Main Properties of Physical and Chemical

Specific Gravity

4.20 min

Ba(Sr)SO4

90% min

Hg

1ppm max

Cd

3ppm max

Ph Value

6~9

Water Soluble Alkaline Earth Metals as Calcium

250 mg/kg max

Extractable Carbonates

5000 mg/l max

Soluble Sulfides

100 mg/l max

Mean Particle Diameter(μm)

≈12

Moisture

0.1% max