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    GB/T 22638.10-2016
    Test methods for aluminium and aluminium alloy foils—Part 10：Determination of mass per unit area (surface density) of coatings

    This standard specifies the method for determining the mass per unit area (i.e., surface density) of coatings on aluminum foil surfaces, such as organic or inorganic coatings. The method calculates the surface density by accurately measuring the mass difference between coated samples and uncoated substrates, and is primarily applicable for product quality control. The execution of this determination requires two core types of instruments: an analytical balance for precise weighing of samples (typically with an accuracy of 0.1 mg), and a circular or rectangular cutting die for accurately cutting specimens to standard dimensions for measurement.

    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 H20 ICS 77.040.01
    Release Date 2016-12-30 00:00:00 Implementation Date 2017-11-01 00:00:00

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