Explanation
Also known as zinc oxide, powder, zinc oxide powder, zinc oxide. It is a white pigment mainly composed of zinc oxide. White hexagonal crystal or powder, odorless. melting point 1975 ° C, density 5.606. Insoluble in water and ethanol, but soluble in acids and alkalis. zinc oxide has lower covering power and extinction power than titanium dioxide and lithopone, but it has good heat resistance and light resistance, and does not pulverize, so it can be used for exterior paint. It is widely used for coloring ABS resin, polystyrene, epoxy resin, phenolic resin, amino resin, polyvinyl chloride, paint and ink. Zinc white powder shows zinc white.
Classification
Information materials -> Optoelectronic materials -> Dyes