A semi-crystalline thermoplastic, PVDF is used in applications requiring
the highest of purity and will withstand harsh chemicals, PVDF is one of the highest radiation resistance plastics available, only seconded by PEEK and Polyimide.
It's highly desirable insolubility and electrical properties result from the polarity of alternating CH2 and CH2 groups on the polymer chain.
PVDF has a low density (1.78/cm3) compared to other fluoropolymers.