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    GB/T 328.26-2007
    Test methods for building sheets for waterproofing - Part 26: Bitumen sheets for waterproofing-dissoulble composite of membrane (impregnated and coated asphalt amount)

    GB/T 328.26-2007 "Test Methods for Building Waterproofing Sheets - Part 26: Bitumen Waterproofing Sheets - Soluble Matter Content (Coating Material Content)" specifies the method for determining the soluble matter content of bitumen waterproofing sheets, applicable for product quality control. The test requires the use of a 500mL Soxhlet extractor, an analytical balance with an accuracy of 0.001g, an air-circulating oven with a temperature fluctuation of ±2°C, and a 315μm sample sieve. Through steps such as extraction with trichloroethylene solvent, drying, and weighing, the soluble matter content is calculated, providing data support for evaluating the total amount of coating material in the 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 Q17 ICS 91.120.30
    Release Date 2007-03-26 00:00:00 Implementation Date 2007-10-01 00:00:00

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