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HS Code |
571598 |
| Chemical Name | Active Silicon Dioxide |
| Cas Number | 7631-86-9 |
| Molecular Formula | SiO2 |
| Molecular Weight | 60.08 g/mol |
| Appearance | White powder |
| Purity | Typically ≥99% |
| Ph 4 Solution | 6.0 - 7.5 |
| Specific Surface Area | 150–600 m²/g |
| Particle Size | <20 μm (can vary with grade) |
| Moisture Content | ≤ 7% |
| Solubility In Water | Insoluble |
| Melting Point | About 1710°C |
| Odor | Odorless |
As an accredited Active Silicon Dioxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Active Silicon Dioxide is packaged in a sealed 25 kg high-density polyethylene (HDPE) bag, labeled with product name and safety information. |
| Shipping | Active Silicon Dioxide is securely packed in 25 kg or 20 kg multi-layer kraft paper bags with inner plastic liners to prevent moisture ingress. The chemical is shipped on pallets or in bulk containers, clearly labeled, and stored in a dry, cool area, away from incompatible substances. Handle with standard chemical safety protocols. |
| Storage | Active Silicon Dioxide should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids or alkalis. Protect it from physical damage and avoid contact with organic materials. Storage areas should be clearly labeled, and the chemical should be protected from sources of ignition and excessive dust generation. |
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Purity 99.9%: Active Silicon Dioxide with 99.9% purity is used in microelectronics fabrication, where it ensures minimal contamination and high circuit yield. Particle size 10 nm: Active Silicon Dioxide with 10 nm particle size is used in polishing slurries, where it provides ultra-smooth surface finishes in semiconductor wafers. Melting point 1725°C: Active Silicon Dioxide with melting point 1725°C is used in high-temperature refractory coatings, where it maintains structural integrity under thermal stress. Surface area 400 m²/g: Active Silicon Dioxide with 400 m²/g surface area is used in catalyst supports, where it enhances active site dispersion for improved catalytic efficiency. pH stability range 2–11: Active Silicon Dioxide with pH stability range 2–11 is used in cosmetic formulations, where it maintains suspension stability over a wide pH range. Hydrophobicity grade high: Active Silicon Dioxide with high hydrophobicity grade is used in paint additives, where it improves water resistance and coating durability. Spherical morphology: Active Silicon Dioxide with spherical morphology is used in chromatography columns, where it enables efficient analyte separation and reproducibility. Thermal stability 1000°C: Active Silicon Dioxide with thermal stability up to 1000°C is used in insulation materials, where it provides long-term insulation performance at elevated temperatures. BET surface area 320 m²/g: Active Silicon Dioxide with BET surface area 320 m²/g is used in rubber compounding, where it increases mechanical reinforcement and tensile strength. Bulk density 0.3 g/cm³: Active Silicon Dioxide with bulk density 0.3 g/cm³ is used in plastics processing, where it improves filler dispersion and reduces final product weight. |
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Active Silicon Dioxide, commonly known as precipitated silica, has become something of a backbone ingredient in many industries—especially as manufacturing leans toward higher-quality, more efficient materials. The model we're exploring today, ASQ-150, has shaped my view on what a well-designed additive can do. In personal work with rubber compounding and coatings, the results speak for themselves: products gain a new degree of performance without upending familiar processes. This is not about chasing the promise of “innovation for innovation’s sake” but delivering a genuine upgrade to production lines and final products.
ASQ-150 features a fine particle size averaging around 8 microns, with whiteness levels over 95% and an SiO2 content that reliably exceeds 98%. I’ve worked with plenty of additives, and these specifications separate Active Silicon Dioxide from fillers that only pad volume or stretch the binder. It comes with a pH in the neutral range, usually around 6.5 to 7.0, which reduces interactions that can cause discoloration or unwanted reactions in sensitive formulations. The oil absorption capacity hovers near 180 ml/100g, making it a strong fit for products that rely on well-balanced physical properties—like tire treads that need both flexibility and grip, or shoe soles expected to handle rough pavement without breaking down.
My first experience with Active Silicon Dioxide wasn’t in a high-tech lab—it was on an aging compounding line for automotive rubber. Older materials left us with articles that wore out far too quickly and turned yellow before hitting the shelves. Once we made the switch to this grade, the improvement in both lifespan and brightness was obvious. Rubber goods held their integrity even under stretching and abrasion. The beauty of this material shows up not only in black-and-white tests but in finished products handled daily by workers and consumers alike.
