| HS Code | 613499 |
| Product Name | SIPERNAT 310 / 320 DS / 350 |
| Chemical Composition | Synthetic Amorphous Silica |
| Appearance | White powder |
| Specific Surface Area Bet M2 Per G | 600 - 800 |
| Ph 4 Percent Suspension | 6.0 - 8.5 |
| Loss On Drying Percent | < 7.0 |
| Sieve Residue 63 Microns Percent | < 0.05 |
| Sio2 Content Percent | > 99.0 |
| Moisture Content Percent | < 7.0 |
| Oil Absorption Cm3 Per 100g | 230 - 290 |
| Bulk Density G Per L | 50 - 90 |
As an accredited SIPERNAT 310 / 320 DS / 350 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | SIPERNAT 310 / 320 DS / 350 is packaged in 20 kg multi-layer paper bags with polyethylene inner lining for protection. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for SIPERNAT 310 / 320 DS / 350: 16000 kgs packed in 400 kg jumbo bags, palletized. |
| Shipping | SIPERNAT 310, 320 DS, and 350 are typically shipped in multi-layer paper bags, each weighing around 10 to 20 kg, or in larger bulk packaging such as big bags or silo trucks. Shipments are secured to prevent moisture exposure and comply with standard regulations for non-hazardous, industrial-grade silica products. |
| Storage | SIPERNAT 310 / 320 DS / 350 should be stored in a cool, dry, and well-ventilated area, away from moisture, acids, and incompatible substances. Containers should be tightly closed to prevent contamination and dust dispersion. Avoid direct sunlight and sources of ignition. Ensure proper labeling and handle with care to minimize dust formation and inhalation risks. |
| Shelf Life | SIPERNAT 310, 320 DS, and 350 typically have a shelf life of 24 months when stored unopened in dry conditions. |
SIPERNAT 310, 320 DS, and 350 are synthetic amorphous silicas used in varied industrial sectors due to their consistent particle structure, high absorptive capacity, and precise functional performance in demanding processing environments. The following sections outline key downstream sectors utilizing these grades with detailed application details from a chemical raw material manufacturer's perspective.
High-purity forms of these silicas serve as free-flow and anti-caking agents during tablet, capsule, and powder filling lines. Their specific particle morphology supports controlled flow and uniform die fill, ensuring consistent drug content in each unit. Material purity and trace metal limits must comply with strict pharmacopoeial requirements. Process integration typically occurs at the dry blending stage or during wet granulation, with care to prevent silica aggregation that could impact downstream compression. End customers benefit from smoother tableting operations, consistent particle counts in capsules, and improved storage stability for moisture-sensitive actives.
Industry compliance standards
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The food sector uses these grades as flow aids in powdered ingredients, flavor carriers, and anti-caking agents in spices and instant beverage blends. Their high surface area supports controlled absorption and release of liquid flavors or oils without oiling out or clumping during packaging and storage. Processors add them during dry mixing after bulk ingredient pulverization, ensuring even distribution. The high purity of these silicas meets JMFA, European and US regulatory requirements for food contact substances.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
In rubber compounding, these silicas enhance reinforcement properties, improve extrusion stability, and increase abrasion resistance in both tire and non-tire applications. Silica is added at precise stages, often through masterbatch mixing or internal mixer addition, to regulate viscosity and final hardness. The precise particle size and high purity limit the risk of unwanted side reactions and ensure good dispersion, meeting requirements in technical rubber—for example, in automotive and wire-and-cable insulation.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
In paints and coatings, SIPERNAT grades function as matting agents, scratch resistance boosters, and rheology modifiers, addressing specific gloss levels and stability requirements. They enter the formulation after pigment dispersion but before final letdown, ensuring consistent flatting and anti-settling effects. These silicas help control viscosity in solvent-based and waterborne systems, while maintaining compliance with globally recognized coatings regulations and minimizing volatile compound release in the end use.
Industry compliance standards
Typical usage ratio
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SIPERNAT silica grades function in the pulverization and anti-caking of powdered agrochemicals, as flow aids in WP (wettable powder) pesticide and microgranule fertilizer manufacturing. Their addition ensures consistent dosing and dispersion in seed treatments and direct soil applications. Material features such as surface area and oil absorption aid in carrying liquid actives within solid formulations. Processors typically add them during the milling or dry blending phase, often before granulation or compaction, to achieve downstream stability and flow.
