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  • Application industry
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    Zinc oxide for arrester purpose

    Uses: In the electronics industry, Zinc oxide for arrester purpose is mainly used to manufacture the magnetic elements of electronic structure-Ferrite; moreover, TV, radio, telecommunications installations and rheostat all adopts such magnetic materials.

    Standard:JB/T9670-1999

    Item
    Index
    Zinc oxide (as ZnO)%,≥
    99.7
    Potassium oxide (as K)%,≤
    0.0010
    Sodium oxide (as Na)%,≤
    0.0010
    Ferric oxide (as Fe)%,≤
    0.0020
    Cadmium oxide (as Cd)%,≤
    0.0050
    Lead oxide (as Pb)%,≤
    0.037
    Copper oxide (as Cu)%,≤
    0.0002
    Metal zinc (as Zn)%,≤
    No
    Moisture %,≤
    0.3
    Insoluble matter in HCl%,≤
    0.006
    Loss on ignition%,≤
    0.2
    PH value
    7.0-8.0
    Average size (um),≤
    0.50
    Residue on sieve%,≤
    0.10


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