... material, gasket tools, boiler gaskets, surplus neoprene, gum rubber, envelope gaskets and more .Typical EPDM SpecificationsExcellent resistance to ... Mercury, Potassium Sulfate, Silver Nitrate, Steam (up to 212 Fahrenheit), Saccharin. For EPDM's gasket materials compatibility with ... 45-55 or 55-65Temperature Range: -40 F to 212 FMinimum Tensile: 800 PSIFinish: SmoothMinimum Elongation: 300%Gauges: ...