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  • Application industry
    Contact Us
    Add: Longda Industrial Park,Gudi Street,Weifang City,China
    Tel: +86-536-7569886
    Fax: +86-536-7567369
    E-mail: longda@wflongda.com
     
    Products  

    Zinc oxide for soft magnetic ferrites

    Uses: Mainly used in the electronics industry to manufacture deflection magnetic core or other zinc magnesium ferrite magnetic cores.
    Standard: HG/T2384-1997

    Item
    Index
    Model
    First grade
    Qualified product
    Zinc oxide (as ZnO)%,≥
    99.75
    99.65
    Water soluble matter %,≤
    0.1
    0.1
    Insoluble matter in HCl%,≤
    0.005
    0.008
    Metal zinc (as Zn)%,≤
    No
    0.001
    Loss on ignition%,≤
    0.2
    0.2
    Chloride (as Cl)%,≤
    0.005
    -
    Pb %,≤
    0.03
    0.04
    Mn %,≤
    0.0001
    0.0002
    Cu %,≤
    0.0002
    0.0004
    Cd %,≤
    0.005
    0.03
    Ni %,≤
    0.1
    -
    Volatile matter on 105oC%,≤
    0.2
    0.4
    Apparent density Compactness g/ml
    Bulk density g/ml
    0.8-1.0
    0.8-1.0
    0.4-0.5
    0.4-0.5
    RResidue on sieve (45um experimental sieve) %,≤
    0.05
    0.15


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