Upvc door and window are made of U pvc plastic frame and steel inserts for strengthen the wind resist ability.
Nowadays, the price of upvc doors and windows on the market is quite different, and the quality is different. As ordinary consumers, is there any easy way to distinguish the quality of upvc fixed glass window?
To identify the quality of plastic-steel doors and windows, we must first look at the material, which is UPVC profile. A good UPVC profile should have multiple cavities, reasonable design, and thicker walls. Because of the addition of anti-aging agents and anti-ultraviolet additives to the formula of high-quality UPVC profiles, the color of its appearance should be white and blue, and it should be smooth to touch.
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