Kynar Flex 3030‑50: Arkema’s High‑Viscosity PVDF for Superior Extrusion Performance

Arkema of King King of Prussia, Pa., has launched a new high‑viscosity PVDF resin—Kynar Flex 3030‑50—tailored for extrusion processes. The material’s enhanced molecular weight and cross‑linking capability make it an attractive choice for wire and cable, fuel line, and industrial hose applications.

Kynar Flex 3030‑50 is a tough, highly flexible polymer that delivers low‑temperature impact resistance while maintaining excellent high‑temperature performance. In comparison, the low‑viscosity Kynar Flex 3030‑10 has long been used in high‑speed wire and cable extrusion, tube extrusion, and injection‑molding. The higher‑molecular‑weight variant expands the Kynar PVDF family into new markets, offering superior mechanical and thermal properties.

Kynar Flex 3030‑50 retains the hallmark qualities of the Kynar PVDF line—exceptional flexibility, low smoke and flame emission, UV stability, and outstanding chemical resistance. Unlike its low‑viscosity counterparts, it keeps the same low‑temperature cold‑bend performance down to –60 °C (–60 °F) and offers improved cold‑temperature impact resistance. The higher molecular weight also enables more efficient cross‑linking, raising the continuous use temperature from 150 °C (302 °F) to 175 °C (347 °F).

Key applications include cross‑linked automotive cable, downhole cable, automotive fuel lines, and industrial hoses—anywhere where durability and thermal resilience are critical.