Surfynol 420 Air Products North America Defoamer / Antifoaming agent Wetting agent/ Wet edge enhancer >> Surfactant Coatings >> Waterborne INKS >> Flexographic inks Can Coating General Industrial /Maintenance Other industry >> Paper coatings The Surfy¯ nol 400 series nonionic surfactants from Air Products can offer a unique combination of formulating benefits, including wetting, defoaming and dispersion. Surfy¯ nol 400 series surfactants (Surfy¯ nol 420, 440, 465, and 485 surfactants) are produced by reacting various amounts of ethylene oxide with Surfy¯ nol 104 surfactant, a nonionic molecule with a hydrophilic section in the middle of two symmetric hydrophobic groups. Adding ethylene oxide to Surfy¯ nol 104 surfactant increases the hydrophilic nature of the product, modifying its water solubility, wetting and defoaming characteristics. Depending on the ethylene oxide level, Surfy¯ nol 400 series surfactants function as low-foaming, nonfoaming or defoaming wetting agents in a variety of applications including inks, adhesives, coatings, agricultural chemicals, electroplating, oil field chemicals and paper coatings. It is used in waterborne industrial coatings, internal can coatings, paper coatings and printing inks. It enhances flow and leveling, provide coverage over low-energy and/or contaminated substrates, enhance rapid penetration of absorbent substrates, wet and prevent smut formation in metalworking lubricants, deairentrain concrete and oil field cements, impart mechanical and freeze/thaw stability in latex emulsions as well as narrow particle size distribution. Nonionic surfactant. Used in waterborne industrial coatings, internal can coatings, paper coatings and printing inks. Enhances flow and leveling. Provides coverage over low-energy and/or contaminated substrates. Possesses rapid penetration of absorbent substrates. Prevents smut formation in metalworking lubricants. Imparts mechanical and freeze/thaw stability in latex emulsions.