Recently, there have been many accidents of falling high-altitude windows and smashing people. This kind of accident itself can be controlled, but it has happened again and again, the reason is because of the problem of window material. Cheap doors and windows are likely to use recycled aluminum!
Recently, there have been many accidents of falling high-altitude windows and smashing people. This kind of accident itself can be controlled, but it has happened again and again, the reason is because of the problem of window material. Cheap doors and windows are likely to use recycled aluminum! So how to distinguish primary aluminum from recycled aluminum? Before discussing this topic, we should first understand what recycled aluminum and primary aluminum are:
recycled aluminum is a 1653-to-aluminum alloy or aluminum metal extracted from waste aluminum and aluminum waste alloy materials or aluminum-containing wastes, which is an important source of metallic aluminium. Primary aluminum is pure aluminum extracted from aluminum ore bauxite through electrolytic cell.
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recycled aluminum is the aluminum produced by remelting discarded aluminum materials, such as abandoned automobile parts, cans, aluminum alloy doors and windows, etc.
Aluminum is a recyclable resource. At present, recycled aluminum accounts for more than virgin aluminum of the world's annual output. Recycled aluminum has the same performance as virgin aluminum. It can be remelted, refined and purified by recycled aluminum ingot. After adjusting the chemical composition, it can be made into various cast aluminum alloy and deformed aluminum alloy, and then processed into aluminum castings or plastic processed aluminum materials.
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nowadays, there are many kinds of profiles in the door and window market, but most of them are aluminum profiles, but there is not only one type of aluminum profiles, including raw aluminum and recycled aluminum, the difference between the two is that the original aluminum is relatively bright in color and high in strength. When you see the word regeneration, you can almost know that it is recycled and reprocessed, and it is not comparable to the original aluminum in any respect!
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how to distinguish primary aluminum from recycled aluminum?
1. Profile
if you want to choose a good one, it depends on whether it is native aluminum! The best aluminum profile is 6063 aviation grade primary aluminum. Shengbo shield doors and windows have been used as doors and windows for six years. Aviation grade primary aluminum is standard! The wall thickness must be paid attention to when choosing. According to national regulations, the main wall thickness of ordinary aluminum alloy structural profiles should not be less than 1.4mm. If it is lower than this standard, it is inferior profiles!
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2. Hardware accessories of doors and windows
it is also the most easily overlooked point. Many people think that hardware is the supporting angle of doors and windows. This is a wrong statement. Hardware is actually the heart of doors and windows. No matter how good the profile glass is, it depends on hardware support, the quality of door and window hardware directly affects the service life of doors and windows, so it is one of the most important. The common hardware of doors and windows mainly includes handle, hinge, hinge, bar lock, fall-proof rope, lock seat, lock points and so on, hardware accessories can be bought casually in the market, mainly depending on the quality, the standard is the only indicator!
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3. Glass
there are many types of glass, and different ones can be chosen according to different performance. The housing orientation is west-facing and can be picked. Heat-absorbing coated glass is used for sound insulation, heat insulation, wind resistance is generally suspended by double glazing unit, and hollow glass is more insulated and sound-absorbing than single glass, when choosing glass, we often see the thickness of "5 15A 5" or "5 20A 5". The thickness of the 5th generation is the thickness of the glass, and the 15A represents the hollow distance between two pieces of glass, the larger the distance, the better the sound insulation!
So when selecting doors and windows, you must polish your eyes! Carefully select, don't let the accident happen again.
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