3. Economy of the galvalume steel
Because the density of 55% Al Zn is smaller than that of Zn, the area of aluminum plated zinc steel plate is more than 3% larger than that of zinc plated steel plate under the condition of the same weight and the same thickness of gold plating layer.
4.Galvalume steel is easy to paint The galvalume steel has excellent adhesion to the paint and can be painted without pretreatment and weathering treatment.
The coating adhesion of the gold-plated layer of galvalume steel is excellent, so it can also be directly coated on advertising boards and general plates without pretreatment such as weathering.
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