This product is widely used in construction sector.  It is an innovative, all-ready product, extremely powerful and efficient that removes concrete and lime from construction vehicle and equipment. It is 95% biodegradable product. APPLY WITH LOW PRESSURE. Spray the affected area, wait 1 - 2 hours (it depends on the level of soiling and the time in which the vehicle remained dirty, wait until the concrete becomes slushy). Keep it wet during the process, rinse it off thoroughly using the high pressure washer. Min Requirements: Normal Pressurized Sprayer and High Pressure Water Optimal Requirements: Foam Lance and High Pressure Water Jet High Pressure: High Pressure Water Jet Ranges from 90 bar to 150 bar Low Pressure: Normal Water Hose Pipe Ranges from 3 bar to 15 bar