O ring manufacturing process 1.Silicone FKM FPM VITON A VITON B GF GFLT ... nameO ring manufacturing process MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT,AFLAS,HNBR... ColorRed, blue, pink,white, black, any color ... . Details Show oil and fuel resistance superb quality o ring manufacturing process HNBR FKM FPM VITON A VITON B GF GFLT GLT ...