Sprayers Plus 35C Hand-Held Compression Sprayer is designed to be used for foam release solution, form oil, diesel, curing compounds, oil based primers & oil or water base sealants. It is touted to be the ideal sprayer to apply solvent base curing and sealant to expose aggregate and decorative concretes. One of the many key features of 20C/ 35C is the chemical resistant hose which completely impervious to the solutions and chemicals that have approved for use in these models. It also comes with a pressure relief valve, an important safety feature.