| HS Code | 794304 |
| Product Name | ULTRASIL 5000 GR |
| Manufacturer | Evonik Industries |
| Physical Form | Granular |
| Chemical Name | Precipitated Silica |
| Color | White |
| Surface Area Bet | 160 m²/g |
| Ph Value | 6.0-7.5 |
| Loss On Ignition | 5.0-7.0% |
| Sieving Residue 45µm | <0.5% |
| Moisture Content | <5.0% |
| Bulk Density | 200-350 g/l |
| Application | Rubber reinforcement |
As an accredited ULTRASIL 5000 GR factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | ULTRASIL 5000 GR is typically packaged in 20 kg multi-layer paper bags with inner polyethylene liners to ensure product protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for ULTRASIL 5000 GR: Typically 16,000 kg, packed in 640 bags of 25 kg each, palletized. |
| Shipping | ULTRASIL 5000 GR is shipped in sealed, robust bags or bulk containers to protect against moisture and contamination. Packages are clearly labeled with product, hazard, and handling information. Shipments comply with safety regulations, ensuring secure transport and storage. Handle with care, avoiding exposure to dust and extreme environmental conditions. |
| Storage | ULTRASIL 5000 GR should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of moisture. Keep the product in tightly sealed original packaging to prevent contamination. Avoid exposure to strong acids and bases. Ensure the storage area is free from incompatible materials and follow all relevant safety and handling guidelines provided in the material safety data sheet (MSDS). |
| Shelf Life | ULTRASIL 5000 GR has a shelf life of 24 months from the date of production if stored in original, unopened containers. |
ULTRASIL 5000 GR is a highly dispersible precipitated silica designed for demanding industrial and technical applications. As a direct manufacturer, we supply this grade to leading companies in several downstream industries, contributing to advanced material properties, process stability, and quality consistency. Below, we present key application scenarios involving our silica, with details on standards, process integration, recommended dosage, and typical finished goods.
Global tire producers incorporate our silica to enhance rolling resistance, wet traction, and tread wear properties. Engineers precisely dose this filler during the compounding of tread and sidewall rubber, balancing wet grip and abrasion resistance. Our collaboration with OEMs focuses on compliance for safety-critical materials and maintaining consistency in batch-to-batch supply, as silica interacts with silanization catalysts to optimize rubber network formation.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Our customers in silicone elastomer compounding use this grade to control reinforcement in high-consistency and liquid silicone rubbers. Silica performs as the main reinforcing agent, improving tensile strength, tear resistance, and surface finish for extruded profiles and precision molded parts. QC teams monitor dispersion to ensure consistency in electrical and mechanical performance.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Industrial paint formulators use our precipitated silica for matting, rheology modification, and anti-settling in solventborne and waterborne systems. It provides surface roughness for reduced gloss and prevents pigment sedimentation during storage and application. Regulatory compliance and continuous quality underpin usage in both architectural and industrial finishes, with close monitoring of particle size and dispersion state.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Producers of toothpaste and oral gels specify our precipitated silica for its mild abrasivity, viscosity control, and clarity contribution. Used in fluoride and herbal toothpaste, the grade must comply with strict purity and microbiological safety standards. Manufacturing lines integrate our silica in high-shear mixers to achieve homogeneous dispersion and stable rheology during tube filling and shelf-life storage.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Compound feed processors use our silica as an anticaking agent and carrier, facilitating free-flow of vitamin premixes and trace mineral blends. Strict traceability and purity criteria apply. Operators adjust dosages for hygroscopic components and implement continuous microdosing during high throughput blending to ensure consistent dispersion and prevent bridging in handling systems.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Producers of construction and engineering adhesives rely on our silica for control of flow, thixotropy, and sag resistance in formulations based on epoxies, polyurethanes, and MS polymers. Our technical service engineers work closely with customer R&D to ratify batch reactivity and maintain compliance with construction and transportation standards for final product certification.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive ULTRASIL 5000 GR prices that fit your budget—flexible terms and customized quotes for every order.
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As a producer of fumed silica, we watch the details from reaction conditions right through to finished product packing. Our team runs the reactors daily and fine-tunes each batch because end-use performance depends on it. ULTRASIL 5000 GR stands as one of the most consistent high-surface-area precipitated silicas available. We make it ourselves, monitor every step, and address issues at their source before shipping to our partners. Every shipment reflects what years of production experience and customer conversations have taught us about real-world requirements.
ULTRASIL 5000 GR grew out of the technical challenges faced in today’s tire manufacturing and industrial rubber compounding. Increasing rolling resistance standards and durability requirements put new pressure on tire engineers and compounders. Over the years, silica like ULTRASIL 5000 GR has taken center stage for energy-saving tire tread recipes because its surface chemistry encourages fine interaction with polymers. Tire makers who need lower rolling resistance and longer tread life turn to this product. In our own mixing labs, we see how this silica combines with silanes and other coupling agents—consistently improving grip, reducing heat build-up, and helping tires meet global standards like those enforced in Europe, North America, and East Asia.
