polyurethane catalyst pc41/pc41/pc-41 overview: name: polyurethane catalyst pc41 alias: catalyst pc41, catalyst pc-41, polyurethane catalyst pc41, pc41, pc-41 pc41 is a colorless to light yellow transparent liquid with a very faint odor or nearly odorless, easily soluble in water. relative density: 0.92-0.95 viscosity (25℃): 26-33mp.s flash point: 153°c (coc) or 132°c (tmcc) boiling point: 255℃...