SiO2.nH2O

ITEM:
SiO2 (%): more than 90%
Loss on heating (%):3.0-8.0
Loss on Firing 10000C 2h: 3.0-6.0
PH: 5.5-7.5
DBP absorption value(cm3/g): 2.0-3.5
BET M2/g: 145-260
Fe mg/kg: < 500

Character: White Amorphous Superfine Powder, Molecular formular: SiO2.nH2O, Molecular Weight: 60.08, Relative Density: 2.32-2.65, Melting Point: 1750℃, a low density, soluble in caustic soda and hydrofluoric acid, insoluble in other acids, water and solvent, high temperature resistant without combustion, a good water absorbability and electrical insulation

USAGES: White black carbon is mainly used for rubber industry. It works as rubber reinforcing filler and thickening agent.

PACKAGE: 15kg pp bag, 20MT/20 FCL

Payment Terms: T/T, L/C at sight
Delivery Time: shipment within 15 - 25 days after receipt of advance payment or original L/C.