Magnesium Carbonate:
White powder, MgCO3

Used in the manufacture of magnesium, magnesium oxide, fireproof, paint, ink, pottery, glass, toothpaste, rubber, pigment, dately used product industry, also as food additive and anti-acid agent in pharmaceutical industry, as high-quality filler and reinforcement agent of rubber products, as fireproof and thermal insulation materials resistant to high temperature.

Specification:
(MGO), % 43min
H2O 2max
L. O. I % 56max
HCl Insoluble Matter, % 0.10 max
CaO, % 0.5 max
(SO42-), % 0.1 max
(Ferric Salt), % 0.02 max
Heavy metal ppm 10
Appearance White powder