... : NBR, NR, EPDM, Silicone, etc 3.Different sizes Product NameRubber dust bootCertificateISO9001:2008Country of OriginChinaAdvantagea. Ozone and chemical resistanceb. High temperature ... oilSizeWe can provide you with many different sizes of rubber dust boot, according to your drawing or samplesMatetialNBR, NR ,EPDM ,SBR ...