Zinc Oxide factory99%,99.5%,99.7% Industry grade,Feed grade,Ceramics grade 1.Zinc Oxide Grades : Indirect process Zinc Oxide, Direct ... Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc. ... enamel, oil, pottery and porcelain, glass and other chemical industry.4.Specification product index Zinc Oxide99% Zinc Oxide 99.5 ...