Appearance

White powder or pellet

BET, m²/g

161.0-191.0

Heat Loss(105℃), %

4.0-8.0

Ignition Loss(1000℃), %

Max.7.0

PH Value

5.0-8.0

SiO₂ Content, %

Min.90.0

Fe Content, mg/kg

Max.1000

Na₂SO₄ Content, %

Max. 1.50

DBP oil absorption, cm^3/g

2.00-3.50

Residues on 45µm Sieve, %

Max.0.50