Product Knowledge for color coated steel coil(PPGI/PPGL)
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The base metal for color coated steel coil(PPGI/PPGL) are galvanized steel coil,galvalume steel coil,aluzinc steel coil,cold rolled steel coil. After surface pretreatment, one or several layers of organic coatings are applied on the surface, and then cured by baking. The product. It is also named after the color steel coils coated with organic coatings of various colors, referred to as PPGI/PPGL.
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The structure of color-coated sheet is cold-rolled sheet, galvanized layer, chemical conversion layer, primary coating and finishing coating.
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The surface coating paint contains polyester resin (PE), silicon modified resin (SMP), high durability polyester (HDP), polyvinylidene fluoride (PVDF), etc.
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All kinds of different paints have 4 components. Namely: resins, pigments, solvents, additives.
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The regular package for color coated steel coil are horizontal packaging and vertical packaging.