... o ring food grade MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed, blue, pink,white, ... materials in defense industrial airplanes and rocket, hose or other parts and automobile industry.PackageNormal packing, or customizedDelivery time7-12 ... and high temperature resistancesilicone o ring food grade in mechanical parts HNBR FKM FPM VITON A VITON B GF GFLT GLT AFLAS