule silica cut airborne particulate count by orders of magnitude. It’s not just a matter of comfort — stricter regulations and site audits place a spotlight on silica dust exposure levels, with enforceable limits requiring real engineering controls. Granules, by nature, reduce liberation into the plant environment during tipping, mixing, and aeration. Their improved handling helps us meet, and often exceed, regulatory requirements. From the operator’s side, fewer airborne particles means safer and cleaner work conditions — a benefit that rarely finds its way onto a lab report.
Traditional powder silicas require aggressive mixing to achieve suitable particle breakup. This puts wear and tear on mixing equipment, adding cost to maintenance cycles. High dispersion granules need less energy input. Drop them in, run a standard cycle, and the system receives the right amount of reinforcement or matting effect. Compounders running busy lines appreciate reduced blade fouling and smoother transitions between batches using compatible carrier agents.
Safety isn’t only about controlling dust. Storage and shipping often introduce risks, especially with products prone to settling or caking. Granule silica travels well, stacking and draining easily in big bags, bulk trucks, or automated warehouse bins. Robust granule structure prevents compaction under load. This means faster discharging at the end user’s site, fewer bridging events, and less manual intervention with sticks or vibrators to restore flow.
From a manufacturer’s standpoint, it becomes clear that not all silica is interchangeable. Many times, customers who have struggled with hard-caked, low-bulk silicas share stories of lost batch time or misfeeds in their lines. They seek a move not only for performance, but for the sum of its parts—handling, throughput, and reduced downtime. In our operation, continuous upgrades to atomization controls, granule drying, and silica surface modification have delivered real, bankable benefits.
We measure comparative process times, mixer load profiles, and dust returns from both our own lines and customer feedback. Time and again, high dispersion granule silica emerges as the more practical solution where line efficiency and operator hygiene drive buying decisions. Long-term users report an uptick in process uptime, less blocked equipment, and fewer manual interventions. This direct production experience, more than marketing claims, stands out in the actual performance of the material.
Innovation in our plant involves more than adopting new raw materials. It extends downstream: working closely with users to fit silica granule and surface chemistry to each real-world scenario. Some polymer blends demand extremely narrow particle size distributions to avoid visual imperfections. New developments in tire compounds chase lower rolling resistance or wet grip; here, the right blend of silica aggregate size and surface modification pulls extra value from the elastomer. Surface functionalization, carried out in our finishing step, further boosts compatibility and hydration, supporting ongoing trends in both energy efficiency and eco-friendly production.
Tackling these issues isn’t one-size-fits-all. On-the-floor trials, feedback loops with application engineers, and batch auditing help pinpoint strengths and spot developing issues. For example, one plant ran into filter clogging from excess surface silanol. A tweak to our post-processing recipe, guided by customer test data, cut the problem at its root. Such interventions start at our reactors but finish with a more robust and reliable product in the hands of the end user.
In the chemical industry, sustainability now runs alongside technical performance. Modern high dispersion granule silica advances support green priorities, both by reducing waste and shrinking energy input. More efficient mixing means less power, fewer machine hours, and reduced total emissions over time. Granule forms cut down on fugitive dust — which not only saves labor, but contributes to a cleaner workplace and less environmental cleaning. We’ve incorporated closed-loop wash systems and energy capture in dryers, pushing our lines closer to zero-waste targets.
Bulk density plays a surprising role. Higher density granules take up less volume for a given mass, cutting transportation loads and storage footprints. In markets where logistics matter, this adds up to fewer trucks, pallets, and warehouse moves. In practice, these small gains mark the difference between a material that serves industry needs and one that sets a higher benchmark for resource efficiency.
Working at the heart of silica production, difficulties rarely present as single-factor problems. A customer may complain of poor mix response, only for the solution to rest on balancing surface area against granular hardness or choosing the optimal particle size for their screw feeder. Our technical teams routinely build bespoke trials — not to pad out spec sheets, but to sift out these small but costly mismatches. Throughout, experience from the floor shapes process improvement, identifying whether a granule needs to break down faster or offer more resistance to compaction during storage.
Granulation doesn’t end with a spray-dried particle. Granule shape, surface texture, and thermostability make or break handling and storage performance. We’ve invested in inline analytics to track batch morphology in real-time, reducing process drift and knocking out batches that don’t meet targets set by both our own teams and customer needs. This level of attention — not flashy, but grounded in years of tough lessons — keeps us delivering grades that do their job, every time.
No high dispersion or granule silica hits the market in a vacuum. Launching a new grade often begins through joint trials run on customer lines. Insights into how different granules interact with diverse rubber or resin formulations feed back into our own process. With each iteration, the product line keeps evolving — not just based on what the plant can make, but on what the market actually faces during compounding, extrusion, and finishing.
In cases where regulatory or green targets change, our R&D teams re-examine not only the process chemistry but the energy profile, water use, and ease of recycling associated with the granulated material. Rubber and plastics industries expect not just technical support, but a partner ready to shift and optimize in step with new challenges. We carry that responsibility through every upgrade, sample drop, and field visit.
Looking ahead, demand for better-performing, safer, and more sustainable silica products will keep rising. As the manufacturing environment grows even more complex, the technical edges provided by high dispersion granules will extend — in everything from EV tire development to new-generation insulation materials. Investments in reactor control, analytics, and material science research will continue to underpin gains in granule precision and consistency.
Throughout, we keep focus on what truly matters: reproducible performance in difficult production environments. Building materials that flow, blend, and reinforce consistently, while maintaining a safer and cleaner working space forms the core of our mission. Experience on the factory floor — not abstract theory — shapes each improvement, trial, and feedback call. Over the years, lessons learned with every shift, batch, and troubleshooting session have sharpened the reliable delivery of high dispersion & granule silica, letting end users invest with greater confidence in their own growth.
