Berol® DGR-81 is designed as the only surfactant package needed for high concentrated cleaners and degreasers. Low foam. Berol® DGR 81 is a new type of environmentally improved non-ionic surfactant blend with very good degreasing properties. Berol® DGR 81 is a mixture of alcohol ethoxylate and alkylglucoside. Listed on CleanGredients and Safer Choice.