speciallized manufacturer and exporter of zinc oxide , direct method,95%,98%,99%, indirect method 99.7,99.8% for rubber,PHARM

Item	Standard (GB/T3494-1996 (%)
Zinc oxide%	99.0min.
Lead oxide(Pbo)%	0.20max.
Cadmium oxide (Cdo)%	0.05max.
Copper Oxide(Cuo)%	0.006max
Mangaese(Mn) %	0.0002max
Metallic metals(as Zn)	None
Insolubles in HCL solution %	0.04max.
Losses on ignition %	0.6max.
Soluble matters in water;%	0.6max.
Screening residues(45µm wet screen)%	0.2max.
105°C;Soluble matter in water %	0.4max.