I type Calcium carbonate powder for Coating and painting | ||||||||||||||
Item | 800 mesh | 1000 mesh | 1500 mesh | 2000 mesh | 3000 mesh | |||||||||
A grade | B grade | A+ grade | A grade | B grade | A+ grade | A grade | B grade | A+ grade | A grade | B grade | A+ grade | A grade | B grade | |
CaCO3 content % > | 96 | 94 | 98 | 96 | 94 | 98 | 96 | 94 | 98 | 96 | 94 | 98 | 96 | 94 |
Whiteness R457 > | 92 | 91 | 95 | 94 | 91 | 95 | 94 | 91 | 96 | 94.5 | 91 | 96 | 94.5 | 92 |
Particle size D50 um | 4,5 | 4 | 3 | 2.5 | 2 | |||||||||
Particle size D97 um | 13 | 11 | 8 | 6 | 5 | |||||||||
Oil absorption value g/100g) | 35 | 35 | 37 | 37 | 40 | |||||||||
BET m2/g | 2 | 2.5 | 3.2 | 5 | 6 | |||||||||
Pb w/% | 0.001 | |||||||||||||
Cr w/% | 0.0005 | |||||||||||||
Hg w/% | 0.0002 | |||||||||||||
As w/% | 0.0002 | |||||||||||||
Cd w/% | 0.0002 |