How To Choose Good Quality Aluminum Alloy Windows
1、Look at the Raw materials
Normally, raw materials used for the high quality aluminum alloy doors and Windows, the thickness, intensity and oxidation film are all meet the requirements of national standards. For example, the thickness of aluminum alloy doors and Windows should be more than 1.2 mm while oxidation film thickness should achieve 10 micron.
2、Look at the processing
Generally, the high grade aluminum alloy doors and Windows, its processing is very careful, installation is exquisite, sealed performance is good, switch freely. But the inferior aluminium alloy door and window, the raw materials can not meet the standard specifications, while in the aspect of processing often appear the phenomenon of uneven, sealed performance is poor. It appears not only rain of air leak leakage phenomenon, and encounter blast and large outside force , it is easy to cause glass cracking phenomenon. The glass will blowing fall or touch fall.
3、Look at the appearance
Appearance of aluminum alloy window and door is also very critical link, aluminum alloy doors and Windows have artificial oxide film and coloring formation on the surface to composite membrane layer. This kind of composite membrane is not only corrosion resistance, wear resistance, and have certain fire prevention function, glossiness is very high. Therefore, when you choose aluminum windows or doors, try to compare with as many as possible, choose formal aluminium alloy window and door manufacturer, select the processing precision, accurate, flexible and convenient opening and closing without noise, and adornment effect elegant products.
4、Look at the price
In general, the high quality aluminum alloy doors and Windows is with 30% higher price than the inferior windows anddoors due to its high produce cost. Some of thickness of aluminium alloy door profile is only 0.6 to 0.8 millimeter, tensile strength and yield strength is much lower than country standard. The relevant standards is necessary, the inferior aluminium alloy door is very unsafe.
5、Look at the performance
Assessment of aluminum alloy doors and Windows are usually the following main properties: strength, air tightness, water tightness, opening and closing force, sound insulation, thermal insulation, nylon guide wheel durability, open lock durability and other factors.