ULTRASIL 5000 GR differs from earlier silicas in its aggregate structure and surface activity. Not every silica producer manages to control primary particle size, porosity, and silanol group exposure at a reproducible industrial scale. Over time, we have measured the impact of subtle process tweaks on the final product. What comes off our lines—each batch—shows a specific surface area targeted for high dynamic stiffness and fuel economy in tires, without creating handling or mixing headaches. The smaller aggregate size achieves faster incorporation into rubber, reducing dust and waste. We engineered this product through direct collaboration with tire and rubber plants; if the product does not disperse well in their internal mixers, nobody wins. Each granule of ULTRASIL 5000 GR is designed to add to dispersion speed as well as compound performance.
Handling bulk silica powders is never simple. Early on, complaints from factory floors reached us: workers struggled to control dust, equipment jammed, and dosing varied from one shift to the next. We answered by moving to a dense, free-flowing granule. One of the main things ULTRASIL 5000 GR improves over loose powders is reliable dosing in automated lines. With bulk density around 480 to 600 kg/m³, it feeds predictably and keeps factory cleaning efforts manageable. There’s less airborne powder, less material lost, and fewer filter changes. Internally, the design of this granule reduces packing issues in various container formats, so our customers keep their lines moving without last-minute hitches.
Lab and field feedback showed us that silica must match not just the rubber’s chemistry but also the process upgrades happening across our industry. ULTRASIL 5000 GR works in Banbury, Intermix, and continuous compounders. Tire engineers balance compound viscosity with mechanical properties. They want fast dispersion, robust wet and dry traction, and consistent hardness. In our pilot and industrial runs with leading tire plants, our silica supports rapid wet-out, minimizing mixing time. This saves energy and protects against thermal degradation of the rubber, so the carbon balance stays on target. Every tire plant has its own process rhythm, and we built this product with that diversity in mind.
Silica’s value in modern tire recipes depends on how well it can couple with organic silanes. Too little surface silanol groups, and the silane fritters away; too much and processing stalls. Our fumed silica manufacturing process lets us tune the balance of active groups. Tests using common silanes like TESPT or Si69 show high coupling yield with ULTRASIL 5000 GR, which translates into reliable wet traction, abrasion resistance, and fuel economy. Customers using legacy silicas often complained about inconsistent coupling. Now, they can plan around batch-to-batch stability that saves them reworking rejected compounds. Good chemistry at the silica surface not only supports performance but also lets downstream blenders use less silane—saving cost without giving up on final product performance.
Out in the real world, end users care about tire mileage and safety more than internal lab numbers. Our compounders push abrasion tests harder than most because that’s what our industrial tire customers report as the real pain point. Compared with low-structure or legacy silicas, ULTRASIL 5000 GR routinely boosts wear resistance and sustains chunk tear values—especially under heavy load applications. In truck, bus, and high-performance passenger tires, this has translated into repeat purchase orders and fewer factory rejects. High structure does not automatically guarantee abrasion resistance, so tuning our reactor settings and post-treatment chemistry has been a years-long effort. Improvement shows up in the final tire’s tread depth retention.
Modern chemical production is hard to justify unless it advances sustainability standards. At our plant, ULTRASIL 5000 GR comes from a process designed for minimal waste and energy use. We capture off-gases in real time, recycle water, and put recovered energy back into our operation. The product itself helps users build greener tires: reduced rolling resistance leads directly to lower fuel consumption on the road, supporting global emission reduction goals. In the ongoing push for green manufacturing, switching to a robust, highly dispersible silica has let many of our customers claim a real improvement in life-cycle analysis for their finished tires. The material doesn’t just fit performance demands; it helps push the industry in the right direction.
Every silica supplier promises high quality, but the real differences surface on production floors. Some competing products offer similar surface area but struggle with batch consistency. We have found that off-spec batches lead to wasted mixing time, erratic extrusion behavior, and rejected lots downstream. Our customers measure their real cost by outcomes, not by spec sheet numbers. ULTRASIL 5000 GR shows less lot-to-lot variation. Over multiple years and thousands of tons shipped, this stability has proven more valuable than simple headline specs. Producers working with our silica spend less time tweaking mixing schedules and more time hitting productivity targets. Long-term users confirm that the ongoing costs—lost time, scrap, adjustments—drop when silica performance stays constant.
ULTRASIL 5000 GR covers more than tire treads and sidewalls. Industrial rubber products rely on its balance of reinforcing structure and processability. Seals, hoses, conveyor belts, and technical rubber parts all take advantage of its dispersibility and mechanical enhancements. In applications where extrusion smoothness, heat aging, and dynamic fatigue resistance matter, the silica’s structure adds both wear life and flexibility. Our development chemists keep this material in their own test benches—if it doesn’t meet internal expectations, it never sees the light of day in a customer order.
We don’t develop materials in a vacuum. Our technical and sales teams visit customer sites, sit with plant engineers, and watch first-hand how silica blends into real recipes. Ideas and complaints from those lines feed straight back to our production managers. Should a need for greater structure modification or surface treatment arise, we can trial production runs quickly in our home plant, putting pilot samples into compounds within days. This direct feedback loop—not just research papers—shaped ULTRASIL 5000 GR’s evolution.
