An ethylene-butene copolymer that has higher molecular weight, better toughness, and higher melt strength than other commercially available polyolefin elastomers. It is well suited for extruded applications such as Wire & Cable. The main characteristics are: pellet form, high melt strength, improved toughness, talc dusted (untreated, 1 µm). The applications are: wire & cable. It can serve as an extender for SEBS, impart lower gloss in hard TPOs, provide the basis for flexible soft-touch compounds. This is also useful for impact modification of various thermoplastic resins.