Our automotive protective coating spray is carefully formulated with deionized water and polytetrafluoroethylene. Designed specifically for the rapid dissolution of rust deposits. The usage method is extremely convenient: Thoroughly clean and dry the glass, evenly spray it on the glass surface, wait for 3 to 5 minutes for drying, and then polish it with a dry cloth until it is as clear as crystal. And it can clean and activate metals. Prevent further corrosion.