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    GB/T 15330-2020
    Test method for water penetration rate of pressure-sensitive tapes

    GB/T 15330-2020 specifies test methods for determining the water permeability of pressure-sensitive adhesive tapes, including both vertical and cross-section test methods. The vertical water permeability test is applicable to single-sided or double-sided pressure-sensitive adhesive tapes, while the cross-section water permeability test is only applicable to double-sided pressure-sensitive adhesive tapes. The standard defines the test principles, specimen preparation, procedures, and result calculation requirements. The core of the method involves using instruments such as test boxes, electronic balances, and air-circulating ovens, along with auxiliary tools like anhydrous calcium chloride desiccant and sealing materials. By controlling specific temperature, humidity, and water pressure conditions, the water permeability performance is evaluated by measuring the change in mass of the specimen.

    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 G38 ICS 83.180
    Release Date 2020-11-19 00:00:00 Implementation Date 2021-10-01 00:00:00

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