OVERVIEW OF PRE-PAINTED GALVANIZED STEEL COIL Also known as pre-coated steel, coil coated steel, color coated steel coil, etc., pre-painted galvanized steel coil (PPGI) with reasonable price is even covered with a layer of zinc. The zinc coating provides the steel with a layer ...
The color-coated coil, also named ppgi, is a product made of hot-dip galvanized sheets, hot-dip aluminized zinc sheets and electro-galvanized sheets. After surface pre treatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings ...
The coating of galvalume steel is composed of 55% aluminium, 43.4% zinc and 1.6% trace elements. PPGL is a product made of painted galvalume steel coil. After surface pre-treatment like chemical degreasing and conversion treatment of galvalume metal, one or several layers of ...