Precipitate Silica

We are offering our customers a wide range of Precipitate Silica. These Precipitate Silica is applied in rubber products to increase tensile strength, elasticity and lancination strength.
Application range: Tire, rubber covered roll and other rubber products.
Specification Precipitate Silica Powder SN-175 Granular
Appearance white powder white granule
Heating loss(105A C) % 4.0-7.0 4.0-7.0
Loss on ignition(1000A 25A C) % 4.0-6.0 4.0-6.0
SiO2(content) % a Y 92 a Y 92
PH value 6.5-7.5 6.5-7.5
Fe2O3 mg/kg a 300 a 300
DBP oil factor cm 3 /g 2.0-3.0 2.0-3.0
45Au m Residue on sieve % a 0.1 a 0.1
BET specific surface area m 2 /g 165-185 165-185
Na2SO4 % a 1.5 a 1.5
Residue on sieve(200 meshes) % - a Y 90
Residue on sieve(40 meshes) % - a Y 80
Compacted