The market of aluminum alloy doors and windows is growing, and now many buildings are using aluminum alloy doors and windows, so learning to judge the quality of aluminum alloy materials has become a necessary knowledge for consumers. How to judge the advantages and disadvantages of aluminum alloy doors and windows, whether it is aluminum alloy interior doors or aluminum alloy windows, decoration owners must pay attention to the following points when purchasing aluminum alloy doors and windows.

Identification of signs

Regular or licensed production enterprises shall indicate product marks on the obvious parts of their aluminum alloy products, including the name or trademark of the production enterprise, product name, product model or mark, production date or number. There should be obvious words and signs such as "moistureproof", "handle with care" and "upward" on the packing box.

surface quality

There should be no obvious damage to the decorative surface of doors and windows, that is to say, there should be no scratches on the protective film on the surface of doors and windows. There should be no obvious color difference on the color surfaces of adjacent components on doors and windows. There should be no aluminium scrap, burr, oil stain or other stains on the surfaces of doors and windows, and there should be no overflowing adhesive at the assembly joints.

dimensional deviation

The smaller the dimensional deviation of aluminum alloy door and window frames, the better.

Aluminum alloy door and window assembly

Aluminum alloy door and window components should be firmly connected, and the connection parts should be sealed and waterproof with corrosion-resistant filling materials.

Look at the material

There are six main aspects of materials for reference: thickness, strength, chromaticity, flatness, gloss and oxidation degree.