Units on a continuous cold-rolled strip steel or steel sheet,galvanized steel (electro galvanized,Pre-painted steel coil hot galvanized,Galvalume and cold-rolled plate) as the substrate, after surface preparation (degreasing and chemical treatment), G350 G450 G550 pre painted galvanized gi sheet coil ppgi ppgl strips coils factory shandong china by a roll coating method, applying one or more layers liquid coating, after baking and cooling the resulting sheet is coated steel.Pre-painted steel coil Since the coating can have a variety of colors, it is customary to coated steel is called color coated steel sheet (PPGI).
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G350 G450 G550 pre painted galvanized gi sheet coil ppgi ppgl strips coils factory shandong china is the material which uses galvanized steel as the basic substrate metal. PPGI is prepainted galvanized steel, also known as precoated steel, coil coated steel,Pre-painted steel coil color coated steel etc.G350 G450 G550 pre painted galvanized gi sheet coil ppgi ppgl strips coils factory shandong china A galvanized steel sheet in coil form is cleaned, pretreated, applied with various layers of organic coatings which can be paints, vinyl dispersions, Pre-painted steel coil or laminates.G350 G450 G550 pre painted galvanized gi sheet coil ppgi ppgl strips coils factory shandong china are applied in a continuous process known as Coil Coating.The steel thus produced in this process is a prepainted, prefinished ready to use material.