Economical Grade Magnesium Carbonate
Properties: white monoclinic crystal or formless powder, non-toxic and odorless. Solubility in 15℃ is 0.02g/100g(H2O), 25℃ is 0.025g/100g(H2O), 100℃ is 0.5g/100g(H2O). Relative density 2.16,coefficient of thermal conductivity 0.692w(m·K); Refractive index is 1.534.
Uses: used as fireproofing and heat preservation material , or excellent insulation material for boat and boiler. It also can be used in top-grade glass products, magnesium salts, pigment, paint, fireproof material, printing ink, ceramic, cosmetic, toothpaste, daily chemicals, drug. Food grade can be used as flour additive, drier, color fixative, carrier and caking inhibitor.
Index
|
For electronic use
|
MgO %
|
40£-43.5
|
Acid insoluble %
|
0.02
|
Soluble salts %
|
--
|
Cl %
|
0.01
|
Sulfate %
|
0.02
|
CaO %
|
0.10
|
Fe %
|
0.005
|
Heavy metals %
|
0.001
|
As %
|
--
|
Next product: None