Appearance: pure white
Chemical composition report:Zinc oxide (ZnO) is an oxide of zinc. Insoluble in water, soluble in acid and strong base. It is a common chemical additive. Compared with other kinds of zinc oxide, it has special requirements on indicators: zinc oxide content shall not be less than 95, zinc content shall not be less than 76.3, heavy metal content shall not be more than 10 ppm of lead, arsenic and cadmium. The requirements for production process are relatively high, and the hygiene indexes of direct method and indirect method can not be reached. Only by wet method, replacement and reduction for many times, and strict process control, can the corresponding index requirements be achieved.
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Product Categories : Zinc oxide