... check the information as below, and contack us:): Rubber MaterialEPDM, SBR, NBR, CR, NRaccording to your ... to your requirementRubber Hardness50A-90Aaccording to your requirement Surface treatment parkerising,Polishing,galvanized, electroplating, spraying, and ... parts, suspension parts (leaf spring bushings, arm bushings, rubber buffers, strut shock mounts, bimetal bushings, etc.), engine ...