There are snow-like spangles on the surface of galvalume sheet metal. And according to the different of steel mill, the spangle size and uniformity will have some difference. With the thickening of the galvalume sheet metal, the size of the spangle varies with the tension of the steel sheet.
The early galvalume production technology is relatively simple. So after complete the surface coating, the galvalume sheet metal will directly put into varieties of products without any treatment. It’s easy to generate stains that can not clean on the surface of galvalume sheet. And then chalking, fall off the coating and lead to rust. Thus it becomes a barrier to the use of galvalume sheet.
CAMELSTEEL learned in the relevant information, in this case, after the repeated tests of steel mill, it is found that the transparent passivation solution can be disposed on the surface of galvalume steel sheet during the plating process, and then drying the passivation solution through the heat.
So we can avoid the fingerprint in the touch process, even if the stain can also be easily cleaned up. Therefore, a lot of people also called galvalume steel sheet as anti-finger galvalume steel sheet.
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