Shop for FEP sheets. FEP (fluorinated ethylene propylene) is a copolymer often used when chemical resistance, high purity, and low stiffness are required. FEP has outstanding electrical properties and UV resistance. FEP FDA compliant grade is available. Custom cuts and cut-to-size available. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.