Calfoam® ES-603 is a clear and 60% active solution of sodium lauryl ether sulfate that contains an average of 3 moles of ethylene oxide. Calfoam® ES-603 is a naturally derived surfactant that is pourable and pumpable at ambient temperatures. Calfoam® ES-603 contains ethanol as a solvent. Ideal for application in environmentally friendly HI&I products.