To clean the crack i use crc natural degreaser

[lemataj]

Hi guys what do you`ll use to clean the surfice of the winddshield. Eg: rainX and other chemicals customers uses to clean thier windshield, that don`t agree with the resin?

[Brent Deines]

I use Cerium Oxide. It works well for removing Rain-X and similar products, and it is very safe. 0000 steel wool or the equivalent Scotch Bright pad also works pretty well and is equally safe to use. Acid based products work very well, but can damage paint, metal, and even glass if not used properly.

Whatever you choose, always be sure to test the product thoroughly before using it on a customer's windshield.