Min. Order Reference FOB Price
2 Tons Negotiable
Product Description
Fumed silica, Hydrophobic type:R649 same as AEROSIL R972 Hydrophilic fumed silica by DDS (dimethyl dichloro ) treatment Specific surface area(BET): 110+-20 m2/g PH:3.6-4.5 SiO2:99.8% min Average primary particle size:12 nm Moisture:1.5% max Bulk density:50 g/l Loss ignition:2.0% ...