Our range of high quality raw materials like EPDM Rubber, silicone rubber, neoprene rubber, SBR, butyl, natural rubber, etc. Round Cross Sections: 0.039"~2.000" Square Cross Sections: 0.099"~1.000" Durometers from 40-90 Non-Standard Colors Available It can be supplied in the following standard materials: Nitrile, FKM, Silicone, EPDM, Neoprene.