Antifoam Concentrate an anti-foaming agent that is designed for application as a tankside defoamer to water-based metalworking fluids andcleaners. POT 9130 Antifoam Concentrate is water miscible, and will not haze or separate during storage and will provide maximum defoamer aging efficiency when incorporated into net formulations. The use of MWF Antifoam Concentrate at the prescribed treatment levels will not interfere or impair subsequent finishing operations such as painting or plating.