we can supply zinc oxide 90%--99.82%. 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 water ... in acid or alkali solution,yellow at bigh temperatureand recover white after coolingused for rubber,paint,medicines,printing,ink,cable, ...