... from sheet materials, such as gasket paper, rubber, silicone, metal, cork, felt, neoprene, nitrile rubber, fiberglass, Polytetrafluoroethylene (otherwise known as PTFE ... pressure steam systems, may contain asbestos. However, due to health hazards associated with asbestos exposure, non-asbestos gasket materials are used when ... rangeEPDM-30/160NBR-20/120Viton-50/220Silicon-65/200 rubber Gasket