product description jeffcat zf-24 is a 23% solution of bis -(2-dimethylaminoethyl) ether (zf-20) in dipropylene glycol. it is a clear, colorless liquid with a mild odor. jeffcat zf-24 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...