... Feed Grade White or yellow granule, it can be used for feed additive. Zinc Oxide Feed Grade ITEMS UNITZINC OXIDEZinc Oxide ... Feed Grade is a mineral additive in animal feedand suitable for the manufacture of advanced ceramics, ceramic tile, mosaic, enamel and ... so on, especially as flux for producing glaze and glass; it is also as the active agent for rubber production, and the important raw ...