CATEGORIES

    GB/T 8139-2009
    Dewaxed shellac,Decolorized shellac,Decolorized and dewaxed shellac

    GB/T 8139-2009 "Dewaxed Shellac, Bleached Shellac, and Bleached Dewaxed Shellac" specifies the technical requirements, test methods, etc., for three types of shellac processed by solvent dewaxing and activated carbon bleaching. It covers indicators such as moisture content, acid value, and wax content. Testing requires instruments such as analytical balances, ovens, and titration devices. The standard is used to regulate the product quality of such shellac, ensuring its application performance in fields such as coatings and inks.

    This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
    Status Active
    CCS B72 ICS 87.040
    Release Date 2009-05-12 00:00:00 Implementation Date 2009-11-01 00:00:00

    Categories

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