... white powder used for rubber,paint,medicines,printing,ink,cable,electronics,papermaking we can supply zinc oxide 90%--99.82%. featruers: ... white powder ,density 5.606,melting point1975,amphoteric oxide,insoluble in ... bigh temperatureand recover white after coolingused for rubber,paint,medicines,printing,ink,cable,electronics,papermaking,enamel,cosmetic ...