Description Formion® FI 391 is a non-reinforced, injection molding grade Ionomer, which has been formulated for scratch resistance, low temperature ductility, and medium stiffness. Formion F1 391U is UV stabilized to exceed SAE J1960 2500 kj/m2 automotive performance criteria, and is targeted for non painted, mold-in-color, exterior or interior appearance applications. Information provided by A. Schulman. |