Talc from India
Specification:Loss on Ignition 4% to 6%
Loss on Drying 0.05%
Acid soluble substances (as SO4) 2% - 3%
Extractable Fluoride 0.2% - 20%
pH (at 10%) 8.5% to 9.5%
Soluble Salts 0.2%
Absorption in Oil 30 to 35
Asbestos Fibres Nil
Arsenic Nil
SiO2 60 to 67
MgO 29 to 32
Fe2O3 0.15
CaO As per requirement
Al2O3 0.6% - 1%
World Talc Production
Current world talc production is around 7million tonnes a year. China accounts for 50% of world production; other significant production comes from India, Korea, the US, Canada, Finland, Russia, Norway, France and Brazil.
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