Observe the paint: the choice of paint must be special paint for aluminum top hung window, such as fluorocarbon spraying paint on the market at present, to have a good texture and corrosion resistance, but also anti-ultraviolet yellowing and anti-fading, and spray uniform no color difference dust particles, aluminum alloy joint color control within 0.2° is the best.
The overall width of aluminum alloy doors and windows should be appropriate, the overall width of the profile can not be less than 55mm, otherwise it is easy to appear that the strength of aluminum alloy is too low in the use of aluminum frame deformation or safety accidents, and then affect the use of windows.
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