We specialize in glass materials since 2007, now , we have successfully supply our products to world famous glass manufacturers for solar glass and glass fiber in Japan ,USA ,Phillipines and India .The detailed information as follows ,please check :
Specification:
CALCITE SPEC:
Fe2O3: 40ppm Max.
CaCO3: 98% Min.
DOLOMITE SPEC:
MgO 20%min
CaO 30%min
Fe2O3 100ppm max