Tirupati Industries


Precipitated Silica


Precipitated Silica

We are engaged in offering complete range of Precipitated Silica, which is manufactured as per set industrial standards. Precipitated Silica is widely used in the various applications such as dye & pigments, cosmetic and others due to its excellent chemical and physical properties. Our experts check the range on different parameters such as purity, freshness and accurate composition.

Applications :
  • Filler for Tire
  • Rubber industry
  • Paint industry
  • PVC manufacturing
  • Thermal Insulation products
  • Liquor industry

Packaging Available In :
  • 10 kg
  • HDPE Bag


Specifications (Coated) :

Properties Unit Specified Limit
Appearance - White Free Flow Powder
Moisture Content (105oC, 2 hrs) % 6 max
Bulk Density (Tapped 50) gm/lit 80-120
pH Value (5% aq. Slurry) - 5-7
Oil Absorption Value % 200-250
Si2O2 Content (Anhydrous Basis) % 98.5 min
Carbon Content % 7 0.5
Surface Treatment - Organic
Average Particle Size Micron 8-12

Specifications (Treated) :

Properties Unit Specified Limit
Appearance - White Free Flow Powder
Moisture Content (105oC, 2 hrs) % 0.5 max
Loss on Ignition (100oC, hrs.)(Anhydrous Basis) % 1.5 max
Bulk Density (Tapped 50) gm/lit 80-120
pH Value (4% 1:1 Methanol : Water) - 3.5-4.5
Si2O2 Content (Anhydrous Basis) % 99 min
Soluble Salts (Sulflates + Chlorides) % 0.50 max
Iron Content (As FE+3) ppm 200 max
Average Particle Size (Malvern) D50 Micron 8-12
Behaviour with Water - Hydrophobic