Plastic-steel windows will gradually deform after using 10-20 years, and will change color after using for 5 years, changing from white to light yellow. The two shortcomings of plastic steel doors and windows, deformation and discoloration, greatly reduce the service life of plastic steel doors and windows.
Plastic steel doors and windows are made of PVC resin as the main raw material, with a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbers and so on. , extruded into profiles, and then cut, welded or screwed to make door and window sash, which is equipped with sealing strip, top and hardware.
In order to enhance the rigidity of profile, it is necessary to fill steel lining (reinforcing rib) in the cavity of profile exceeding a certain length, and the doors and windows made in this way are called plastic steel doors and windows. Therefore, the price of plastic-steel windows is slightly more expensive than other types of plastic-steel windows.
Extended data
Correct maintenance of plastic steel window
Regularly clean the dust on doors and windows, and keep the glass and hardware clean and bright.
Doors and windows are stained with oil stains and other things that are difficult to clean. You can scrub with Jieerliang instead of strong acid or alkali solution, which will destroy the protective film and oxide layer on the surface of hardware and cause corrosion of hardware. In particular, some customers should be careful not to dirty the doors and windows when cleaning the walls with sulfuric acid.
Clean up the particles and other sundries in the frame in time to avoid blocking the drainage channel and causing poor drainage and water leakage.
When opening doors and windows, the strength should be moderate, even if the switch should keep the speed.
When the doors and windows are found to be inflexible or have other abnormalities during use, the reasons should be found in time. If customers can't troubleshoot, they can contact the manufacturers and suppliers of doors and windows in order to troubleshoot in time.
Reference source: Baidu Encyclopedia-Plastic Steel Window