| HS Code | 374404 |
| Product Name | ULTRASIL 9100 GR |
| Form | Granular |
| Chemical Type | Precipitated silica |
| Appearance | White powder |
| Surface Area Bet | 175 m²/g |
| Ph 5 Percent Sol | 6.0-7.5 |
| Loss On Drying | Max 5.0% |
| Sieve Residue 63 Microns | Max 3.0% |
| Pour Density | Approx. 480 g/l |
| Moisture Content | Max 5.0% |
| Ignition Loss | Max 7.0% |
| Application | Rubber industry |
| Cas Number | 112926-00-8 |
As an accredited ULTRASIL 9100 GR factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | ULTRASIL 9100 GR is packaged in a robust 20 kg multi-layer paper bag with moisture protection and printed product labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for ULTRASIL 9100 GR: Typically loaded with 18-20 metric tons, packed in 20 kg bags on pallets. |
| Shipping | ULTRASIL 9100 GR is typically shipped in sealed, moisture-proof, and sturdy packaging such as multi-layer paper bags or polyethylene-lined bags to prevent contamination and moisture absorption. Each bag usually contains 20 or 25 kg of product, and shipments are palletized for safe handling and transport. Store in a cool, dry place. |
| Storage | ULTRASIL 9100 GR should be stored in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Keep the container tightly closed and avoid exposure to incompatible materials. Use only original packaging or approved containers. Ensure storage areas are free from sources of ignition and follow local regulations for storing chemicals to maintain product quality and safety. |
| Shelf Life | ULTRASIL 9100 GR has a shelf life of 24 months when stored in original, unopened packaging under cool, dry conditions. |
ULTRASIL 9100 GR, a highly dispersible precipitated silica, is developed for advanced industrial processes that require precise performance enhancements. From sophisticated tire compounds to technical rubber goods, silicone rubber manufacturing, and adhesives, this material delivers reproducible characteristics demanded by leading manufacturers. Below are relevant application scenarios in which our silica finds consistent, industrial-scale use.
ULTRASIL 9100 GR is engineered to serve in energy-efficient, high-traction tire tread formulations for passenger vehicles. Its optimized structure promotes enhanced wet grip and rolling resistance properties when combined with modern silane coupling agents. Our material is selected by top tire producers for integrating into tread stocks requiring a balance of abrasion resistance, low heat generation, and regulatory compliance for global automotive markets.
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Industrial users in the conveyor belt sector demand precise reinforcement and dynamic performance to withstand continuous operation and high mechanical loads. Our silica aligns to these requirements, providing excellent flex-fatigue resistance, tear strength, and controlled elongation. Its consistent particle morphology supports dispersion even in highly filled, abrasion-resistant industrial rubber recipes.
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Advanced electrical and mechanical applications require silicone rubbers with high insulation, thermal stability, and precise elastic properties. Our product meets these demands, lowering compression set and enhancing mechanical reinforcement, ideal for manufacturers producing cable insulation and automotive sealing profiles meeting international standards for electrical safety and durability.
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Shoe manufacturers leverage ULTRASIL 9100 GR to design outsoles and midsoles delivering non-marking abrasion, reduced density, and balanced elastic recovery in both fashion and safety footwear. The controlled surface activity improves polymer-filler interaction, adjusting attributes like slip resistance and resilience for diverse end-use settings.
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Adhesive manufacturers select our silica to modify tack, cohesion, and thermal resistance in pressure sensitive adhesive formulations for tape and label applications. The controlled absorption and surface silanol density enable precise rheology modification without adversely impacting clarity or final adhesive film appearance, supporting applications in electronics, labeling, and automotive tape segments.
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Competitive ULTRASIL 9100 GR prices that fit your budget—flexible terms and customized quotes for every order.
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As manufacturers deeply rooted in the silica industry, we understand the critical role of high-purity, finely-tuned reinforcing fillers in today’s demanding rubber compounding world. ULTRASIL 9100 GR reflects the result of decades of hands-on process optimization, relentless quality assurance, and close collaboration with tire makers and technical rubber goods producers. Every trial batch and formulation tweak points to one central fact: reliable, high-performance precipitated silica doesn’t just enhance rubber — it transforms it.
Our team designed ULTRASIL 9100 GR for tire manufacturers who seek cutting-edge abrasion resistance, fuel efficiency, and consistent dynamic properties in their tread and sidewall compounds. We produce this grade through controlled precipitation, resulting in a granular form that pours cleanly, integrates easily with mixing systems, and minimizes airborne dust in the workplace. From the day we scaled up bench production to full commercial runs, our operators and R&D staff have documented how its unique surface area and structure change the way it bonds with elastomers and silane coupling agents.
