First, aluminum alloy window sealing performance
The introduction of aluminum alloy door experts, choose aluminum alloy doors with inlaid glass, especially products designed with insulating glass, we must pay attention to its sealing performance. If the sealing property is not good, the hollow layer will be contaminated and the appearance will be affected.
Second, aluminum alloy window members
The connection between the aluminum alloy door and window components should be firm, and the connection part should be sealed and waterproofed with a corrosion-resistant filling material.
Third, aluminum alloy window sign
Manufacturers with formal or production licenses shall indicate the product's mark on the obvious parts of their aluminum alloy products, including: manufacturer's name or trademark, product name, product model or mark, date of manufacture or serial number. There should be obvious “moisture-proofâ€, “careful and light†and “upward†words and signs on the package.
Fourth, aluminum alloy window price
Under normal circumstances, high-quality aluminum alloy doors and windows due to high production costs, the price is about 30% higher than inferior aluminum alloy doors and windows. Some manufacturers in order to reduce costs, cut corners, shoddy, product hidden dangers, generally not suitable. Use regular aluminum alloy doors and windows manufacturers' products. You can pay more attention to this information when you buy, so that you can take a lot of detours.
Five, aluminum alloy window processing quality
High-quality aluminum alloy doors, fine processing, welding, especially some stitching parts are very flat. Inferior aluminum alloy doors and windows, blindly choose aluminum profiles and specifications, processing rough and shoddy, door frame corners and other positions can not be flattened, and sometimes even larger gaps. When purchasing, consumers should pay special attention to check for welding defects, such as open welding and leakage welding.
Six, aluminum alloy window material
Whether it is a broken bridge heat insulation aluminum profile, the main profile wall thickness should be greater than 1.4mm; the same aluminum alloy profile should have the same color, if the color difference is obvious, that is, it should not be purchased; check the surface of the aluminum alloy profile, there should be no depression or bulging; aluminum Alloy doors and windows avoid the appearance of open air bubbles (white spots) and ash (black spots), as well as cracks, burrs, peeling and other obvious defects; oxide film thickness should be 10 microns, can be light on the surface of the profile when purchased Scratch and see if the oxide film on the surface can be wiped off.
Seeing the above six secrets, you can choose to have a good quality aluminum alloy door!
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