What are the precautions when purchasing aluminum profile shell? Here is a brief introduction:

1. Check the product ex factory certificate, and pay attention to the ex factory date, specification, technical conditions, enterprise name and production license number.

2. Carefully check the surface condition of the product. The product shall be bright in color and luster, and the surface shall be free of obvious scratch, bubble and other defects.

3. Pay attention to the wall thickness of the product, and the product thickness of the door and window materials shall not be less than 1.2mm.

4. Pay attention to the thickness of the surface coating of the product. The film thickness of the anodized product shall not be less than 10 μ m, that of the electrophoretic coating product shall not be less than 17 μ m, that of the powder coating shall not be more than 40-120 μ m, and that of the fluorocarbon coating product shall not be less than 30 μ M.

5. Users in coastal areas choose electrophoretic coating profiles, powder coating profiles or fluorocarbon coating profiles with good corrosion resistance.

6. Brush and other hard objects shall not be used as cleaning tools in daily maintenance. Soft cotton yarn and cotton cloth shall be selected.

7. When cleaning, you can use water, detergent and soap, but you can't use other organic substances.