CATEGORIES

    GB/T 8138-2009
    Shellac

    GB/T 8138-2009 "Shellac" specifies the technical requirements, sampling, and test methods for shellac. It is applicable to shellac sheets processed from seedlac and sticklac using the hot filtration method or solvent method. Technical indicators include moisture content, matter insoluble in hot ethanol, softening point, etc. Testing requires instruments such as an analytical balance, softening point tester, and melting point apparatus, providing a unified standard for quality control in the production and application of shellac sheets.

    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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    Extended reading
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