ESTOSPAN 40 is a lipophillic (Oil loving ) surfactant. Used for preparing water in oil emulsions. It is used an emulsifier for pharmaceuticals and cosmetic, synthetic resin lubricants. ESTOSPAN 40 is lipophilic emulsifier for W/O emulsions, also for O/W emulsions combination with polysorbate 40.

ESTOSPAN 40 is base raw material for manufacturing (Polysorbate-40/Polyoxyethylene-40) which is further used as an emulsifier for pharmaceuticals and cosmetics, stabilizer for color materials, stabilizer for emulsion polymerizations, emulsifier for adjuvant of agrochemicals, emulsifier for water based metal process cutting oils, surface coating type antistatic agents.