On the market broken bridge aluminum doors and windows there are many types, so how should consumers judge which ones broken bridge aluminum doors and windows it is better, which broken bridge aluminum doors and windows is it not that good? Now let Xiao Bian teach you a few tricks to solve these problems.
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Broken bridge aluminum doors and windows it has the characteristics of strong sealing performance, good sound insulation and heat preservation effect, etc. Aluminum alloy doors and windows nowadays, it is widely used in construction. Although the previous aluminium windows avoided some shortcomings of copper window, the profile itself is a metal material with fast cold and heat conduction, which cannot fundamentally solve the problems of sealing and heat preservation. At present, many doors and windows enterprises have developed building aluminum profiles with broken bridges and insulation, that is, they are disconnected with hard plastic in the middle of aluminum profiles to block the heat conduction of aluminum alloy, so as to achieve the same heat insulation effect as plastic steel windows, the problem of high heat transfer coefficient of aluminum profile is solved.
1. Oxide film thickness thin
the national standard stipulates that the thickness of building aluminum profile oxide film should not be less than 10um (micron).
The thickness is not enough, and the surface of aluminum profile is easy to rust and corrode. Some aluminum profiles without production names, factory addresses, production licenses and certificates in the sampling inspection are only 2 to 4um in thickness at oxide film, and some even do not have oxide film.
2. Unqualified Chemical composition
adding a large amount of miscellaneous aluminum and aluminum waste aluminum profiles can greatly reduce the cost, but it will lead to unqualified chemical composition of building aluminum profiles, seriously endangering the safety of construction projects.
The above are some of your choices. Broken bridge aluminum doors and windows some suggestions that you can refer. I hope everyone can choose the most cost-effective door ~