Industry compliance standards
Typical usage ratio
Downstream process integration
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Manufacturers use these silica grades to improve powder texture, flowability, and free-runnability in detergents, scouring powders, and cosmetic face powders. Enhanced oil absorption properties also support fragrance retention in laundry powders and odor control blends. Process addition occurs during pre-mixing and before spray drying, with ongoing QC for speck-free dispersion. Only food and cosmetic regulatory-grade silica meets the highest safety and purity requirements for personal care use.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive SIPERNAT 310 / 320 DS / 350 prices that fit your budget—flexible terms and customized quotes for every order.
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We’ve spent decades producing tailor-fit silica that makes a difference on factory floors and in finished products. SIPERNAT 310, 320 DS, and 350 have grown from steady investments in process and constant feedback from customers demanding reliable, high-functioning carriers, flow aids, and additives. As the manufacturer, we see where these grades stand up to rough handling, tight schedules, and strict end-use requirements.
SIPERNAT 310 shows dependable performance as a carrier silica and flow enhancer across feeds, home care, rubber, and many chemical blends. Its particle structure maintains free-flowing powder mixes, even in humid or high-speed production. This isn’t just theoretical; operators regularly see shorter downtime thanks to SIPERNAT 310’s consistent bulk density and strong absorption capacity, which helps absorb liquids without forming sticky lumps.
Bulk density, careful manufacturing, and stable particle size distribution minimize dust and handling problems that can disrupt batch processes. We’ve run it through pneumatic lines and high-shear mixers, and it stands up—customers rarely deal with unexpected caking. Choosing the right carrier means reliable downstream mixing, minimal segregation, and a smoother finish for finished goods. SIPERNAT 310 hits the mark for these needs.
Some production lines call for a silica that can hold heavier loads without sacrificing ease of handling. SIPERNAT 320 DS carries a high oil absorption profile and a strong structure that manages more aggressive liquid and active ingredient blends. The grain holds up through mixing, pouring, and storage, so powders treated with 320 DS flow easily, even as loads increase.
320 DS prevents bridging and clumping in hoppers or feed systems where fine margins between blockage and flow can cost hours in lost production. We developed this grade with feedback from bulk blenders, pesticide formulators, and plastics makers who require silica to remain neutral—letting the main ingredients shine without interfering in key reactions or colors. Its double strength refers not just to absorption capacity, but to persistence through demanding mechanical and chemical environments.
SIPERNAT 350 stands apart for high porosity, offering a large surface area for ingredient delivery and release. We hear the most praise for 350 from formulators working with sensitive, volatile, or hard-to-dissolve actives. The porous grains can absorb tricky oils and extracts—a real advantage for agricultural wettable powders, detergent tablets, and flavor or fragrance encapsulation.
Where other carriers give out under pressure, SIPERNAT 350’s robust pores keep working, holding oils or other actives until the point of use. The structure supports controlled release in several applications, especially where users want a delayed or temperature-triggered effect. This trait comes from years of refining heat treatments and silicate sources, listening to feedback from product development labs where new generations of powdered blends keep raising the bar on loading and release requirements.
Producers have a front-row seat to how each silica grade performs beyond test data. Many clients try to squeeze every advantage from an additive, but the limits often come down to granular structure, moisture tolerance, and ease of dispersal in fast-moving lines. SIPERNAT 310 fits formulations that need a steady, general-purpose carrier and anti-caking agent—easy to blend, forgiving on most mixing lines, and less likely to throw operators a curveball with unexpected clumping.
320 DS heads into jobs where the load challenge is tougher. Hot-melt adhesives, pesticide dusts, and certain polymer additives demand high absorption but also resistance to breakdown during long-term storage. This grade survives aggressive rotary drum or fluid bed processes that grind up weaker silicas, so the final product matches lab trials batch after batch.
350’s signature feature is its open pore structure, which creates room for higher loading of low molecular weight or volatile components. Lab techs and mixers appreciate how the powder quickly takes up thin oils and extracts, avoiding sticky hands or wasted raw material. The blend handles not only the volume but also keeps actives stable for months. For sensitive flavors or heat-triggered chemical reactions, consistent pore size and purity make all the difference.
