The PEL-EST CO-40 is castor oil with 40 moles of ethylene oxide added. This non-ionic surfactant has an HLB of 13 making it a good o/w emulsifier useful as an emulsifier, antistatic agent, lubricant, humectant, dispersing agent or solubilizer. The hydrophobic portion comes from castor oil and the hydrophilic portion, from the polyoxyethylene chain. Elé Corporation manufactures a variety of castor oil-based surfactants, with varying HLBs, cloud points and pour points.