FLUONOX® KR220 is a low viscosity copolymer consisting of VDF and HFP. It does not contain curatives. It can be cured with diamine or bisphenol AF curing systems. FLUONOX® KR220 can be used for injection and transfer moulding of O-rings, gaskets and seals. It can be extruded into hoses and profiles. It can also be used in a blend with cure incorporated grades to tune crosslinking density and/or viscosity.