SiO₂ CONTENT

90% MIN.

DBP ABSORB VALUE

2.00-3.50 ML/G

Cu CONTENT (MG/KG)

30 MAX.

Fe CONTENT (MG/KG)

1000 MAX.

Mn CONTENT (MG/KG)

50 MAX.

HEATING LOSS

4.0-8.0%

BURNING LOSS

7.0% MAX.

45μm RESIDUE

0.5% MAX.

PH

5.0-8.0

COLOR

STANDARD SAMPLE

SLITING ELONGATION RATE

675% MIN.