China Good Precipitated Silica Industry Grade, Find details about China Hydrophilic Silica, Hydrophobic Silica from Good Precipitated Silica Industry Grade
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 |