Applications:
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Wetting (& de-wetting) agent: it decreases the surface tension of a liquid to assist in the penetration & spreading of another liquid or solid
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Dispersant: it stabilizes the spread of a substance into another substance, especially useful in oil spills to remove large amounts of petroleum from the surface of water
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Emulsifier: as a food additive, it suspends one liquid into another, as in a vinaigrette salad dressing or margarine
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Cleaners & detergent: it is used widely in industrial laundry, especially in liquid detergents, and in other industries to control machine deposits and clean equipment
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Foaming agent: it accelerates foam development in products