Total Zinc Calculated use Zinc Sulfate and Barium Sulfate %
                             99 min

Zinc Sulfate %                      30 min

Zinc Oxide %                        0.3 max
 
Volatile at 105℃ %                 0.3 max

water soluble matter %              0.3 max
 
Sieve Residue,63um                0.1 max

oil absorption,g/100g               10 max
 
color, compared with the standard sample  Close to

PH value of aqueous suspension      6.0-8.0

Tint reducing power            Not less than

hiding power    Not less than of 5% the standard sample