Most of our chemical users aren’t concerned about silica’s molecular structure—they want dust-free handling, predictable performance, and smooth product flow. SIPERNAT 310 routinely sees use in dry mixes—spices, food powders, vitamin tablets—where uniform flow and moisture resistance matter as much as absorption. Its robust particle size keeps it out of the air and on the line.
320 DS responds to demanding industrial clients, like fertilizer blenders and pest management companies, who can’t afford downtime or inconsistent blends. Its capacity for heavy liquid loads means essential oils, plant extracts, or lubricants disperse evenly through large-scale batches. Rubber compounders and plastic producers trust the consistent performance to keep extruders and presses humming instead of jamming on clumped powders.
350 stands in its own technical league. R&D chemists select it for targeted release profiles in high-end cleaners, plant protectants, and nutrient blends. Because 350 holds and releases sensitive actives so reliably, less raw material is wasted, and field performance improves. Customers have told us that SIPERNAT 350 enabled product launches that would have failed with denser, less porous carriers.
Anyone running a chemical plant knows the real cost of downtime from clogged hoppers, sticky feeders, or poor powder flow. Silicas like SIPERNAT 310, 320 DS, and 350 are silent partners—working behind the scenes to keep every part of the line moving, from the weigh-in to final packaging. We’ve heard from mixing supervisors and operators who used to clean stuck powder out of feeders two or three times a shift. Integrating one of these grades can mean that cleaning drops to once a day, or even less. Every hour saved translates to higher yields.
We keep our own lines running with these same materials under tight QA protocols. Our in-process checks on bulk density, moisture, and absorption don’t just make sense for our warehouse—they often mirror what our clients demand at their own plants. In conversations with technical managers, the same points come up: less downtime, greater batch-to-batch consistency, fewer headaches with clumping or settling, and better margins at scale.
Customer trials and feedback loops guide improvements to these silicas. For example, a European detergent factory swapped over to SIPERNAT 310 across four production lines and reported not only cleaner mixers but also more accurate dosing. Because the powder doesn’t stick inside augers or batchers, dosing systems delivered closer to target weights, reducing rework. In rubber compounding, using SIPERNAT 320 DS meant a critical reduction in curing defects, with fewer inclusions and more predictable mechanical properties in the finished parts. Our in-house research and ongoing pilot plant projects often validate what users experience—reduced labor costs, improved lot yields, and stronger product performance in the field.
Technical teams collecting real-world data find fewer off-spec batches where SIPERNAT 350 replaces cheaper, denser silicas in colorant or flavor encapsulation. Release timing and active content show tighter tolerances, which plays out in better customer feedback for the finished goods. These improvements don’t happen in isolation; they start in the manufacturing plant where consistency, not just advertised performance, keeps contracts and repeat business coming through.
The journey from our plant to a customer’s blender or granulator can be rough—temperature shifts, storage humidity, and bulk transport abuses weak granules. SIPERNAT 310, 320 DS, and 350 were designed with ruggedness in mind. Each grade keeps its absorption and flow properties from bulk bags all the way to the point of use. We’ve shipped to hot and damp climates, and the material arrives ready to use, running smoothly through feeding and metering systems.
Plant managers value this predictability. Reduced need for anti-clumping agents or emergency downtime means a more focused, efficient workforce. Operators don’t just notice easier cleanouts, but fewer airborne particles and spills near feeder mouths, making for a safer, cleaner work environment. Logistics teams appreciate that each ton of silica performs exactly as the last, removing the guesswork from procurement and inventory planning.
We hear directly from formulating chemists, operators, and technical buyers who confront new challenges: faster cycle times, higher liquid loads, regulatory hurdles, and ever-shrinking error margins. Each improvement in SIPERNAT 310, 320 DS, and 350 has begun with the question, “What’s it like on your line?” From tweaks to particle size for smoother flow, to stability studies in challenging formulations, we pull every lever in production and testing to keep these silicas predictable and robust.
On-site technical service and regular plant audits allow us to catch problems early. If a batch throws a surprise—a slightly higher moisture load from a humid transport, or a shift in particle distribution—our teams visit customer sites, run parallel blending trials, and take back insights to the plant floor. This cycle of feedback and process improvement turns daily production into long-term partnership and innovation.
