How to Identify the Quality of Aluminum Alloy Doors and Windows? -WJW Aluminum Supplier Aluminum

The aluminum alloy doors and windows are favored by consumers with their unique advantages such as light weight, high strength, corrosion resistance, and squeezing into various new complex cross -section materials. In fact, we must distinguish the quality of aluminum alloy doors and windows, but just look at the two hands and listen to a few points. The quality of the aluminum alloy doors and windows is as follows: the thickness of the section is currently 70 and 90 series of aluminum profiles, the national standard wall thickness is 1.2mm or more, high -quality high -quality Aluminum -type wall thickness 1.2mm 2.0mm. How does oxidation look at the degree of oxidation of alien materials? In fact, this is very simple, that is, gently scratch when choosing and purchasing profile surfaces, and see if the surface of the oxide film can be wiped off after scraping. Warm reminder, this test should not be performed on the sample window, which can be made on the materials displayed by the merchant. In general, the cross section color of high -quality aluminum profile is silver -white and uniform texture. If the color difference in the same type of material is obviously inconsistent, or the color is dark, it is not recommended to choose and buy. become. The surface of the contour surface is smooth and bright, and the surface of the aluminum profile is flat and bright, no depression or protrusion. The surface of the aluminum alloy doors and windows processed by large manufacturers is relatively smooth and bright. The aluminum alloy doors and windows processed by small workshops will more or less slightly bumps due to mechanical or raw materials. The shape of this aluminum alloy material is easy to oxidize and deform in the later stage. When buying the strength of the profile, you can curved the profile moderately by hand. If you do not work hard to bend the profile, you can draw conclusions. The strength of the aluminum profile does not meet the standard. In addition, the strength of the profile does not get better, the better, aluminum has a certain toughness and non -rigid material, which uses this feature to forge different shapes. Therefore, the owner needs to identify the brand when purchasing. Obvious defects such as outline and aluminum alloy doors and windows to avoid buying empty bubbles, ash residues, and cracks, burrs, peeling off the profiles. If the above phenomenon exists, it can be concluded that the secondary processing of regenerative aluminum or waste aluminum is caused by uneven looms and the proportion of alloy is not neat, and it is easy to crack and oxidize later. Sound insulation sealing. When looking at the structure of the profile, when buying aluminum alloy doors and windows, you must pay attention to the sound insulation and sealing, but also depends on the construction principles to avoid the use of consumers to understand the psychology of the product, to simplify or save the seal structure design, reduce Aluminum cost. Use two types of wool bars to combine sealing methods to operate the sealing process, increase the number of seal layers, reduce the number of seal layers and air convection, and use automotive seal bands to make the sealing performance better.