The UPVC sliding door is simply a sliding door made of steel added inside the UPVC profiles. Specifically, UPVC is added with a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbers, etc., and is extruded into a molding material, and then made into a door and window frame fan by cutting, welding or screwing, and is equipped with a sealing strip. , tops, hardware, etc., at the same time to enhance the rigidity of the profile, the steel lining (reinforced ribs) need to be filled in the cavity of the profile beyond a certain length, so that the sliding door is called a plastic steel sliding door.
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