BUTYL (IIR) O-RINGS

Parker’s Butyl (IIR) o-rings are made from synthetic rubber, a copolymer of isobutylene and isoprene. Butyl offers an extremely low gas permeability rating, which make butyl o-rings an ideally suitable choice for seals in the military industry sealing gas mask and protective clothing. Butyl o-rings are found in various industries due to its wide-ranging chemical resistance. Butyl o-rings are also referred to as isobutylene-isoprene o-rings or IIR o-rings. We are your butyl o-ring supplier!