What is the standard of zinc coating for color coated steel plate base material ?

1. Galvanized base material: according to the national standard for the production of color coating galvanized base material zinc coating thickness of the minimum standard of 180 grams, 280 grams of high standard, the base material quality according to customer use.
2. Aluminized zinc base material: according to the national standard for the production of color coating aluminized zinc base material aluminized zinc coating thickness minimum standard is 100 grams.
3. Magnesium aluminum zinc base material: according to the test data of the National Building Materials Testing Center, the same zinc coating thickness of high magnesium aluminum zinc corrosion resistance 10 times that of zinc. Therefore, the use of more than 50 grams of high magnesium aluminum zinc corrosion resistance is better than 180 grams of zinc and 100 grams of aluminum zinc plating, and more economic.