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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: base treatment shall be done well before construction of epoxy floor

    Common knowledge of coating: base treatment shall be done well before construction of epoxy floor

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: before the construction of the epoxy floor, it is necessary to do a good job in the foundation surface treatment, which is the premise preparation to ensure the construction quality of the floor, and also one of the key construction control points What is the base treatment work? (1) The base surface needs a certain surface roughness to improve the adhesion of the coating The coating adheres to the floor by the interaction between the polar groups in the coating and the molecules on the floor surface, as well as the mechanical engagement After the floor is polished and sandblasted, the surface will become rough and the surface area will increase significantly, which increases the contact area and mechanical engagement between the coating and the ground and improves the adhesion of the coating ( Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Coating home news: before the construction of epoxy floor, the base surface treatment should be done well, which is the premise preparation to ensure the construction quality of the floor, and also one of the key control points of the construction What are the basic surface treatment works? (1) the basic surface needs a certain surface roughness to improve the adhesion of the coating to the floor, which depends on the interaction between the polar groups in the coating and the molecules on the floor surface, as well as the mechanical engagement After the floor is polished and sandblasted, the surface will become rough and the surface area will increase significantly, which increases the contact area and mechanical engagement between the coating and the ground and improves the adhesion of the coating (2) To increase the compatibility between the coating and the underlying layer in the maintenance engineering, it is necessary to determine whether to completely or partially retain the old coating according to the specific situation If it is protective coating, when the matching of new and old coating is reasonable, it can be considered to retain the old coating without failure, which can further enhance the overall protective ability of the coating; if it is a coating project with decorative as the main purpose, it is necessary to remove all the old coating Or after polishing the old coating, scrape and apply leveling putty to ensure the flatness of the substrate (3) Due to the poor compatibility between oil and water and coating, if there is oil and water on the floor surface, it is difficult to form a continuous coating, even if a complete coating is formed, the adhesion will be greatly reduced, and the coating will fall off prematurely; when there is dust and gravel on the floor surface, the coating will produce pockmarks, which will seriously affect the appearance; When the floor surface is not flat, there are pits, pores, cracks, etc., it will affect the appearance quality of the coating In serious cases, it is impossible to paint at all Therefore, before coating, the dirt on the base surface should be removed, the adhesion of the coating to the ground should be enhanced, the service life of the coating should be prolonged, and the decorative and protective functions of the coating should be given full play The same is true for other floor construction Only on a clean and flat surface without hollowing can the construction quality of the floor be guaranteed The painted floor is smooth, flat, beautiful and has good decorative performance 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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