Wiper use long only a long time, then the rubber material will certainly deteriorate, so it is necessary to replace, in general, the life of the car wiper film is basically affected by the environment, regardless of the frequency of use, as long as exposed to the air, will let it slowly aging, so in the use process, we can not find its use long after, will lose the elasticity of the curl, slowly scraping is not clean, this is because it maintains a fixed curl state, and the car glass can not be completely affixed.