- PVDF (Polyvinylidene fluoride)
Polyvinylidene Fluoride, or PVDF is a highly non-reactive and pure thermoplastic fluoropolymer.
PVDF is a specialty plastic material in the fluoropolymer family; it is used generally in applications requiring the highest purity, strength, and resistance to solvents, acids, bases and heat and low smoke generation during a fire event.
Source: http://en.wikipedia.org/wiki/Polyvinylidene_fluoride