Precipitated Silica
Precipitated Silica
HS Code : 28112200 | CAS NO. : 7631-86-9
Basic Information:
- Chemical Name: Precipitated Silica
- Formula: SiO₂
- Molecular Weight: 60.08 g/mol
- Appearance: White, fine powder
- Odour: Odorless
- Taste: Not applicable
- Solubility: Insoluble in water
Packing Details: • 500 gm HDPE Bottle • 1 kg HDPE Bottle• 5 kg HDPE Bag/Jar • 10 kg HDPE Bag • 25 kg HDPE woven Bag • 50 kg HDPE woven Bag
Storage & Handling
- Store in a cool, dry and well-ventilated area
- Keep containers tightly closed to prevent moisture absorption
- Protect from humidity and contamination
- Avoid excessive dust generation during handling
- Use proper ventilation and protective equipment
Safety
- May cause mild irritation to eyes and respiratory tract
- Avoid inhalation of fine dust
- Use mask, gloves and safety goggles
- Maintain good housekeeping to prevent dust accumulation
- In case of contact, rinse with water
Industry Wise Application
Rubber & Tyre Industry
- Tire Reinforcement:Acts as a key reinforcing filler in “green tires,” improving abrasion resistance, reducing rolling resistance for better fuel efficiency, and enhancing wet grip.
- Industrial Rubber Goods:Used in conveyor belts, hoses, and seals to increase tensile strength, heat resistance, and tear resistance.
- Footwear:Used in shoe soles (especially colored or transparent) to provide durability, lightweight, and high wear-and-tear resistance.
- Silicone Rubber:Minimizes crepe hardening and improves processability in heat-resistant gaskets and tubing.
Oral Care & Cosmetics
- Toothpaste:Serves as a gentle abrasive for cleaning/polishing teeth, a thickening agent, and enables the creation of transparent toothpaste due to its high porosity.
- Cosmetics & Personal Care:Functions as an absorbent in powders, deodorants, and skin-care formulations; it also imparts a smooth, velvety texture in lotions.
Food & Pharmaceutical Industry
- Anti-caking Agent:Prevents clumping in powdered food products like salt, spices, coffee, and powdered drinks.
- Flow Agent:Improves flowability in granular materials and pharmaceuticals, aiding in tablet pressing.
- Carrier:Used to convert liquid active ingredients (like vitamins, lecithin) into free-flowing dry powders.
- Beer Clarification:Used as a clarifying agent in beer manufacturing to remove turbidity.
Coating, Paints & Inks
- Matting Agent:Reduces the gloss of coatings, paints, and lacquers to create matte or satin finishes.
- Anti-settling Agent:Prevents heavy fillers or pigments from settling in varnishes, ensuring uniform application.
- Rheology Modification:Controls viscosity and thixotropy in liquid adhesives and inks.
Agriculture & Animal Feed
- Agrochemical Carrier:Enhances the dispersibility and stability of pesticides, herbicides, and fungicides.
- Animal Feed Additive:Prevents caking in feed, improving its handling, storage, and flowability.
Plastics & Polymers
- Anti-blocking Agent:Prevents sticking in plastic films and sheets.
- Mechanical Enhancement:Increases the rigidity and strength of plastic products.
Other uses
- Fire Extinguishing Powders:Used for moisture protection and ensuring the free-flowing nature of extinguishing agents.
- Paper Industry:Used as a filler to improve opacity and surface properties.
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