1.Technology of coating: two coating,two baking or two coating,one baking.
2.Base metal of prepainted galvanized coil:cold rolled,hot-dip zinc coated(with small skin pass spangle or not),hot-dip alu-zn coated,electro-galvanized.
3.Coating thickness: top and bottom surfaces 15-20um,back coating 5-7um.
4.Per coil weight: 10 tons max,usually 3-5 tons.
5.Steel coil inside diameter: 508 or 610 mm.
6.Color of prepainted steel coil: As RAL colors or as customers' supplied.
7.Capacity of one year: 400,000 mts.
8.Contacting information: ruichen017 at hotmail dot com.
china Corrugated Roof Sheet | PPGI,Quality PPGI,PPGI of good quality