Polyurethane triazine catalyst/Jeffcat TR-90 Overview: Name: Polyurethane hard foam catalyst Polyurethane Hard Foam Catalyst PC41 is a colorless to light yellow transparent liquid with a very faint odor or nearly odorless, easily soluble in water.PC-41 is a chemical substance with the molecular formula C18H42N6. Catalyst PC-41 is a chemical substance, the molecular formula is C18H42N6....