TRAFFIC FILM REMOVER ( Highly Concentrated) Hugely popular due to its outstanding performance Extremely concentrated formula can be diluted 40-1 Easily removes grease, dirt and built up traffic film Extremely effective, concentrated solution. A blend of alkali compounds, surface cleaning agents and water softeners, it has found to be fully effective whether used in hard or soft water areas. TFR Concentrate removes oil, grease, mud, and general traffic film. This is one of strongest T.F.R's known be careful in use and test dilution rate as when used neat this product has been known to melt Tarmac!!!! You have been warned!!!