jiangsu ppgi steel organic coated steel ppgl prepainted galvalume steel coil az501
3 year ago
However, in different regions and different use parts, the same galvanizing amount,
Color-coated boards with the same coating and the same coating thickness will have a long service life.
Big difference. For example, in industrial areas or coastal areas, due to exposure to airborne
The effect of sulfur dioxide gas or salt will accelerate the corrosion rate and shorten the service life.
Influence.
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