Must the wiper blades be replaced if they are aging? When will it be replaced?

    Must the wiper blades be replaced if they are aging? Of course, this must be replaced, otherwise it is very easy to cause a car accident in rainy days. In order to improve the driving safety factor, the aging wiper blade must be replaced. So, how often do we usually replace the wiper blades? Do I have to wait until it has aged before replacing it?

    Generally speaking, the wiper blade life is only about one year. This is because the rubber is very easy to age, so the wiper blade is mostly replaced once a year. Of course, if you pay more attention to it, it can take about one and a half years, but it still depends on the working status of the wiper to determine whether to replace it. Generally speaking, as long as the wiper blade is not dirty, the wiper blade There is no mandatory requirement on the replacement time. Under the sun exposure in summer and the cold in winter, the aging of the wiper blade will be accelerated and cracking will occur. When the wiper is used, it is necessary to replace it when there are residual stains, strip marks, shaking and abnormal noise on the glass. Wiper.

Here are some reasons for the aging of wiper blades:

     1. The abrasion of the knife edge by rain and air (sand, mud, dust, foreign matter);

     2. Corrosion of the coating of the stent immersed in rainwater and cleaning fluid (containing acid or alkali);

     3. Soaking in rainwater and cleaning fluid (containing acid or alkali) will corrode the rubber strip;

     4. Paraffin wax or automobile exhaust gas (oil content); (shaking and pollution)

     5. Cold and low temperature (snow, ice); (make the rubber strip hard and brittle)

     6. High temperature (windshield, sunlight), causing rubber to crack and harden;

     7. Rubber strip damage (ultraviolet rays, ozone);

     8. The pressure of the rocker arm keeps the rubber strip under pressure for a long time;

     9. Ultraviolet rays in the UV spectrum in the sun, as well as temperature and humidity, cause discoloration, brightness/intensity reduction, cracking, peeling, chalking, and oxidation of the stent coating;

     10. Numerous back-and-forth cycles of work, normal wear and fatigue of the rubber strip.