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    Home > Coatings News > Paints and Coatings Market > The exterior wall coating standard is greatly upgraded GB/T9755-Implemented at the end of 2014

    The exterior wall coating standard is greatly upgraded GB/T9755-Implemented at the end of 2014

    • Last Update: 2021-10-06
    • Source: Internet
    • Author: User
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    ——Added product classification;


    ——The water permeability test items have been added to the topcoat;

    ——The alkali resistance, water resistance, temperature change resistance and artificial weathering resistance of the topcoat can be changed to also evaluate the performance of the composite coating after matching with the primer or primer and intermediate paint;

    ——Changed the test method and substrate of the scrub resistance item;

    ——The test substrate asbestos cement board is changed to non-asbestos cement board;

    ——Slightly changed the coating stain resistance test method;

    ——The temperature change resistance of the coating was changed from 5 cycles to 3 cycles;

    ——Improved the artificial weathering resistance requirements of other color coatings.


    The changes in scrubbing resistance, stain resistance methods and the increase in water permeability test items are inevitable for the majority of architectural coating manufacturers to adjust and change the formulation.



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