Description
Sum total of zinc (m/m): *9.0% min
(based on zinc sulfate and barium sulfate)
Total zinc amount: *8% min (based on zinc
sulfate)
Zinc oxide (m/m): 0.8% max
**5 C volatile substance (m/m): 0.3% max
Water soluble salts(m/m): 0.1% max
Residue on sieve (*3um sieve pore)(m/m): 0.1% max
Water extraction alkaline: neutral
Oil absorption (g/**0g): *4
Reducing color powder (compare with standard sample):
**0%
Covering powder (contrast ratio): not lower than 5%
standard sample
Range of application: Coating, paint producing, printing ink,
plastic,rubber, paper making, enamel etc..
It is used as a filler in paper, leather, and
linoleum.
Item Standard B**1/ B**1
Ba+SO4 (as ZnS)%(m/m) ≥ *9/ *9
Zinc (as ZnS) (m/m)%≥ *8/ *0
Zinc Oxide %(m/m) ≤ 0.6/ 0.3
**5centidegree Volatile%(m/m)≤ 0.3/ 0.3
Water Soluble%(m/m) ≤ 0.4/ 0.3
Screen residues (*3um mesh) %(m/m) ≤ 0.1/ 0.1
Oil absorption g/**0g ≤ *4/ *0
Color Killing (Compare with standard specimen) %≥**5/
**5
