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聚乙烯吡咯烷酮

    详细说明

    Polyvinylpyrrolidone K30 (9003-39-8)
    Formula: (C6H9NO)n
    Appearance: White or pale brown amorphous powder, easily flow.
    Specifications:
    Content: 95% min
    K Value: 27 - 33
    Water: 5.0% max
    Ash: 0.02% max
    PH (10% Water Solution): 3 - 7
    Package: in 25kg fibre drums.
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