| HS Code | 311113 |
| Product Name | BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series |
| Bio Based Content | High |
| Source Material | Renewable rice husk ash |
| Silica Content | Typically above 90% |
| Particle Size | 8-12 microns (D50) |
| Oil Absorption | 210-240 ml/100g |
| Bet Surface Area | 180-220 m²/g |
| Ph Value | 6.0-7.0 |
| Moisture Content | ≤ 5% |
| Color | White to off-white |
As an accredited BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The BIO-RHASIL EV2165 is packaged in a 20 kg multi-layer kraft paper bag with inner polyethylene lining for moisture protection. |
| Container Loading (20′ FCL) | 20′ FCL container loads 13 MT of BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series, securely packaged in bulk bags. |
| Shipping | BIO-RHASIL EV2165 High Performance Bio-based Silica ships in secure, sealed packaging, typically 15–20 kg fiber drums with inner polyethylene liners. All containers are clearly labeled for chemical safety and compliance. Shipping complies with relevant chemical transport regulations, ensuring product integrity and safety during transit. Store in a cool, dry place upon arrival. |
| Storage | BIO-RHASIL EV2165 High Performance Bio-based Silica should be stored in a cool, dry, and well-ventilated area away from moisture, direct sunlight, and incompatible materials. Keep the container tightly closed when not in use. Avoid exposure to excessive heat and sources of ignition. Ensure proper labeling and handle according to standard safety protocols for chemical powders to maintain product integrity. |
| Shelf Life | BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series has a shelf life of 24 months when stored in unopened, original packaging. |
BIO-RHASIL EV2165 High Performance Bio-based Silica serves as an advanced functional additive in a range of essential downstream industries. Supplied directly from our manufacturing facility, our bio-based silica series addresses the stringent technical, operational, and regulatory demands of real-world production environments. The following scenarios detail proven applications, integrating compliance, dosage guidance, process implementation, and final commercial product types.
Leading tire producers incorporate our bio-based silica within tread formulations to achieve significant gains in fuel efficiency while maintaining wet grip. The product meets global automotive OEM expectations for sustainable content and helps reduce carbon footprints throughout vehicle lifecycles. Tire compounders value its stable particle distribution and defined surface activity, which supports processing consistency and predictable finished product performance.
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Leading coating formulators rely on bio-based silica for controlled rheology, scratch resistance, and improved matting performance in waterborne and solvent-based coatings. Its natural origin supports green label compliance and facilitates LEED credits for architectural coatings. Our customers report stable dispersion and low impact on film clarity, even at higher additive dosages in low-VOC paint systems.
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Major toothpaste and dental gel brands utilize our bio-based silica as a gentle cleaning and polishing agent, enabling clear label claims for renewable raw material content. Consistent particle size and pore structure support precise cleaning performance while minimizing enamel abrasion, with full compliance to major global health and cosmetic standards. Producers achieve stable paste viscosity and reliable extrusion in high-speed lines.
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Agrochemical formulators working with suspension concentrates, water-dispersible granules, and SC/WDG herbicides and fungicides choose this bio-silica for its ability to control viscosity and prevent active ingredient sedimentation. Compliant with global food safety and environmental protection rules, this additive ensures smooth blending and stable product storage, supporting reduced dust and improved mixing in state-of-the-art formulation plants.
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Flexible film producers in the food and pharmaceutical packaging sectors use our high purity bio-silica as a safe, non-migratory anti-blocking additive. It supports the manufacture of transparent and semi-opaque packaging films with improved roll milling, high-speed slitting, and long-term stackability without blocking or surface defects. Full traceability and food contact compliance make it suitable for direct-contact packaging lines and automated converting facilities.
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Producers of silicone elastomers specify bio-based silica to enhance tensile strength, elasticity, and dimensional stability in liquid and high consistency silicone formulations. The additive’s chemically clean surface and tight particle size controls deliver repeatable batch-to-batch compound properties, supporting precision-molded parts used in medical, automotive, and consumer electronics manufacturing.
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Competitive BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series prices that fit your budget—flexible terms and customized quotes for every order.
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Every batch of silica we produce ties directly to real challenges faced on the shop floor. For years, we focused on improving the structure, dispersion, and compatibility of silica for elastomers. This work came from direct conversations with tire and rubber manufacturers who know very well that drop-in replacements rarely fit as seamlessly as promised. In designing the BIO-RHASIL EV2165 High Performance Bio-based Silica EV Series, we made a conscious investment in both materials science and processing, refusing to make trade-offs that would compromise either product consistency or manufacturing flexibility.
