Prepainted galvanized coil 1,painting thickness:25+/5 microns on the top side and 7+/-2 microns on the back side. Prepainted galvanized coil1 ... per customer's requirements5,Zinc coating Z60-180, +/-20gsm,6,Coil ID: 508mm,7,Coil weight: 4-7 tons. Prepainted galvanized coil