FLUONOX® KB4303 is a 68.5% fluoroelastomer terpolymer which consists of HFP, VDF, and TFE. FLUONOX® KB4303 is Bisphenol AFcure incorporated fluoroelastomer. It is suitable for injection moulding. FLUONOX® KB4303 grade is an excellent choice for making O rings, seals, and gaskets. It shows improved chemical resistance than copolymers in polar fluids and oxygenated gasoline.