Physicalfeature

Tasteless,non-sand particles and soapy feel

Whiteness

≥90°

Moisture

≤0.1%

Bacteria

Total: 300/g ;Mildew:100 novirus

Acid Undissolved Matters

≤1.5%

Water solubles

≤0.2%

Acidic and basic capacity

Neutral reation

Particle size

≤45μm

Passing 325 mesh sieve

≥99%

Loss on Ignition

≤4.96%

AsPb and other Heavy minerals

None

Fe₂O₃

≤0.2%

SiO₂

≥60%

Al₂O₃

≤0.27%

MgO

≥30.37%

CaO

≤0.3%