selling Zinc Oxide Direct Method 99.5% (25kg)

Molecular Formula ZnO Property The product is white fine powder and can slowly absorb the water in the air.   Usage  For rubber,paint,enamel, enamel, petroleum, ceramic, glass and other chemical industry application. Packing In plastic film bag with outer plastic woven bag. Appearance white powder   Specification 25kgs or 50kg net each The quality standard of Direct Process Zinc Oxide Meet the standard of GB3494-1996 Grade For rubber application For paint application Index item ZnO- X 1 ZnO- X 2 Paint-T1 Paint-T2 Paint-T3 Zinc oxide% 99.5min. 99.0min. 99.5min. 99.0min. 98.0min Lead oxide(Pbo)% 0.12max. 0.20max. --- --- --- Cadmium oxide (Cdo)% 0.02max. 0.05max. --- --- --- Copper Oxide(Cuo)% 0.006max. --- --- --- --- Mangaese(Mn) % 0.0002max. --- --- --- --- Metallic metals(as Zn) None None None --- --- Insolubles in HCL solution % 0.03max. 0.04max. --- --- 　 --- Losses on ignition % 0.4max. 0.6max. 0.4max. 0.6max. --- Soluble matters in water;% 0.4max. 0.6max. 0.4max. 0.6max. 　 0.8max. Screening residues(45µm wet screen)% 0.28max. 0.32max. 0.28max. 0.32max. 　 0.35max. 105 degree moisture % 0.4max. 0.4max. 0.4max. 0.4max. 0.4max. Hiding power(g/m2) --- --- 150max. 150max. 150max. Oil absorption,g/100g --- --- 18max. 20max. 20max. Colour killing% --- --- 100max. 95max. 95max. Colour --- --- Meet standard specimen Note: Special. Requirements should be negotiated between the seller and the buyer.