TF 216 is a radiator repair liquid that grants a 100% safe employment, without any kind of troublesome obstructions that could damage the radiator itself. Our product is of a very high quality and does not effect on the water temperature. When used, TF 216 forms a very light but very resistant plastic layer on the small leaks and cracks, that normally rise losses and infiltrations to the engine. The product does not wear metals or rubber parts away.