Stone Color Coated Steel Roofing Sheet - Manufacturers ...
The prepainted steel sheet in coil is a product obtained by subjecting a hot-dipped galvanized steel sheet an galvalume steel sheet or an aluminum sheet to a surface chemical treatment (coating) followed by baking and curing. The total thickness of the pre-panted galvanized steel coil is composed of the base steel – coating -primer – top paint – protective layer thickness. The top paint thickness is 7-25μm and …
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