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Time:2024-07-26Overview
Color - coated coil is a product which uses hot - dip galvanized sheet, hot - dip aluminum - zinc plated sheet, electro - galvanized sheet, etc. as the substrate. After surface pretreatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings are applied on the surface, and then it is baked and cured. It is named after the colored steel coil plates coated with various organic coatings of different colors, and is abbreviated as color - coated coil.
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The standards for color - coated coils mainly include international standards, national standards, and industry standards, etc. The following are some common color - coated coil standards:
International standards: ASTM A755/A755M, EN 10169, JIS G 3312, etc. National standards: In China, the national standard GB/T 12754 - 2006 "Pre - painted Metal Sheets and Strips" exists, etc. Industry standards: To meet the special requirements of different industries and fields, some industry standards will be formulated, such as "Technical Conditions for Color - Coated Steel Sheets" in the construction industry, etc. These standards have made detailed regulations on the substrate materials, coating types, coating thicknesses, corrosion - resistant properties, mechanical properties, etc. of color - coated coils.
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