What is the classification of color coating substrate

Hot-dip galvanized substrate

The products of coating organic coatings on hot galvanized steel sheet are hot-dip galvanized color coated plates. Besides the protective effect of zinc, the organic coatings on the surface also play an important role in insulation protection and rust prevention, and the service life is longer than that of hot galvanized steel sheets. The zinc content of hot galvanized substrate is generally 180g/m2 (double sided), and the maximum zinc plating of hot galvanized base for building is 275g/m2.

Thermally plated al zine substrate

Using hot galvanized steel (55%Al-Zn) as a new substrate, usually aluminium zinc quantity is 150g/ square meters (double). The corrosion resistance of the hot plated aluminum zinc plate is 2 - 5 times that of the hot-dip galvanized sheet. Continuous or intermittent use at a temperature of 490 degrees centigrade will not seriously oxidize or produce oxide skin. The ability to reflect heat and light is 2 times that of a hot-dip galvanized steel plate, and a reflectivity of more than 0.75 is an ideal building material for energy saving.

Galvanized substrate

Galvanized steel plate is used as the base plate, and the products that are baked by organic coatings are galvanized color coated panels. Because the zinc thin layer of galvanized sheets is usually 20/20g/m2 thin, the product is not suitable for outdoor walls, roofs, etc. But because of its beautiful appearance and excellent processing performance, it is mainly used for household appliances, sound, steel furniture, interior decoration and so on.

Zhejiang Jubai Steel Co.,Ltd

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