Total Zinc Calculated use Zinc Sulfate and Barium Sulfate %99 min
                                               
Zinc Sulfate %                            28 min
 
Zinc Oxide %                              0.6 max
 
Volatile at 105℃ %                       0.3 max

water soluble matter %                    0.4 max
 
Sieve Residue,63um                        0.1 max

oil absorption,g/100g                     14 max
 
color, compared with the standard sample  Close to

PH value of aqueous suspension           6.0-8.0       

Tint reducing power                   Not less than