With a BET surface area typically near 175 m²/g and oil absorption that matches the needs of high-dispersion compounding, ULTRASIL 9100 GR plays a leading role in silica-silane systems for green tire applications. Tire makers consistently tell us it helps reduce rolling resistance without sacrificing wear or wet grip. For technical rubber goods, our clients cite improved tear strength and flex-fatigue life, showing that innovation at the silica level ripples out into real-world performance gains.
Every lot of ULTRASIL 9100 GR springs from a process we continually refine. High-purity sodium silicate meets acid in a controlled reactor, yielding a precipitate with targeted pore structure, surface chemistry, and particle size. The granulation process, developed and operated in-house, produces uniform, free-flowing particles with low dusting characteristics. This isn’t just about compliance — our plant engineers track production metrics like attrition resistance and caking tendencies, knowing that better granule integrity means easier silo storage, fast pneumatic transfer, and lower risk of process interruptions for our customers.
Formulation chemists know that silica dispersion remains a challenge. Finer, highly-aggregated grades may create headaches in certain batch mixing setups, causing compounding variability or agglomeration. Through pilot trials and large-scale industrial feedback, we tuned the balance between structure and dispersibility in ULTRASIL 9100 GR. The result stands apart from early-generation high-surface-area silicas — improved batch consistency and fewer mix-cycle adjustments, especially in high-output Banbury or intermeshing mixer operations.
A critical driving force in developing ULTRASIL 9100 GR has been occupational safety. Decades ago, powdered silica grades could generate visible clouds at bag hoppers, conveying lines, and silo vents, raising health risks for workers and increasing loss during material handling. Our granular form drastically reduces airborne particle release, confirmed by workplace air monitoring across several high-volume user sites. Plant managers who switched from powder to granules note improved air quality and easier cleanup, which boosts morale and decreases unnecessary downtime.
For us as manufacturers, reducing respirable dust isn’t only about regulation or box-ticking — it’s about building relationships with our downstream partners. We invest in real-world usability, knowing that the operators on tire mixing lines deal daily with the consequences of raw material choices. Each feedback loop — from worker observations to lab air sampling — informs our commitment to continuous safety improvements. ULTRASIL 9100 GR represents that ethos in every delivered batch.
Tire compound innovation constantly pushes expectations for silica performance. We work closely with compounders running dynamic mechanical analysis, lab curing studies, and full-scale rolling resistance testing. They demand reinforcing fillers that respond reliably batch after batch and don’t complicate mixing cycles. With ULTRASIL 9100 GR, feedback often focuses on its ability to achieve high silica loadings while maintaining manageable viscosity, and to enable shorter mix times — both critical for modern tire economics.
One persistent challenge lies in silica dispersion at high dosages, especially for ultra-high performance (UHP) and all-season tire treads utilizing advanced polymers and silane systems like TESPT and Si 69. The granular structure and tailored surface chemistry of ULTRASIL 9100 GR support faster micro-dispersion and better chemical coupling, reducing issues of undispersed white specs or premature scorching that still trouble some alternative silica grades. Our process development chemists keep close tabs on real-world application data, cross-referencing it with instrumented lab results to ensure each batch meets our published performance targets.
Customers sometimes ask about the differences between granulated and powdered silica forms. The question often comes from a practical place: how does it affect mixing, dust, material flow, and overall process efficiency? Facility crews see firsthand how the switch to granules like ULTRASIL 9100 GR shortens housekeeping routines, reduces bulk material loss, and cuts maintenance needs on dust extraction systems. Internal handling also gets easier — bins and conveying pipes flow without bridging or packing, even with the higher dosing rates called for in modern green tire technologies.
Process reliability matters just as much as lab-measured performance. In batch after batch, the free-flowing granular material ensures accurate weighments, smooth feed into continuous or batch mixers, and reproducible compound properties. Fewer disruptions mean shorter mixing cycles, less operational downtime, and improved efficiency — benefits that rapidly show up in plant KPIs, not just customer specs.
Our production teams and technical service staff often compare ULTRASIL 9100 GR to other reinforcing silicas — both our own and those from international peers. Silica isn’t a one-size-fits-all commodity; small changes in production parameters can have outsized effects on compounding and end-use performance. For example, some traditional powdered grades excel in pigment pastes or adhesives, where ultra-fast wetting takes priority, but these often fall short in modern rubber compounding due to their dustiness or poor bulk density.
Compared to lower-structure grades, ULTRASIL 9100 GR balances surface area and porosity, supporting both energy absorption and wear resistance in rubber parts. Higher structure versions may disperse faster in some high-shear mixers, but often raise compound viscosity or reduce compound strength. Experimentation and iterative field trials prove that 9100 GR strikes the right compromise for tire tread and technical rubber compounding, without the workability concerns that come with some ultra-fine grades.
