Zinc oxide is important organic chemical material; executive standard: GB/T3185-92; it is insoluble in water; soluble in acid, alkali and ammonium hydroxide; widely used in rubber, foaming, coating, ceramic, printing ink, enamel, electric cable and paint fields.
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Item
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Index
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Zinc oxide(in dry basis)%≥
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99.70
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heavy metal(Zn)
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no
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lead oxide(Pb)%≤
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0.037
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copper oxide(Cu)%≤
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0.0002
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manganic oxide(Mn)%≤
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0.0001
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manganic %≤
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0.006
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loss on ignition %≤
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0.2
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water solubles%≤
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0.10
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moisture %≤
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0.3
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residue on sieve(45μm)%≤
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0.10
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appearance
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white powder
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