jiangsu ppgi prepainted galvanized steel coil organic coated galvanized steel coils1
3 year ago
Organic coatings made with existing coatings and coating technologies often have tiny pinholes through which external moisture, steam, oxygen, and various ions can penetrate. When PPGI STEEL COIL penetrate the interface between the steel substrate and the coating, forming a local battery, ppgi prepainted galvanized steel coil undergoes a subsurface corrosion reaction. The corrosion rate is not only related to the physical and chemical properties of organic coatings, but also depends on the penetration resistance of organic coatings to gases, vapors, liquids, and ions. Therefore, the durability and reliability of organic coatings are closely related to the selection of coating components, color coated coil ppgi layers, thickness, uniformity, processability, and usage environment.
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Main Product:
Prepainted Steel,
PCM VCM,
Embossed Steel,
ppgi,
Home Appliance Steel ,
Print Steel
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