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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  

    Coating and paint grade zinc oxide

    Uses: used in the production of top-grade paint, coating and coating intermediates

    Standard

    Item
    Index
    Model
    Top grade
    First grade
    Qualified product
    Zinc oxide (as ZnO)%,≥
    99.7
    99.5
    99.4
    Metals (as Zn)%,≤
    No
    No
    No
    Lead oxide (as Pb)%,≤
    0.037
    0.1
    0.14
    Residue on sieve (45um mesh) %,≤
    0.10
    0.15
    0.20
    Volatile matter on 105oC%,≤
    0.3
    0.4
    0.5
    Water soluble matter %,≤
    0.10
    0.10
    0.15
    Oil absorption g/mg
    14
    14
    14
    Color (compared with the standard samples)
    similar
    slight yellow
    slight yellow
    Reducing power (compared with the standard samples) ,≥
    100
    95
    90


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