OnFlex™ HFFR 320-01 is a non-halogen flame retardant material designed for flexible power cord insulation and cable jackets. New Product. Commercial specifications have not been established. - Non-halogen flame retardant - UL62 compliant Purge thoroughly before and after use of this product with a low flow (0.5 - 2.5 MFR) polyethylene (PE) or polypropylene (PP). Information provided by PolyOne |