Magnesium Carbonate

Konoshima's basic Magnesium carbonate is produced from sea water with our original process.

GOLDSTAR®

GOLD STAR has excellent transparency with natural rubber.

HEAVY TYPE

HEAVY TYPE is easy to handle due to low bulk density.

GRANULAR TYPE

GRANULAR TYPE is the product with easy handling and good workability.

Typical Analysis
  GOLD STAR® HEAVY TYPE GRANULAR TYPE
Screen residue(75µm)(%) 0.01 0.04 -
Loss on drying(%) 2.3 2.5 2.9
Loss on ignition(%) 54.8 55.3 54.8
Soluble matter in water(%) 0.9 - -
Soluble salts(%) - 0.7 0.7
Acid insoluble substance(%) 0.01 0.01 0.01
Magnesium oxide(%) 41.6 41.8 41.8
Calcium oxide(%) 0.3 0.3 0.3
Fe2O3 , Al2O3(%) 0.02 0.02 0.02
Bulk density(g/ml) 0.30 0.49 0.63
Specific surface area(m2/g) 41 29 -
Average particle size(µm) 8.0 14.2 -
Mesh size(150µm on)(%) - - 97

Applications

  • *Natural rubber
  • *Plastics
  • *Paper
  • *Synthetic rubber
  • *Chemical raw material
  • *Animal feed
  • *Paints
  • *Glass
  • *Fertilizer
  • *Inks
  • *Ceramics
  • *Agrichemicals