ENVIRA® E-228 is a multipurpose, water-based, antifoam specifically formulated to prevent and control foam formation over a broad pH range. It is extremely effective when applied to the screen room operations, linerboard machines, secondary fiber systems, and the general wet-end systems. It is very persistent and effective in a system with high solids without causing any deposits. ENVIRA® E-228 also does not contain any mineral oils.