/320421NJH001-92

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      ≤