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    Home > Coatings News > Paints and Coatings Market > Coating general knowledge: inspection of coating quality of epoxy floor coating engineering

    Coating general knowledge: inspection of coating quality of epoxy floor coating engineering

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tips: the following inspection shall be carried out after the paint film of epoxy floor paint works is dried: (1) Appearance of the paint film: the appearance of the paint film shall be free of defects such as cracks, holidays, sags, sags and blisters, and the paint film shall have a smooth luster (2) Check the dry film thickness; check the film thickness according to GB / t13452.2-1992 For metal substrate, check the dry film thickness within three months after coating construction It is required that the film thickness of more than 85% of the measuring points reaches or exceeds the specified total film thickness, and the film thickness of less than 15% of the remaining measuring points shall not be less than the specified total film thickness Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Home of coatings: the following inspection shall be carried out after the paint film of epoxy floor coating project is dried: (1) the appearance of the paint film; the appearance of the paint film shall be free of defects such as cracks, omissions, sags, sags and blisters, and the paint film shall have a smooth luster (2) Check the dry film thickness; check the film thickness according to GB / t13452.2-1992 For metal substrate, check the dry film thickness within three months after coating construction It is required that the film thickness of more than 85% of the measuring points reaches or exceeds the specified total film thickness, and the film thickness of less than 15% of the remaining measuring points shall not be less than 85% of the specified total film thickness; the dry film thickness of the measuring points of the concrete substrate shall reach or exceed the specified value (3) Adhesion; the test of adhesion shall be determined according to the specific situation Generally, it is checked once every 1000 square meters The test shall be carried out on the construction surface, and it can also be carried out on the witness plate or test piece when the construction is difficult The test method can be used as follows: ① pull off method, pull off method adhesion test instrument is used, the adhesion shall be greater than 1.5MPa, and the adhesion of coating system in contact with liquid and buried underground shall be greater than 2.5MPa; ② For tape method (applicable to metal surface), according to astmd3359-02, the adhesion grade shall not be lower than level 3; ③ for grid tape method (applicable to metal surface), according to GB / t9286, the adhesion grade shall not exceed level 2 Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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