White powder, density 5.606, melting point 1975 0C, is an amphoteric oxide, insoluble in water or ethanol, soluble in acid-base solution, high temperature yellow, after cooling to restore whiteness
ZnO %≥99.5
Metal %≤ -
PbO %≤0.05
MnO %≤0.0001
CuO %≤0.0004
Insoluble in Hcl solution %≤0.008
Losses in ignition %≤0.2
Screening residues(through 45um mesh) %≤0.15
Soluble matter in water %≤ 0.10
Volatile matters at 105C %≤0.4
Oil absorption g/100g %≤ -
ZnO %≥99.5
Metal %≤ -
PbO %≤0.05
MnO %≤0.0001
CuO %≤0.0004
Insoluble in Hcl solution %≤0.008
Losses in ignition %≤0.2
Screening residues(through 45um mesh) %≤0.15
Soluble matter in water %≤ 0.10
Volatile matters at 105C %≤0.4
Oil absorption g/100g %≤ -
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Rubber chemicals:Carbon Black,White Carbon Black,Zinc Oxide ect.
Water treatment chemicals:Aluminium Sulphate,Polyaluminium Chloride,Zinc sulfate,Alum Potash ect.
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