Prepainted galvalume steel coil consists of the top coating layer, primer coating, pre-treatment coating, Al-Zn coating, based metal sheet(cold rolled sheet), Al-Zn coating, pre-treatment coating, primer coating and the bottom coating.

Prepainted galvalume steel coil has the following advantaged features.

1.Long warranty period
At present, the AZ100-150 warranty letter of 55% galvalume sheet promises 10-15 years of non-perforation (in the absence of obvious pollution), while ordinary color coated steel only issue a promise of 8-10 years of color warranty.

2.Good thermal insulation effect
The thermal effect value of 55% aluminum-zinc plate is very high, which can reflect 70% of the heat energy in the sunlight. Therefore, prepainted galvalume steel coilis used in roof and wall materials.

3.Environmental protection
It is directly used in construction, home appliances and other fields, replacing the traditional electroplating industry to a large extent. Prepainted galvalume steel coil has the perfect color, and is easy to recycle and use without pollution.

4.Good processing performance of molding and forming
prepainted galvalume steel coilcan be directly molded without damage, without paint peeling, paint peeling, paint touch-up and other color board processing and molding problems, which are widely used in interior decoration.