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Skin color grade zinc oxide is designed specially for cosmetic industry. With particular process, this grade zinc color can appear natual skin color. Heavy metal content is also controled at a satisfied level.
ZnO %≥95-99
PbO %≤0.0002
CdO %≤0.0002
MnO %≤0.0001
CuO %≤0.0001
Loss of weight in drying ≤0.5
Screening residues(through 45um mesh) %≤0.10
Average grain size 0.1(100nm)
Specific surface(BET) m2/g 30-50
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