ASTM A653 High Quality of Prepainted Galvanized Steel
PPGI 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, color coated steel etc.A galvanized steel sheet in coil form is cleaned, pretreated, applied with various layers of organic coatings which can be paints, vinyl dispersions, or laminates.These coatings are applied in a continuous ...
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