Silica content竊�ge;99.8% Specific surface area (BET Method)竊�50±25m2/g and 200±25m2/g PH-value竊�.6節�.5 Carbon content竊�le;0.2% Loss on drying: ≤1.5% Loss on ignition竊�le;2.5% Sieve residue (45μm)竊�le;0.05% Tamped density竊�5節�0g/L Packing: kraft paper bags, 10kg/bag
chinfay AT hotmail DOT com/chinfaycf AT gmail DOT com