Tween 40 is a wax-like ester designed for use in cementing, drilling, pipeline, production, refinery and stimulation. Tween 40 demonstrates excellent properties when working as an oil-in-water emulsifier, wetting agent and a cleaning agent. The Tween series of surfactants are polyoxyethylene derivatives of the Span series products. Tween surfactants are hydrophilic. Tween 40 is generally dispersible in water, and soluble in varying degrees in organic liquids. Frequently Tween 40 is combined with Span 40 to promote emulsion stability.
|Form at 25°C||Liquid|
|Density||g/ml at 25°C||1.0800|
|PH||1% in 85/15 IPA/Water||5-7|
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