um total of zinc(m/m): 99.0% min

  (based on zinc sulfate and barium sulfate)

  Total zincamount: 28% min (based on zinc sulfate)

  Zinc oxide(m/m): 0.8% max

  105 Cvolatile substance (m/m): 0.3% max

  Watersoluble salts(m/m): 0.1% max

  Residue onsieve (63um sieve pore)(m/m): 0.1% max

  Waterextraction alkaline: neutral

  Oilabsorption (g/100g): 14

  Reducingcolor powder (compare with standard sample): 100%

  Coveringpowder (contrast ratio): not lower than 5% standardsample   

Range ofapplication: Coating, paint producing, printing ink,plastic,rubber, paper making, enamel etc..

It is used as afiller in paper, leather, and linoleum.

Item Standard B301/ B311
Ba SO4 (as ZnS)%(m/m) ≥ 99/ 99
Zinc (as ZnS) (m/m)%≥ 28/ 30
Zinc Oxide %(m/m) ≤ 0.6/ 0.3
105centidegree Volatile%(m/m)≤ 0.3/ 0.3
Water Soluble%(m/m) ≤ 0.4/ 0.3
Screen residues (63um mesh) %(m/m) ≤ 0.1/ 0.1
Oil absorption g/100g ≤ 14/ 10
Color Killing (Compare with standard specimen) %≥105/105