EV2165 drew its inspiration from mounting calls for bio-based content in tires, automotive components, and technical rubber goods. Most of the silica on the market today still comes from fossil feedstocks, and for all the talk about green chemistry, very little ends up affecting the actual chain of supply most producers depend on. In our plant, we started from renewable sources—agricultural residues transformed by proprietary hydrothermal processes into high-purity, amorphous silica. This source keeps fossil carbon out of the system and improves traceability, opening credible paths for Life Cycle Assessment (LCA) and carbon footprint reporting.
Time on the line shows how poor dispersibility, shard-like particles, or wide pore size swings force manufacturers to slow their lines or simply discard otherwise-acceptable blends. We addressed these issues in EV2165 by engineering particle size distributions that reduce agglomeration and support wet or dry mixing with SBR, NR, BR, and ESBR. Primary particle diameter sits between 14-22 nanometers, measured consistently by TEM and confirmed batch-by-batch with surface area analysis. BET surface area averages roughly 170-200 m²/g across annual production runs, giving strong reinforcement without the processability headaches seen in ultra-fine silicas.
Pour density stays within a range that allows for high loading but doesn’t turn pneumatic conveyance into a dust nightmare. Water absorption—always a touchy subject for plant operators—lands at 180-210 grams per 100 grams, depending on production week. This brings robust coupling with silane systems and keeps downstream compounding parameters stable.
Over the last decade, OEMs and tire compounders demanded lower rolling resistance and better wet grip, yet the unlocking of those properties fell short where traditional precipitated silicas did not interact predictably with modern coupling agents and elastomers. Direct testing in both passenger and commercial tire labs confirmed that EV2165 enhances abrasion resistance and tread wear without causing mixing torques to spike uncontrollably. Feedback from tire makers points out that tread, sidewall, and bead compounds can reach performance indicators previously only possible with imported fossil-based silicas.
Notably, this bio-based product brings viscosity and cure time profiles comparable to established fossil-derived benchmarks. Tear strength, tensile properties, and dynamic loss factors stay on spec, allowing for direct substitution in all but the most critical racing and aviation applications. Several large tire customers noted reductions in silanization time, translating directly to throughput gains.
After years spent troubleshooting dust collection, inconsistent batches, and failed compound trials, we’ve learned that the source and structure of silica matter far more than many spec sheets suggest. A high-bio-content silica isn’t just about an eco-label; it tangibly shifts the carbon intensity of end-products. For global tire makers preparing for incoming EU deforestation and carbon laws, running 20-30% BIO-RHASIL EV2165 in a typical compound turns that regulatory burden into a sales advantage. Customers reported clear documentation of bio-content verified by third-party mass balance audits—no greenwashing, no vague “sustainable” branding.
Mixing experts told us for years about the practical headaches introduced by inconsistent moisture load, off-spec pH, or persistent grit. The BIO-RHASIL EV2165 process delivers lower impurity levels, which means fewer stoppages for filter changes and quicker cleanout cycles on high-shear mixers. Unlike generic silicas, our production avoids metallic trace residues found in furnace or pyrogenic grades, protecting downstream elastomer properties without offsetting compounding costs.
Bulk density calibrates for open phase and closed mixer lines, so lines using automatic silane charging systems see less caking and more accurate dosing. In high-shear twin-screw extrusion, line operators achieve higher fill factors before torque limitations stop production. This means less downtime attributed to inconsistent bulking.
While tire and technical rubber dominate the discussion around silica, our chemical engineers found strong market pull from footwear manufacturers, conveyor belt producers, and specialty hose businesses. For these segments, resilience to flex fatigue and crack growth resistance often outweigh raw modulus or tensile values. Here, BIO-RHASIL EV2165’s controlled porosity directly benefits final product durability.
Color-critical applications also show preference for this series. Unlike silicas with unpredictable hue and trace ash, the optical brightness of EV2165 consistently measures above 95 on the reflectance scale. Producers of transparent, white, or lightly tinted goods rely on this repeatability to hit strict QA benchmarks, especially for sports and outdoor goods—the difference between passing a visual inspection or scrapping a full batch.
Some years back, our plant ran almost exclusively with standard precipitated silica recipes. Customers returned a steady stream of feedback—some batches ran fine, others forced hours troubleshooting viscosity swings or color drift. After installing higher-fidelity analytics and revising feedstock tracking, we saw that variance in agricultural residue sources needed tighter control. Now, the input biomass gets a multi-stage screening, and the resulting silica undergoes thermal stabilization steps that fix surface chemistry and hydroxyl levels. As of 2023, our lot-to-lot variance runs under 2%, sharper than most fossil-based global suppliers.
