Calcium Carbonate
CaCO3: 98%min; CaO: 55.5%min
Powdered inorganic fillers, high purity,big inert and difficult chemical reaction, thermal stability, will not decompose in the below 400 °C, high whiteness, low oil absorption, low refractive index, soft, dry,without water of crystallization, hardness and low abrasion value, non-toxic, tasteless, odorless, good dispersion, etc.
Specification
CaCO3 98%min
CaO 55.5%min
Fe 0.006%max
MgO 0.13%max
Al2O3 0.01%max
SiO2 0.8%max
PH value 8-9%
H2O 0.5%max
Oil absorption (g/100g) 10-34
water absorption(g/100g) 0.35 - 0.59
whiteness 90% - 97%
Size 8 mesh - 2500 mesh