Hi, I am looking for non-ionic surfactants that are water-insoluble (immiscible) and are soluble in paraffin or silicone oil. These surfactants will be used to lower the interfacial tension pf aqueous/silicone or aqueous/paraffin. Please give me some hints if you have related experiences. Sincere, Hong Chen -- Research Assistant, Mech. Eng., URI 92 Upper College Rd., Kingston, RI 02881 Office Tel : 401-874-2247