How to identify the quality of solar aluminum type

1, identity checks: Solar aluminum and packaging products are marked with the standard code and production license number, etc.;

2, the surface quality: In addition to the solar aluminum surface should be clean, does not allow cracks, peeling, corrosion and bubbles and other defects exist, but also does not allow corrosion spots, electrical burns, dark spots, shedding oxide film defects such as;

3, the oxide film thickness: Solar Aluminum Alloys oxide film is formed by anodic oxidation, a protective and decorative effect, can be used to detect eddy current thickness;

4, the sealing quality: on-site inspection in general by acid leaching, poor sealing will leave visible traces of solar aluminum, traces of heavier Description sealing quality worse;

5, the corrosion resistance: can be alkali drop test, was visually observed until the droplet at corrosion bubbling oxide film is calculated through time, this test easily outdoors in the summer coarse synchronization judgment, in order to ensure the test Accuracy in the laboratory must be carried out under stringent conditions require.