PPGI is an acronym for prepainted galvanized steel, it use galvanized as substrate. After surface pretreatment(chemical degreasing and chemical conversion treatment), the surface coated with a layer or several layers of coating, through baking and curing.
PPGL is prepainted galvalume steel coil. Base material is galvanized/aluzinc coil.
The paint film that we can do 10-30microns. The higher the paint film, the longer the service life of the color.
The painting material are PE, SMP, HDP, PVDF, ects.