PRECIPITATED SILICA
PRECIPITATED SILICA – High-Performance White Amorphous Silica for Industrial and Consumer Use
Precipitated Silica is a white, free-flowing, amorphous form of silicon dioxide (SiO₂) produced through a chemical reaction between sodium silicate and sulfuric acid. It is widely used in various industries, including rubber, plastics, paints, personal care, food, and pharmaceuticals. This product, available in both Indian and imported variants, is supplied in high-purity form with controlled particle size, surface area, and absorption characteristics.
Chemical Properties:
- Chemical Name: Silicon Dioxide (SiO₂)
- Purity: > 98%
- Appearance: White, free-flowing fine powder
- Surface Area (BET): 150–250 m²/g (varies by grade)
- pH (5% solution): 6.0–7.5
- Bulk Density: 0.1–0.3 g/cm³
- Oil Absorption: 200–300 ml/100g
Applications:
- Rubber Industry: Used as a reinforcing filler in tires, footwear, and other rubber products
- Plastics & Polymers: Improves strength, durability, and processing of plastic compounds
- Paints & Coatings: Acts as a matting agent and rheology modifier
- Pharmaceuticals: Used as a glidant and carrier in tablet and capsule formulations
- Food Industry: Anti-caking agent in powdered food products (in food-grade form)
- Cosmetics & Personal Care: Enhances texture and oil absorption in powders and creams
Key Benefits:
- High Absorption Capacity: Excellent thickening, anti-caking, and free-flow properties
- Reinforcing Effect: Improves mechanical properties in elastomers and polymers
- Versatile Functionality: Suitable for use in both technical and consumer-grade applications
- Safe & Non-Toxic: Inert and stable; safe when handled according to guidelines
- Cost-Effective: Reliable performance at competitive pricing
Safety Considerations:
- Handling: Avoid inhalation of dust; use masks, gloves, and protective eyewear during handling
- Storage: Store in a cool, dry place in sealed packaging to prevent moisture absorption
- Disposal: Dispose of in compliance with local environmental and waste management regulations
- Health: Non-toxic, but inhalation of fine dust may cause temporary respiratory irritation