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    Home > Coatings News > Paints and Coatings Market > Coating knowledge: characteristics and rules of polyurethane waterproof coating quality inspection

    Coating knowledge: characteristics and rules of polyurethane waterproof coating quality inspection

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: the main test items of polyurethane waterproof coating include solid content, drying time, tensile strength, elongation at break, low temperature flexibility, impermeability, bonding strength of wet base surface, impermeability and appearance inspection

    Section I characteristics and rules of quality inspection performance test method of polymer cement waterproof coating is similar to other types of building waterproof coating, but also has its own particularity

    With the development of building waterproof material industry, more and more attention has been paid to the quality and performance test methods of waterproof materials in China

    The test methods of building waterproof coating (GB / t16777-1997) has been issued Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form

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    Section I characteristics and rules of quality inspection performance test method of polymer cement waterproof coating is similar to other types of building waterproof coating, but also has its own particularity

    With the development of building waterproof material industry, more and more attention has been paid to the quality and performance test methods of waterproof materials in China

    The national standard GB / t16777-1997 test methods of building waterproof coating has been issued by the state, and the building material industry standard JC / t894-2001 polymer cement waterproof coating has been issued by the State Economic and Trade Commission

    According to these national and industrial standards, this chapter introduces the testing methods of waterproof coating

    1、 The characteristics and scope of product quality testing polymer cement waterproof coating, as a chemical product, needs quality testing, but it is different from general chemical products in terms of its composition and use

    The detection of polymer cement waterproof coating includes the detection of product performance, coating construction performance, general performance and special protection performance of the coating

    Through this series of tests, the production and construction quality of products can be effectively monitored, so that the corresponding construction scheme can be formulated according to their performance and quality, so as to ensure the quality of the final product

    The detection of polymer cement waterproof coating has the following characteristics

    1

    The object of the product quality test of polymer cement waterproof coating is mainly reflected in the film performance

    Physical method is the main method and chemical method is the auxiliary

    2

    The quality inspection of polymer cement waterproof coating includes not only the performance inspection of the product itself, but also the construction performance inspection of the product

    3

    The quality inspection of polymer cement waterproof coating includes the inspection of the quality of the coating film in the specific environment where the coating is located, so as to judge whether its quality meets the use requirements

    As the quality inspection of polymer cement waterproof coating has the above characteristics, its quality inspection scope includes the following aspects: the inspection of product performance and construction performance; the inspection of general use performance and special performance of the coating

    2、 The rules of product quality inspection 1

    The factory inspection and form inspection of product quality the product quality inspection of polymer cement waterproof coating can be divided into factory inspection and form inspection

    The factory inspection items include: appearance; solid content; drying time; tensile strength without treatment; elongation at break without treatment; low temperature flexibility; impermeability or impermeability

    The items of formal inspection include all items specified in Chapter IV of JC / t894-2001 polymer cement waterproof coating

    In case of any of the following circumstances, formal inspection shall be carried out

    (1)

    approval of trial production of new products or products transferred to other factories

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