Diamond Performance TFR Traffic Film Remover is a citrus based pre-wash, highly concentrated at a stated 400:1 dilution ratio and mixable with hot or cold water. It is designed to be applied before the main wash, loosening traffic film and road grime so less scrubbing is needed at the contact wash stage. As a pre-wash product it should be followed by a dedicated car shampoo rather than used on its own. It suits regular use on vehicles that pick up heavy traffic film, and pairs well with a snow foam or shampoo pre-wash routine, a soft brush for stubborn areas, and a two bucket wash method. Always rinse thoroughly before the solution has a chance to dry on the paintwork.