Nano Calcium Carbonate Powder

We are offering nano calcium carbonate powder.
Technical index：
nano calcium carbonate
items index
calcium carbonate content% ≥96
specific surface area mg ² 28~32±3
specific gravity gcm³ 2.40-2.55
average particle size (nm) ≤100
magnesium oxide content% ≤0.3
iron content % ≤0.03
hydrochloric acid insoluble % ≤0.1
moisture content & ≤0.3
ph value 8.9
dop oil absorption value gdop100gcaco3 24-28
whiteness ≥95
activation rate % ≥98
application：pvc, pvc film, rubber, coating, plastic, silicone adhesive, paper etc.