How to Identify the Quality of Solar Energy Aluminum Profiles

(China Aluminum Network) The methods of identifying solar profiles’ quality:

1.     Check Marks: whether solar profile and its packaging have product standard code, production license code and other licenses;

2.     Surface Quality: the surface should clean, without flaw, peeling, corrosion, bubble, corrosion spot, electric injury, black spot oxidation film drop and other defects;

3.     Oxide Film Thickness: solar profile’s oxidation film was formed while anodizing, possesses protection and decoration functions, can use eddy current thickness meter conducts inspection;

4.     Hole Sealing Quality: the on-site inspection always adopt acid leaching method, poor hole sealing may leave sharp trace, heavier trace means poor quality;

5.     Corrosion Resistance: adopt soda drops test, watch the droplets till produce corrosion bubbling, summer is more suitable to do this test and outside. In order to ensure veracity, must proceed with sever lab conditions.

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