Optical protective film can prolong the life of plastic steel doors and windows. During use, we should pay attention to the maintenance and maintenance of plastic steel doors and windows.

a. The dust on the doors and windows should be cleaned regularly to keep the doors, windows, glass, and hardware clean and bright.

b. If the doors and windows are contaminated with oil stains and other difficult-to-clean things, do not use strong acid or alkali solutions to clean, otherwise it will not only easily damage the surface finish of the profile, but also damage the PE protective film and oxide layer on the surface of the hardware and cause UV Corrosion of the hardware of the lamp special transformer.

c. The particles and other debris inside the high-pressure spray gun frame should be cleaned up in time to avoid blocking the drainage channel and causing poor drainage and water leakage.

d. When opening doors and windows, the force should be moderate, and try to keep the speed even when opening and closing.

e. When you find that the doors and windows have flexible opening or other abnormal conditions during use, you should find the cause in time. If the customer cannot eliminate the fault, you can contact the door and window manufacturer and supplier so that the fault can be eliminated in time.

f. Try to avoid hitting doors and windows with hard objects or scratching the surface of the profile.