Products

    Drilling fluid used sulfonated-pheno-formoldehyde resin SMP-I,SMP-II

    SMP is polymerized by phenol, formaldehyde and sulphonate under high temperature.
    According to salt resistance, it is divided into 2 types: SMP-Ⅰand SMP-Ⅱ.

    SMP SY/T5094-1995 standard

    Item
    Index
    SMP-Ⅰ
    SMP-Ⅱ
    appearance
    free flow powder, 10％ aqueous solution is brownish red
    dry basis content, %
    ≥90.0
    water insoluble, %
    ≤10.0
    ≤8.0
    HTHPfilter loss,ml
    ≤25.0
    ≤35.0



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