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How to differentiate the inferior aluminum profile?
Dec 05, 2017

Low-quality Aluminum Profile Features:

1, the chemical composition unqualified, in the product doping a large number of miscellaneous aluminum, scrap aluminum aluminum profile cost greatly reduced, but will lead to the construction of aluminum chemical composition unqualified, seriously endanger construction safety.

2, poor quality aluminum material to reduce the closed time, reduce the loss of chemical reagents, the cost of reducing, but the corrosion resistance of the profile also greatly reduced.

3. Thin oxide film thickness. The national standard stipulates that the thickness of the oxide film of the building aluminum should not be less than 10um (micron). The thickness is not enough, the surface of aluminum profile is easy to rust and corrode. Sampling of some of the no production name, site, production license, certification of aluminum, the thickness of the oxide film is only 2 to 4um, and some even have no oxide film. According to the experts estimated that each reduction of 1um oxide film thickness, each ton of profiles can reduce power consumption costs of more than 150 yuan.

4, chemical composition unqualified. It can greatly reduce the cost, but it will lead to the unqualified chemical composition of aluminum alloy, which endangers the construction safety seriously.

Unqualified aluminum profiles, the use of air, rain, sunlight and other effects, resulting in aluminum deformation, and even caused by broken glass and other phenomena.