Our in-house rubber lines test every production lot. Application engineers run compounding and mixing trials matching both lab-scale and full industrial-sized equipment. Results show predictable mixing torque, controlled temperature rise, and reliable incorporation times. Across customers, the feedback has been that changing out historic, fine-powdered silica for ULTRASIL 5000 GR brings down batch cycle times thanks to granule design. The less time spent in the mixer and on filter maintenance, the more uptime our partners see. These operational savings matter when every downtime hour costs thousands in lost product.
We maintain strict batch-level quality controls. Every lot receives surface area, pH, moisture, and sieve tests before shipping. Automation records allow us to trace any anomalies back to the precise reactor, operator, and time window. Customers often face surprise quality claims traced to upstream silica issues. Our long experience maintaining traceability means questions get resolved quickly—production data is available instantly, and our technical staff can compare lab outcomes with plant conditions at any time.
The silica landscape keeps changing. Every year brings new vehicle designs and new compound challenges. We invest in pilot reactors and analytical equipment so we can respond to shifts in tire regulations, rubber chemistries, and automation technologies. If a customer faces a new compound property or downstream quality snag, our technical support can scale up custom test batches in short timeframes. Adjustments to surface chemistry or granule sizing get rapid internal trial before being scaled for full production. This approach—response grounded in direct production—sets us apart.
Years of customer feedback and our own application testing show that moving to ULTRASIL 5000 GR frequently decreases rolling resistance by 8 to 12 percent in modern tire compounds. Abrasion numbers improve in line with international standards, routinely passing ISO and ASTM tests for tread wear and tear. Mixing cycle reductions average 10 minutes per batch, and granule breakage losses are below 1 percent across shipping and storage. These numbers aren’t from single-batch, small-lab settings—they come from industrial-scale tire plants operating at commercial line speeds. Every step in production, from raw materials to final granule densification, remains open to audit and optimization.
Tire and rubber manufacturers look for more than basic silica reinforcement. Durable mileage, handling response, and cost-effective production guide decisions on raw material sourcing. Over the last decade, silicas like ULTRASIL 5000 GR have built a reputation because they don’t just hit the minimum specs on a data sheet. Large buyers in North America, Europe, and East Asia now opt for granular silica because of downstream savings and workflow efficiency. The feedback is consistent: dust is down, mixing reliability is up, and operators have less trouble with blockages in day-to-day plant work.
No raw material works flawlessly across every plant and application. Issues arise around humid storage conditions, extended storage periods, or unique compounding additives. We design our packaging and shipping logistics with vigilance based on field returns and operator experience. If a receiving plant struggles with clumping or flow rate, we dig into the root cause using both lab analyses and on-site observation. Adjustments go back into the production line—be it a tweak to granule hardening stages or a shift in post-treatment moisture balancing—to keep the material fit for purpose wherever it lands.
Industrial silica is as much about reliability as it is about cutting-edge science. Our team works to make sure ULTRASIL 5000 GR holds its own against the world’s best, and keeps up with new regulations on rolling resistance and wear. Industry players benchmark products rigorously, and we meet those standards by focusing on process transparency, direct customer interaction, and steady investment in better product refining techniques. Operators on the line—and engineers in the lab—see the results in day-to-day operation: reduced downtime, fewer maverick batches, and tires that perform mile after mile.
Lessons learned from the field play a central role in how we develop and adjust ULTRASIL 5000 GR. Technical support teams follow up with tire manufacturers and rubber technical centers to monitor product performance. Any issue—unusual compounding behavior, a mixing hang-up, or performance shortfall—feeds directly to our plant management. We make changes not just to the paperwork, but to the reactor settings, granulation process, and post-treatment steps. This cycle of feedback and action has helped us keep long-term partners, many of whom rely year after year on a predictable, reliable source of reinforcing silica.
The grain of the difference lies in experience-driven manufacturing. Quality control does not rest on output numbers but on the real experience of those who use the product in high-throughput environments. The knowledge we continue to gain from both successes and setbacks guides our approach, driving improvements that we build into every ton shipped. ULTRASIL 5000 GR is not just a silica—it is the culmination of repeated plant visits, sounded alarms, long production hours, and solved challenges that define real partnership in chemical supply.
Every batch is made for real operators, not just the purchasing department’s checklist. Our in-plant teams and support engineers value long-term contact with line supervisors and technical managers, so the silica we deliver fits right into regular production. Making adjustments in manufacturing to respond to a compounding problem shows our willingness to uphold standards and keep the partnership strong. This approach extends across industries, whether it’s global tire producers, technical rubber operations, or industrial product manufacturers.
Manufacturing silica means regular change, from environmental regulations to automotive industry requirements. Our strategy is to keep learning from how our product performs once it leaves the factory and to keep investing in better equipment, more precise process control, and new chemistries that solve the next round of challenges. Those who use ULTRASIL 5000 GR can trust it comes directly from a source that values reliability, experience, and partnership as highly as technical innovation.
