polyether defoamers are 100% active, silicone-free non-ionic antifoaming agents for continuous foam control in fermentation bioreactors (citric acid, yeast, antibiotics, amino acids), industrial wastewater aeration basins and MBR units, pulp washing and papermaking systems, and cementitious construction materials. Key performance characteristics: biologically inert,no toxicity to fermentation microorganisms; silicone-free, no oil drift, no film cratering; broad pH tolerance (4.0–9.0 depending on grade); and 100% active content, no water carrier, maximum defoaming efficiency per unit weight.
