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We are specialized in producing zinc oxide 99.7% with very low heavy metal content, please see the detailed specifications as below.
ZnO %≥99.7
Metal % N. D
PbO %≤0.003-0.0005
CdO%≤0.001-0.0003
MnO %≤0.0001
CuO %≤0.0002
Insoluble in Hcl solution %≤0.006
Losses in ignition %≤0.2
Screening residues(through 45um mesh) %≤0.10
Soluble matter in water %≤0.1
Application: Topfine Zinc oxide could be widely used in rubber, coating, glass, cosmetics, colorant, electron and food industries. Topfine zinc oxide is approved by SGS standard.
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