... zinc +Rich zinc Phosphatization+ Epoxy powder coating+Polyester Color Powder coating, which all these 4 layer ... /m2 (Average 26-30 μm) POLYESTER POWDER COATINGAPPERANCEAppearance shall be smooth and shiny, firmly ... hand touch, steel exposure ,buuble, pin hole, obvious trace are not allowed. COATED THICKNESSBottom layer: ... & Processing Workshop Packing samples Powder coated galvaznied steel fence