Zinc galvanized steel coil is a composite material made of substrate and coating. It has the advantages and disadvantages of steel plate and organic material. Therefore, there are many factors which can influence its service life which will be introduced briefly below.
Zinc galvanized steel coil produced of substrate with cladding layer enjoys the protection from cladding layer. Also, organic coating layer in the cladding layer can has coverage and isolation effect which can prevent steel plate from rusting spread. Thus the service life of zinc galvanized steel coil is longer than that of steel plate with cladding layer.
2. Regional climate.
Zinc galvanized steel coil produced with the same galvanized amount, same coating and same thickness of coating layer used in different regions and different parts has different service life.
3. Finishing coat performance.
Finishing coat can be classified into polyester resin, high-performance polyester, polyvinyl-difluoride resin. What is commonly used is polyester resin in CAMELSTEEL . It can not be affected by fat oleic acid and its coating layer enjoys good flexibility, adhesiveness and mechanical strength.
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CAMELSTEEL Main product:
A. prepainted galvanized steel coil (PPGI).
B. prepainted gavalume steel coil (PPGL).
C. galvanized and galvalume/aluzinc steel coil (GI & GL).
D. prepainted galvanized steel plate and roofing tiles.