For parts that need to perform in highly demanding wet environments, PVDF is the material of choice. PVDF has excellent chemical resistance and is easily machined. Its very low water absorption permits the unrestricted use of the material in liquids. It has a very wide operating temperature range, and good thermal and electrical properties. PVDF retains its properties after years of continuous use, with no swelling or structural changes over time. It is self-extinguishing and has a flammability rating V-O according to UL 94. PVDF is primarily used in the chemical processing, fluid handling or food processing industries.