Throughout this transformation, we kept lines open to our compounding and technical teams. Rubber technologists routinely visited, running “trial by fire” blends to test real-world impact. Feedback led to the dual-layer packaging solution, keeping atmospheric moisture from spoiling batches during long-haul transport. This kind of responsive engineering rarely makes it into marketing slides, but it’s critical for manufacturers who put process uptime above all else.
Many regulations now demand published percentages of renewable content, confirmed by chain-of-custody and mass balance systems. For EV2165, every sales order ships with full LC/MS and FTIR certificates, plus carbon sequestration data for each batch. Down the line, compounders and QA leads can slot those findings directly into their EcoVadis or ISO 14067 carbon accounting systems. This isn’t future-proofing in the abstract—it’s day-to-day paperwork reduction and frictionless compliance.
In markets where technical support makes or breaks adoption, our service team shares finished formulation guidance rooted in direct plant runs. Instead of dropping a raw material and leaving a customer to trial-and-error their compounds, our tech staff shares models for mixing sequence, cure time adjustment, and post-cure optimization. This approach comes from first-hand experience with seasonal, feedstock-driven swings that a lab test alone can’t predict.
Despite the advantages, bio-based silica does not suit every possible compound in the world. For ultra-high temperature curing or specialized electronic elastomers, some fossil-silica grades still offer reliability not yet matched by bio-derivatives. We work closely with application engineers to pinpoint settings where EV2165 should replace legacy grades—and where a transition might require further technical work. Our approach avoids blanket promises and aims for measurable, long-term switching success.
We found that some mixing systems designed for ultra-fine, hydrophilic silicas needed minor hardware upgrades to move smoothly over to EV2165. Early adopters shared where they saw filter clogging or unexpected moisture retention in closed pneumatic systems. These findings inform both our QC strategy and technical guidance, so customers moving to bio-silica don't walk into unplanned downtime.
Day-to-day performance sits at the heart of the decision to switch grades of silica. Side-by-side trials revealed that our bio-silica confers higher wear resistance in a set of car and truck tread formulations, matching the best fossil-based equivalents while offering a 25-40% reduction in embodied CO2. PAR (Payback Adjustment Ratio) calculations for large buyers show that after only four quarters of blending, overall value—factoring in both regulatory and operational cost savings—outpaces most low-bio or “partially green” silicas presently offered in the market.
On the environmental front, our production processes reuse water and energy streams, cutting not only GHG emissions but operational overhead—real, on-the-ground changes, not just numbers in a press release. Our plants deliver verifiable, independently audited lifecycle data so customers can report honestly to regulators and their own corporate boards.
Long after the initial delivery, our team maintains support channels for process optimization and troubleshooting. From impeller design recommendations to compounding sequence enhancements, the continual back-and-forth with customers becomes the real determinant of Bio-Rhasil’s reputation in the field. Several tire and industrial hose manufacturers note that our hands-on engineering support solved sequencing bottlenecks that off-the-shelf fossil silicas introduced.
Feedback cycles prompt us to adjust everything from source selection and calcining temperature to final packaging. Failures and complaints, rare but instructive, feed back into our Six Sigma and Lean manufacturing programs. One recall incident prompted modifications in our dust suppression system, significantly improving operator safety and reducing environmental releases.
There’s plenty of talk in the market about biogenic silica, but reproducibility rarely matches lab data until the scale passes a few thousand metric tons. Our line managers tracked step-changes in yield and surface area degradation as we scaled up, rewriting process control algorithms and tightening batch controls. As of the last three annual audit cycles, our bio-silica achieved yield loss rates below 3% and product consistency that keeps most tire QA directors coming back. Site visits from global OEM clients often end with side-by-side comparison trials, conducted directly in our QA rooms, building trust beyond a sample test or data sheet.
The road forward suggests increased integration of digital quality tracking and feedforward process control, especially as feedstock diversification expands. We invest in pilot lines that test alternate crops and residues, aiming to further reduce environmental impact while expanding product capabilities. Customers have expressed interest in grades tailored more tightly to specific dynamic property targets—work that our R&D lab continues to drive, with full input from both compounders and production engineers.
BIO-RHASIL EV2165 is the product of years of process refinement and hard-won experience. As regulatory, environmental, and cost pressures mount across tire, hose, and technical rubber markets, this bio-based silica positions manufacturers to meet stricter eco-label and reporting rules, but without losing ground on the properties that actually drive rubber performance. Our work in the plant integrates directly with the daily pressures faced by industrial clients—no empty promises, just deliverable, measurable advancements that meet the pace and rigor of modern supply chains.
As more manufacturers face the reality of low-carbon mandates and end-customer scrutiny, practical, high-bio-content alternatives like EV2165 won’t remain niche for long. We stand ready to help production teams transition, overcome the unforeseen hurdles, and anchor these improvements into their standard manufacturing runs.
