item of indexes | index |
calcium carbonate (based on dry material) ％ ≥ | 98.0 |
moisture ％ ≤ | 0.50 |
sieve residue ％ ≤ | 0.005 |
insoluble substance in hydrochloric acid ％ ≤ | 0.20 |
iron (calculated in Fe) ％ ≤ | 0.10 |
manganese（calculated in Mn） ％ ≤ | 0.006 |
PH value | 8.0—10.0 |
rate of activation ％ ≥ | 96 |
whiteness ℃ ≥ | 95 |
value of oil absorbing ml/100g | 85—110 |
average granule diameter DP um ≤ | 1.0 |
specification of package：25kg/bag 50kg/bag
HS CODE :2836500
used :
1: Plastic industry : pvc sire , Rubber cloth , model products , thin coat , self -solution plastic , master plastic -granular , plastic paper
2: coating industry : synthetic resin paint , oil paint , latex paint , powder paint
3: plastic -rubber industry : electric wire , cable , sponge , gum paste , sole , soft pipe
4: paper-making : filler , pulp filling
5: other industry : pigment , tooth paste .
