Physical Properties
SiO2(dry basis)% : ≥ 90
Loss on heating %, lasting 2 hours at 105oC : 4.0-8.0
Loss on ignition(dry basis) 1000oC lasting 2 hours : 3.0-6.0
PH Value : 6,5 – 7,5
BET Spesific Area : 200-260
DBP Absorption, cm 3/g : 2,8-3,5
Iron mg/kg : < 500