Unique, silicone-free, ceramic protective coating that protects welding equipment from spatter for up to 8 hours without re-application.LOCTITE SF 7900 is a unique, silicone-free ceramic protective coating that prevents metal spatter from adhering to welding equipment. The coating forms a dry film that repels spatter and ensures uninterrupted welding for up to 8 hours without the need for re-application. It is suitable for manual MIG/MAG welding, laser and plasma cutting or for protecting jigs, fixtures and fittings.