Chemguard S-559 is a 40%-active short-chain perfluoro-based ethoxylated nonionic fluorosurfactant. It provides surface tensions as low as 22 dynes/cm in water at low concentrations and is also surface active in many solvents. This product has excellent dynamic surface tension properties, allowing rapid attainment of low-equilibrium surface tensions. Due to its exceptional surface activity, Chemguard S-559 imparts excellent wetting; spreading, leveling, and flow-control properties to various types of water-based as well as solvent-based coating formulations.
S-559 is an ideal replacement for DuPont Zonyl* FSN.
*Zonyl is a registered trademark of E. I. du Pont de Nemours and Company.