jeffcat zf-22 is a 70% solution of bis -(2-dimethylaminoethyl) ether (zf-20) in dipropylene glycol. it is a clear, colorless liquid with a mild odor. jeffcat zf-22 is compatible with most common polyols and isocyanate systems. it is also compatible with water-based systems. physical and chemical properties: properties value appearance clear colorless liquid scent mild, amine-like...