XtraBond ™ glass coating remover removes an hydrophobic coatings like Rain X TM and improves the bonding characteristics of UV Resin regardless of the resin manufacturer you may be using. Independent test results verify dramatic improvements in adhesion by using XtraBond. The added strength and adhesion XtraBond gives ensures your repair will hold. If you are not using XtraBond you are not giving the customer the best possible repair. Despite what some may think producing quality windshield repairs is becoming more of a science. Dont be left behind.Simply apply a drop of XtraBond to the windshield chip and let it evaporate. Its as easy as that.