Coating structure: 2/1: Top+ Prime/Back, PE/PVDF/HDP; 10-35 microns/5-7 microns Lifespan: 7-40 years Tolerance Thickness: +/-0.02 mm, width: +/-2 mm; Total quantity: +/-5%; Zinc coating: +/-5% Tensile Strength: >300mpa Yield Strength: ...