
Processing layer |
Thickness |
Category |
Technology |
Film |
50μm |
Polyethylene(PE) |
Prevent scratches and contamination |
paint |
10μm |
Polyester/Acrylic |
Protect the printed layer and enhance the appearance |
pattern |
≤1μm |
Ink, polyester |
Variety of patterns, can be overprinted in three colors |
Surface coating |
20μm |
High durability polyester |
Chemical resistance, processing resistance, to achieve the diversity of printing colors |
Substrate coating |
5μm |
Chrome-free polyester |
Improve coating adhesion, processability and corrosion resistance |
Chemical treatment |
≤1μm |
Chromizing fluid |
Improve product corrosion resistance and adhesion |
Substrate |
0.2-1.2mm |
Chromizing fluid |
galvanized steel, aluminized, galvalume steel |
Back coating |
5μm |
Epoxy polyester |
Improve product corrosion resistance and adhesion |