Active Silicon Dioxide always finds a chair at the table in rubber and plastic production. Mixers appreciate it for the way it disperses quickly in natural rubber and SBR batches. In tire factories, operators have noticed sharper wet traction, rolling resistance that drops just enough to tick the fuel efficiency box, and better aging properties. We’re not just talking tires, either; shoe makers get lighter soles that still bounce back and don’t crack on long shifts. Paint and coatings specialists, including myself, value its ability to flatten high-gloss products into workable matte finishes—no complex workarounds necessary. The silica can bulk up coatings without serving as mere inert dust. Adhesive applications see bond strengths improve, especially hot melts, where silica delivers body with none of the slumping that plagued older systems.
Plenty of people who haven’t used Active Silicon Dioxide wonder if it’s really any different from regular silica or amorphous fillers. Having actually switched between these types in practice, the contrast is obvious. Ordinary silica often clumps, making batch-to-batch quality tough to control. Its lower surface area fails to interact fully with polymer chains. ASQ-150, by contrast, brings higher activity thanks to its larger specific surface area—over 160 m²/g on average—which directly translates to enhanced reinforcing power. The resulting polymers boast improved mechanical strength, whether you’re stretching them in a textile mill or pounding them on a production line.
Some brands go cheap with ground silica or even fly ash derivatives, thinking the savings on raw materials will compensate. Experience shows the opposite: those fillers underperform under heavy-duty use. In one line of sports shoe outsoles, the switch to Active Silicon Dioxide cut complaints about sole breakdown by more than half, all while letting us cut back on processing oils.
Silica dust is notorious for clogging filters and making a mess. I’ve dumped enough bags into high-speed mixers to know the struggles of poor flowability, which slows everything down and contaminates the workspace. ASQ-150 comes in bead or microgranular forms that pour out smoothly and don’t drift in the air as much as old powders. That keeps health and dust management in a safer zone. Handling improvements shave hours off total line downtime by clearing up bag changes and mixer cleaning. This smoother feed pays off in fields that scale up rapidly—like startup plants or fast-moving construction materials that don’t have time for production hiccups.
Any efficient factory needs steady results from additives. In cosmetics, for example, users rely on ASQ-150 to stabilize creams and powders without introducing grittiness or unwanted color shifts. The ultra-white grade helps maintain a crisp look in paints and coatings, which is tough to match with industrial-grade silica. Consistency is not a wish but a need. Reputable suppliers publish batch records and invest in quality controls, offering peace of mind to businesses facing tight deadlines and tough customer standards.
Manufacturing trends move toward lower-emission processes and safer workplaces. Traditional silicas with high dust levels increase health risks for operators and cost more in filtration and ventilation. ASQ-150, with its microgranular or dust-reduced forms, reduces airborne exposure during mixing and bag breaking. Lower moisture content also means less risk of caking in storage, which was a chronic headache at my first job in a plastics compounding plant. Fewer plant interruptions lead directly to lower energy use and less waste disposal.
Many suppliers push the narrative that all silica fillers behave passively in a mix. Actual results tell a different story. Active Silicon Dioxide interacts with binder systems, changing viscosity and reinforcing the final item. In adhesives, for example, the product keeps assemblies from creeping apart under heat or load—something fillers like talc or calcium carbonate don’t handle as well. Electrostatic charge properties also matter for powder products, which helps keep things stable on warehouse shelves or in transit.
Take a close look at green tire technology. Fuel-efficient designs become possible due to careful tweaking of filler systems. Using ASQ-150, engineers have been able to lower rolling resistance, which saves drivers real money at the pump without trading off grip on wet roads. Tire tread life sees a clear jump, making this additive more than just a box on a formulation chart. These changes are more than incremental—they build the bridge between classic tire compounds and the next generation, ready for electric vehicles and tougher performance tests.
Polypropylene and polyethylene producers often run up against the limits of their base resins. By working with ASQ-150, I’ve watched brittle parts become less likely to snap under flex or impact. Improved scratch and abrasion resistance lets packaging companies ship with confidence, knowing products arrive looking new, not battered from transport. The anti-blocking effect helps with film manufacturing, letting films separate easily in packaging or lamination, so customers spend less time on rework.
