Magnesium Carbonate

This product is a fine powder of high-purity basic magnesium carbonate made by our proprietary seawater process. It is characterized by high translucency when blended with natural rubber.

GOLD STAR , Heavy Type

GOLD STAR is characterized by high translucency when blended with natural rubber.
Heavy Type has a low bulk density and less impurities than ordinary products.

Magnesium Carbonate Granular

This granular product has good workability and helps to improve productivity.

Typically Characteristic Analysis
Item of Quality GOLD STAR Heavy Type Granular
Chemical Analysis Moisture(%) 2.5 2.5 3.0
Loss on Ignition(%) 54.2 55.2 54.8
MgO *1(%) 42.0 41.5 41.0
CaO(%) 0.3 0.3 0.4
Cl(%) 0.04 0.01 0.05
pH(%) 10.4 10.4 10.4
Whiteness(%) 96 94 -
Bulk Density(g/ml) 0.27 0.50 0.65
Oil Absorption(ml/100g) 140 80 -
Average Particle Size(um) 7 12 -
Specific Surface Area (BET)(m2/g) 40 35 35
Screen Residue (75um)(%) 0.01 0.04 -

*1 Measured after Drying

Standard Packing

Net weight is 25kg. The product is packed in a multilayer paper bag.

Main Applications

* Natural Rubber
* Various Synthetic Rubbers
* Plastics
* Pigment Printing Inks
* Food Additives
* Animal Feed Additives
* Cosmetics
* Raw Material for General Chemicals