EL30HEL40 1, soluble in water, fatty acids and other organic solvents, with excellent emulsifying properties 2, printing ink and the pharmaceutical industry as emulsifier. 3, can be used for organophosphorus pesticide emulsifier. 4, type of o/w emulsifier, used in each plant, dynamic, mineral oil emulsion. 5, EL40 in the textile industry for wool and wool oil and synthetic oil components, there are both emulsification and antistatic effect, with other spell has better effect to use mixed antistatic agent, can also be used in mixed slurry, to eliminate the synthesis of foam in the pulp. EL - 40 excellent diffusion and protective colloid, in wool spinning industry as monomer and hair oil, easy to wash, good water resistance and hard. 6, used for oilfield crude dehydrating agent. 7, in the preparation of water-soluble metal cutting fluids used in metal processing industry. 8, HEL40 grade can be used as pharmaceutical solubilizer.