China Supplier Wholesale Precipitated Hydrated Silica for Tire White Carbon Black, Find details about China Hydrophilic Silica, Hydrophobic Silica from China Supplier Wholesale Precipitated Hydrated Silica for Tire White Carbon Black
Items | HCP 120 | HCP 160 | HCP 180 | |||
Appearance | Powder/Micro-pearl/Granule | Powder/Micro-pearl/Granule | Powder/Micro-pearl/Granule | |||
BET specific surface area m2/g | 110-130 | 150-170 | 170-190 | |||
Silica(dry basis) % | ≥ 96 | |||||
Heating loss (105°C) % | 4.0-8.0 | |||||
Loss on ignition (1000±25°C)% | ≤7.0 | |||||
PH-value(10%aqueous solution) | 5.0-8.0 | |||||
DBP Oil Absorption Value cm3/g | 2.0-3.5 | |||||
45um sieve Residue % | ≤ 0.5 | |||||
Soluble salt (Na2SO4)% | ≤ 1.5 | ≤ 1.5 | ≤ 2.5 | |||
Cu mg/kg | ≤ 30 | |||||
Mn mg/kg | ≤ 50 | |||||
Fe mg/kg | ≤ 1000 | ≤ 1000 | ≤ 500 |