jeffcat zf-20 is a double (2-dimethylaminoethyl) ether catalyst for the production of polyurethane foams. it is a clear, colorless liquid with a mild odor. jeffcat zf-20 is compatible with most common polyols and isocyanate systems. it is also compatible with water-based systems. physical and chemical properties: properties value looks clear colorless liquid scent mild, amine-like...