Some grades of clay however should not be used on clear plastics unless you intend to polish them afterward.
Clay bar windows.
Then you ll need to apply a lubricant to the glass and run a small piece of clay bar over the windshield or windows.
Clay barring your car s exterior windows helps remove hard water spots light etching and any contaminants that might cling even after razor blading.
The process to clay glass is essentially the same as paint.
This product is specifically engineered to remove dirt and contaminants from surfaces.
More accurately a clay bar is a synthetic resin substance although in the past natural substances were used.
You ll be amazed how smooth and water shedding the glass will be afterward.
Glass cleaning clay bars require a lubricant.
Use a clay bar on your windows the next time you detail your car.
I like adams polishes sm blue waffle weave towels but you can probably find a cheaper towel from the rag company.
You ll need to thoroughly wash and clean your glass first.