From the start of the mixing line to the finished product in the field, tire makers report improved uniformity and lower scrap rates after adopting our granular form. For their engineers, consistent reinforcing effects mean more predictable rolling resistance and wear results at the testing stage — which builds confidence at every step of product validation. Among the silica grades we have produced over the years, 9100 GR reflects our evolution toward cleaner, safer, and more reliable fillers tailored to the realities of modern rubber manufacturing.
End-users bring practical concerns, from raw material handling logistics to performance at the tire test track. Feedback on ULTRASIL 9100 GR often targets the day-to-day realities of high-throughput compounding. Plant managers underline the benefits of granules — less operator exposure, near-zero product loss at bag dump stations, smoother feed into silos and dosing equipment. Process engineers focus on how stable and low-dusting material reduces the urgency for equipment cleaning and downtime, while the lab teams confirm that batch results track reliably to published performance data.
Material savings and process improvements don’t just show up in safety stats. Tire makers detail improved filler incorporation indices, lower total mixing energy, and increased batch-to-batch reproducibility — three factors that directly support sustainable manufacturing targets. On-site audits and periodic review meetings keep us accountable. Year after year, our field teams catalog incremental improvements in product quality and user experience, driven by the realities of tightly-run manufacturing operations.
Environmental progress goes hand-in-hand with technical innovation. Our chemical engineers optimize every aspect of ULTRASIL 9100 GR’s production, minimizing water and energy use, while pursuing closed-loop processes to recover and recycle input materials. As concerns mount over microplastics, energy efficiency, and end-of-life tire disposal, the role of reinforcing fillers like silica takes on new meaning. Lower rolling resistance directly saves fuel and reduces carbon dioxide output from vehicles, benefits that amplify across millions of tires.
Production teams run lifecycle analyses and partner with tire manufacturers in joint sustainability programs. Each efficiency gain in granulation, material handling, and in-plant logistics cuts energy and water input — cumulative improvements that add up. As growing regions update environmental regulations, our granular silica meets stricter workplace and emissions standards, reflecting a responsible approach to both safety and environmental stewardship.
Technical data only tells part of the story. Field trials — at pilot and commercial scale — settle the real value of any reinforcing filler. With ULTRASIL 9100 GR, our support doesn’t end at the lab bench; we work closely with plant teams during introduction, tracking performance against live production targets and offering troubleshooting support throughout scale-up. Every process tweak, from mixer temperature settings to silane dosages, feeds back into continuous product optimization.
Tire and rubber compounders report more stable process windows, with fewer unexpected deviations in tensile strength, modulus, and elongation. Their test drivers and application techs confirm that improved rolling resistance and wet traction don’t come at the expense of wear life. Such feedback loops keep us engaged, grounded, and open to incremental process improvement that benefits both safety and value.
Tire manufacturing evolves quickly. OEM and replacement market pressures demand both performance and economy, under tighter regulatory oversight on environmental emissions and workplace health. Through experience, we see that granular reinforcing fillers like ULTRASIL 9100 GR adapt better to advances in mixing technology, processing automation, and evolving expectations for “smart” materials. From the way it stores in high-density silos to its smoother flow in automated feeders, granules consistently beat powders in hands-on plant efficiency.
Supply chain disruptions and shifting regulatory landscapes have forced everyone in the chemical sector to rethink process resilience and raw material availability. ULTRASIL 9100 GR’s ease of storage, shelf life, and shipment options make it a practical choice under these new realities. Long-term partners share stories of faster unloading times, simplified material audits, and reduced need for special handling protocols — impacts that ripple across procurement, operations, and compliance teams.
Delivering reliable silica isn’t just about production capacity or technical specs. It takes commitment to worker health, end-user feedback, and a willingness to learn from each ton shipped. The evolution from traditional powered silicas to dust-free granules didn’t happen overnight — it reflects both process innovation in our factories and close listening to tire plants worldwide. Every improvement in flowability, mix dispersion, or chemical coupling accuracy supports better performance in the final application.
As scientific understanding of silica-elastomer interactions deepens, our R&D teams remain focused on adapting production methods and surface treatment recipes to keep pace. Material science doesn’t stand still, and neither do our standards. Regular collaboration with academic partners, raw material suppliers, and end-users shapes our priorities, and continuous pilot-plant assessment ensures we stay ahead of demands for efficiency, safety, and sustainability.
Tire and technical rubber customers push for every advantage, from lower rolling resistance and robust wear protection to fully automated, dust-controlled manufacturing environments. Our field experience confirms that granular, high-purity silicas like ULTRASIL 9100 GR deliver measurable improvements in every area — upholding product consistency, protecting worker health, and simplifying everyday plant operations.
We view each shipment not just as another product on a spec sheet, but as evidence of long-term listening, learning, and continuous adaptation. Factory teams, process engineers, and research scientists pouring, mixing, and testing ULTRASIL 9100 GR every day drive our commitment to producing better, safer, and more sustainable reinforcing agents for the next generation of rubber products.
