white powder, non-toxic, odorless, insoluble in water, no reaction with H2S and lye, release H2S gas when reacting strong acid widely used in coatings, printing ink, rubber, plastic etc.. ItemIndexTotal zinc and Barium sulphate≥99.0zinc sulfide content, %≥30.0zinc oxide content, %≤0.3Color, compared with standard samplesbetterTinter reducing power, compared with standard samples≥105105°C volatile ...