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      1. 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 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


        Copyright(C)2017 ,Weifang Longda Zinc Industry Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle
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