440 Wetting Agent

• Order Code: Surfynol 440 • Type: Low-foam Dynamic Wetting Agent • Brand: Evonik • Acetylenic-based dynamic wetting agent that lowers dynamic surface tension with low foam • Significantly lowers surface tension • Improves pigment/filler dispersion and leveling • Prevents color floating and flooding • Appearance (25C): Transparent liquid • Active Content: 100% • Specific Gravity: 0.982 • pH (1% aqueous): 6-8 • Viscosity (20C): ＜200 cps • Pour Point (ASTM D97): -55F • HLB: 8 • VOC: 4 wt% • Dynamic Surface Tension (0.1%, 25C): 34.5 mN/m • Static Surface Tension: 32.2 mN/m • Application: Waterborne coatings; pigment grinding; ink dispersion; adhesive leveling