Choosing between SIPERNAT 310, 320 DS, and 350 isn’t just about absorption or bulk density tables. Plant needs vary: one blender may fight constant bridging at the feed bin, while another struggles with incomplete liquid dosing. The choice often comes down to three questions: How much liquid must the powder carry without leaking or sticking? Will storage and handling conditions stress the material? And, does downstream processing—dry blending, mixing, or pressing—punish weaker carrier grains?
SIPERNAT 310 keeps powder blends lightweight and easy to transport. Many use it in seasonings, feeds, and powder cleaning agents—especially where downstream packaging depends on smooth pouring and dust-free handling. It takes up moderate loads, holding liquids tightly enough to prevent pooling but not so strongly that they can’t release into the finished blend.
For customers who routinely push the limit on carrier loads, 320 DS serves well. Its structure locks in oilier or higher-viscosity liquids, like lubricants, plant extracts, or concentrated actives. Bulk transport, storage, and multiple transfers don’t cause cake formation or breakdown, so by the time the material reaches final blending, it’s in the same condition as when it left our site.
SIPERNAT 350 shifts the advantage further, especially for new product development with performance claims around controlled release or actives protection. The porous structure sets it up for advanced formulations in agriculture, cleaning, and personal care. Companies value the reliability of actives delivery—even under stress from temperature swings or humidity.
Producing silica for high-spec sectors brings regulatory pressure. We ensure all grades comply with current purity, labeling, and documentation demands, confirmed by routine lab validation and independent audits. Our plant follows strict HACCP, GMP, and traceability protocols. Where needed, we back up claims with full technical files and batch records. That support makes a difference for users fighting their own regulatory audits, and our internal systems provide fast answers to any quality or traceability question.
End users making feed, food, or pharma products need solid records—not just marketing claims. Every bag, tote, or shipment earns production and testing approval by our QA department, and certified reference samples are kept on-site for years. Our customers often pass their own audits thanks to this backbone of raw data and transparency.
Silica production creates dust, waste, and energy costs—no denying it. As producers, we commit to minimizing this impact wherever possible. Closed-loop recycling of process water, robust dust collection, and energy recovery from calcining and drying all play a daily role in our plants. These investments carry through to lower total costs and a smaller footprint per ton delivered.
Users seek not just technical performance, but assurance of responsible sourcing and long-term supply stability. We offer documentation of supply chain traceability, maintain clear records of raw materials, and submit to outside verification of sustainability improvements. This isn’t about greenwashing—regulatory compliance and customer pressure require progress on every front, and firsthand audits prove where process waste and emissions fall versus previous years.
The differences among SIPERNAT grades go beyond specs; they support the constant push for new products that need better carriers and additives. Teams in our technical application centers run side-by-side trials, collect mixing data, and work up sample batches so users can cut trial-and-error time at scale. Offering small trial lots as well as full loads speeds up the new product pipeline for startups and multinationals alike.
Recent case studies show SIPERNAT 350 allowing launch of slow-release odor control tablets with improved fragrance longevity; 320 DS enabling a bulk pesticide powder to hold more active without clogging expensive filling systems; 310 proving itself indispensable in a restructured detergent line under tight dosing controls. These step changes mean more than incremental gains—they help customers realize business plans and keep the next generation of powder products moving forward.
Producing SIPERNAT 310, 320 DS, and 350 keeps our team focused on long-term relationships, not just single shipments. Each grade reflects years of plant-side know-how and troubleshooting—not every batch runs perfectly, and honest feedback from partners drives every improvement. We maintain close ties with technical, purchasing, and production leads at hundreds of sites, ready to respond if issues come up or new challenges surface.
Having skin in the game means understanding the pressures our users face—from cost controls to on-time delivery to regulatory headaches. Keeping silica consistent, available, and fully documented makes the difference between a supplier and a real manufacturing partner. Every step forward for our silica products’s not driven by lab dreams alone, but by what works on real machines in real factories, day after day.
As the manufacturer of SIPERNAT 310, 320 DS, and 350, our knowledge comes not just from running batch reactors but from troubleshooting with customers, solving flow problems, and supporting launches for companies big and small. We have watched our silicas move from plant trials to global commercial success, one challenge at a time. Trust comes from consistently showing up with quality product, rooted in practical improvements and deep process control. These grades don’t just fill a spec sheet—they solve daily manufacturing challenges, deliver technical edge, and support teams in creating the next wave of powder innovations.