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    Home > Coatings News > Paints and Coatings Market > General knowledge of coatings: characteristics of automotive coatings

    General knowledge of coatings: characteristics of automotive coatings

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    The key point is that the painting is not only for the appearance of a color, smooth and three-dimensional appearance, but also a protective function, avoiding the erosion of the surrounding media, and preventing corrosion, aging and various kinds of media The coating materials for automobile shall have the following characteristics: excellent weather resistance and corrosion resistance, applicable to all kinds of climatic conditions, excellent construction and matching, applicable to high-speed flow operation of automobile industry, extremely high decoration, excellent mechanical strength, low price and wide range of goods, resistant to gasoline, engine oil and road asphalt along with 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 Coatings home: automotive painting is not only for the appearance of a color, smooth, three-dimensional sense, but also plays a protective role, to avoid erosion by the surrounding media, anti-corrosion, anti-aging and various kinds of media The coating materials for automobile should have the following characteristics: excellent weather resistance and corrosion resistance, which are required to be suitable for various climatic conditions, excellent construction and matching, suitable for high-speed flow operation in automobile industry, high decoration, excellent mechanical strength, low price and wide range of goods, and resistant to gasoline, oil and road asphalt With the increasing global demand for environmental protection coatings, more environmentally friendly water-based and powder coatings have become popular products in the coating market Among them, the global demand for environmental protection trend is a major driving force to promote the development of powder coatings As manufacturers are looking for ways to reduce product VOC, powder coatings naturally replace liquid coatings in some fields The VOC content of powder coating is low, easy to remove, and the sprayed coating can be recycled; after construction, the coating basically does not produce pinholes, which is usually easier to construct than the liquid coating, and the durability of the formed coating is good Environmental and technical advantages are the key to replace traditional solvent coating with powder coating The automobile top coat is the outermost layer of the whole paint film, which requires the top coat to have more perfect performance than the bottom coat First of all, weather resistance is an important index of topcoat It is required that topcoat will not change color, lose light, blister or crack under extreme temperature, wind, snow, rain and hail The appearance of the finish painting is more important, which requires the full appearance of the paint film, no orange peel, good leveling and good freshness, so that the car body has high-quality coordination and appearance In addition, the top coat shall also have sufficient hardness, stone impact resistance, chemical resistance, pollution resistance and corrosion resistance, so as to keep the appearance and conditions of the car unchanged The main type of automobile finish is enamel, which generally has bright color, good mechanical energy and satisfactory weather resistance Most of the automotive topcoats are high gloss, sometimes semi gloss and vertical paint are also used as required At present, amino resin, alkyd resin, acrylic resin, polyurethane resin, medium solid polyester and other resins are mainly used as base materials for high-grade automobile and car body, and organic pigments and inorganic pigments with bright colors and good weather resistance are selected, such as titanium white, phthalocyanine pigment series, organic bright red and so on Some additives such as UV absorber, leveling agent, anti shrinkage agent and resistance regulator must be added to achieve more satisfactory appearance and 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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