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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: analysis of three kinds of anti-corrosion water-based coating systems for concrete

    Common knowledge of coating: analysis of three kinds of anti-corrosion water-based coating systems for concrete

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: at present, there are many kinds of water-based anti-corrosion systems for concrete, and appropriate water-based systems are selected according to different anti-corrosion years, service environment and protected concrete conditions The water-based epoxy coating system is suitable for indoor environment with high humidity and shielding requirements; the water-based acrylic coating system with water-based fluorocarbon finishing coat is suitable for the environment with dry climate and strong light; the water-based fluorosilicone transparent coating system is suitable for the environment requiring both corrosion resistance and decoration, concrete appearance and long-term weather resistance Type I (coating system) is generally adopted for waterborne epoxy coating system for concrete anti-corrosion 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: at present, there are many kinds of water-based anti-corrosion systems for concrete, and appropriate water-based systems are selected according to different anti-corrosion years, service environment and protected concrete conditions The water-based epoxy coating system is suitable for indoor environment with high humidity and shielding requirements; the water-based acrylic coating system with water-based fluorocarbon finishing coat is suitable for the environment with dry climate and strong light; the water-based fluorosilicone transparent coating system is suitable for the environment requiring both corrosion resistance and decoration, concrete appearance and long-term weather resistance The water-based epoxy coating system for Concrete Anticorrosion generally adopts type I (coating system performance index JT / t695) water-based epoxy resin system, which is composed of low molecular weight liquid epoxy resin and water-based epoxy curing agent The epoxy resin in the system is mixed and emulsified by water-based epoxy curing agent before use, so this kind of curing agent must be both crosslinking agent and emulsifier It can be well dispersed or dissolved in water, so it has a good emulsifying effect on low molecular weight liquid epoxy resin, and can be prepared into zero VOC coating, and the hardness of the coating increases rapidly The water-based epoxy coating system is cheap, has good adhesion and permeability, and has reinforcement effect on the base material Under the condition of no ultraviolet or weak ultraviolet, it is especially suitable for concrete anti-corrosion water-based acrylic concrete anti-corrosion coating system, which is composed of water-based acrylic sealing primer, water-based acrylic intermediate paint and water-based fluorocarbon finish The waterborne acrylic resin used for waterborne acrylic primer is usually self crosslinking emulsion or water dispersible acrylic resin, which requires smaller emulsion size, so that it can achieve good penetration inside the concrete Film forming assistant is added to the primer to adjust the film forming performance and achieve good construction performance The water-based acrylic intermediate paint can increase the water shielding and prolong the anti-corrosion life The intermediate paint shall be sprayed twice, and the thickness of each dry film shall be kept at about 90 μ M The purpose of waterborne fluorocarbon coating is to improve the service life of the coating system and change the glossiness and appearance of the coating Therefore, the water-based acrylic concrete anti-corrosion coating system can be used to withstand long-term sunshine and relatively dry environment The water-based fluorosilicone transparent anti-corrosion system of as cast concrete is mainly used for as cast concrete structure This kind of concrete is cast in one time without any external decoration The natural surface effect of cast-in-place concrete is directly used as the facing The surface is flat and smooth, with uniform luster, clear edges and corners, without damage and pollution It is composed of silane or water-based acrylic transparent sealing primer, water-based acrylic transparent intermediate paint and water-based transparent fluorocarbon finish 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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