English
The quality of UPVC Window products varies, and the quality of UPVC Window products continues to increase. So how should consumers choose a good UPVC Window?
To distinguish between good and bad UPVC Window's exterior color should be bluish white, the color is too white or gray, indicating that the stable ingredients in the material are insufficient, and it will become brittle and yellow over time; the surface should be smooth and flat, without welding cracks; doors and windows Frames and fan profiles shall be embedded with special profiled lining steel. The sealant strip should be flat, without rolling, no grooving, and the sealant strip should be colorless and tasteless. The hardware is flexible and smooth; the auxiliary materials such as decorative strips and seals of plastic steel doors and windows should be matched with the main profile; the drainage outlet and the standard air pressure equalization hole are produced and processed at the overlapping part to prevent the direct entry of air-conditioning and dust, and the assembly is relatively tight Part of the UPVC Window drainage pipe holes are equipped with a closed outer cover, which can prevent precipitation from being poured into the room from the hole; the laminated glass used in the UPVC Window should be leveled, free of wavy lines, firm installation, and not in direct contact with the plastic profile. The sealing decorative strip is close to the gap. If there is a double-glass compartment, there should be no dust and water vapor in the compartment; there should be aluminum guide rails under the moving windows to facilitate its removal and replacement. In general, double-acting pulleys are better than single-acting pulleys.
The technological content of UPVC Window is very different, and consumers should choose carefully. Before purchasing UPVC Window, consumers should first ask the supplier for the inspection report of the plastic steel profile raw materials, and inquire about its four key index values, namely strength, ultra-low temperature drop hammer test, high and low temperature test specifications, elastic coefficient and angular compressive strength Does the experiment comply with regulations?
