... .50.5Volatile % ≤0.40.40.50.50.5Specifications- Direct Zinc Oxide 95% , 90%~99.5% - Indirect ZnO 99.9%~99.7%, etc. - Feed Grade ZnO 75 ... %~65%, etc. - Calcined ZnO 99.5%, etpacking:Plastic woven ... in rubber Industry, Paints Industry, Ceramics Industry, floor tile, glass, feed additive, etc. rubber grade zinc oxide 95%-98%