... a white pigment composed of a mixture of barium sulfate (28 - 30%) and zinc sulfide 1. Properties : white powder, indissolluble in ... , rubber, printing inks, paper-making, leather and enamel etc. Lithopone 28%,B301ItemStandardTotal amount of Zn(Calculated as ZnS and ZnSO4)99 ... %minTotal amount of Zn(Calculated as ZnS)28%minZnO0.60maxVolatiles matter (at 105°c)0.30%maxWater soluble ...