Our high purity Calcined Zinc Oxide 95/99/99.5%min ratio is significant, good fluidity, with its production of glaze shrinkage is small, the glaze is not easy to pinhole and crack. The quality standard of calcined zinc oxide is the same as that of grade zinc oxide except for the ratio. After calcined at high temperature, zinc oxide shows light yellow and its melting point is 1975ºC.
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