Wednesday, August 24, 2011

Calcium carbonate light


Name of commodity: calcium carbonate light
The molecular formula; CaCO3
The molecular weight: 100.09
Using: the filler of rubber, plastic paper, coatings and so on.
Quality standard:
Value of Ph: 8.0-10.5
Volatile matter: less than or equal to 0.40%
Insoluble substance: less than or equal to 0.10%
Precipitation: more than or equal to2.7ML/g
Screenings (by 45um account): less than or equal to 0.4%
Whiteness: more than or equal to 90
Packing: The polyethylene bag lined with plastic woven sack packing, and each net weight 25kg