What are the precautions when purchasing extrusions aluminum profiles? The following small series explains for you:
1. Check the product ex-factory certificate, pay attention to the date of manufacture, specifications, technical conditions, company name and production license number.
2, carefully look at the surface condition of the product, the product should be bright and bright, the surface should not have obvious scratches, bubbles and other defects.
3, must pay attention to the wall thickness of the product, the product thickness of the door and window material should 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 is not less than 10μm, the film thickness of the electrophoretic paint product is not less than 17μm, the thickness of the coating of the powder coating does not exceed the range of 40-120μm, and the fluorocarbon paint is sprayed. The product should be above two coats and should not be less than 30μm.
5. Users in coastal areas should choose electrophoretic paint profiles, powder spray profiles or fluorocarbon spray profiles with good corrosion resistance.
6, can not use brush and other hard objects as a cleaning tool for routine maintenance, should choose soft cotton yarn and cotton cloth.
7. You can use water, detergent and soap when cleaning, but you can't use other organic substances.
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