1.white powder 2.a kind of two characters zinc oxide 3.dissolve in acid and alkaline solution 4.insoluble in water or ethanol RUBBER GRADE ZINC OXIDEUse: Rubber grade zinc oxide is used in series of products such as steel radial tyre, bias tyre, conveyer belt, rubber tube and tape, rubber shoes, emulsion glove productions etc. Its properties of product can meet country, the Ministry of Chemical ...