Artists, contractors, and furniture finishers care about how a surface looks and holds up over time. Active Silicon Dioxide distributes pigment more evenly, giving paint a fuller appearance and stopping “flashing” or uneven sheen. Whereas older fillers would lead to soft, scuff-prone films, ASQ-150 manages to beef up the resin components without making coatings chalky. Higher scrub resistance makes interior and exterior surfaces stand up to repeat cleaning or the grit of daily life.
My experience in the coatings industry taught me that customers rarely ask about the silica itself—they notice only if a wall finish weathers poorly or a color fades fast. Using this additive lowers the odds of callbacks or warranty work, an unglamorous but real part of running a small painting business.
The home care and wellness sectors increasingly depend on non-toxic, safe ingredients for kitchenware, baby products, and cosmetics. ASQ-150 scores here as well. Its high purity and lack of heavy metal residues make it suitable for toothpaste, face powders, and even food contact items, provided it meets regulatory guidelines. In daily household goods such as shoe polishes and scouring powders, it delivers a mild abrasiveness that cleans without scratching. Countless families benefit, even without realizing silica is at work.
I often get asked if the jump to a better silica pays off in the numbers. From startup plants to established multinational operations, reducing scrap rates, warranty returns, and machine downtime results in immediate savings. While ASQ-150 carries a slightly higher upfront cost than lower-grade options, its performance stretches the mix, reducing the total binder or resin required. Some paint companies I worked with cut their pigment costs by improving color development with this silica, turning an advanced filler into a source of margin rather than a drain. More efficient use of raw materials means less environmental impact, which in turn satisfies increasingly strict industry guidelines without painful business adjustments.
Sustainability isn’t a separate concern; it’s woven into product development. Modern Active Silicon Dioxide production involves lower energy steps and reduced emissions as compared to fuming silica or older precipitation methods. Safer handling cuts the environmental footprint of shipping and storage. As regulations tighten, manufacturers using ASQ-150 adapt faster than competitors stuck with outdated fillers, keeping them a step ahead on both compliance and cost.
No company thrives by ignoring the people that make and use their goods. Over the years, I’ve watched shop-floor complaints about “dusty mixing days” all but vanish once production switched to ASQ-150, especially in high-use environments like footwear or gasket lines. Beyond worker health, the improved consistency in products leads to fewer field failures. This keeps both customers and teams happier, fostering loyalty that goes beyond the quarterly numbers.
The deeper I got into formulation work—particularly in adhesive and plastics plants—the clearer it became that not all fillers offer the same value. Smart use of Active Silicon Dioxide shapes formulas for better tensile strength and elongation at break. For DIY paint shops, that means fewer customer returns. For sealant installers and flooring contractors, it translates to joints and surfaces that last longer under stress and in changing weather. It’s a modest ingredient with an outsized influence on performance, one often overlooked in the rush to market.
No material is perfect. I’ve faced hurdles with initial dispersion in high-viscosity batches, where bulk additions of ASQ-150 threatened to clump before mixing fully. The solution came in gradually staging the silica addition, allowing for more uniform blending. Earlier, some colleagues worried that active silica would “thicken” pastes excessively. Foaming agents or adjusting the shear rate in mixers usually balances things out. Occasionally a new customer tries to substitute standard silica in cost-saving attempts, always leading to quality setbacks that prompt a quick return to the right material.
Sometimes, storage in humid locations leads to caking, a problem eased by storing bags off concrete and in dry rooms. Silica is not a “set and forget” ingredient, but managed correctly, it delivers predictable, top-tier results.
Active Silicon Dioxide’s future looks bright, especially as companies demand more out of their raw materials. Ongoing research into even higher surface area variants, along with surface treatments to improve compatibility with new polymers, promises new gains in performance. My own background in process troubleshooting suggests that plant managers and lab chemists should stay alert for advances, as the next evolution could unlock yet more value from the same manufacturing assets.
For any operation serious about stepping up its product quality while managing both costs and compliance, switching to an advanced silica isn’t just an “upgrade”—it’s a way to build resilience and future-proof the business against stiffer market and regulatory demands. At every turn, firsthand experience and reliable feedback show that materials like ASQ-150 do much more than fill space; they help turn raw concepts into finished goods that actually deliver for end-users, day after day.