Temperature Range

–100°00100°200°300°400°500°600° F
Nitrile
EPDM
Neoprene
Silicone
Viton
Polyurethane
Fluorosilicone
Aflas
Kalrez

0–73°–18°038°093°149°204°260°316° C

Materials are listed in order of least to most expensive.

Nitrile (Buna-N, NBR)
–30°F to 250°F (–34°C to 121°C)

EPDM (Ethylene Propylene, EPM)
–70°F to 300°F (–57°C to 149°C)

Neoprene (Chloroprene, CR)
–35°F to 225°F (–37°C to 107°C)

Silicone (VMQ)
–65°F to 400°F (–54°C to 205°C)

Viton (Fluorocarbon, FKM)
–15°F to 400°F (–26°C to 205°C)

Polyurethane (AU, EU)
–40°F to 180°F (–40°C to 82°C)

Fluorosilicone (FVMQ)
–100°F to 350°F (–73°C to 177°C)

Aflas (Tetrafluoroethylene Propylene, FEPM)
25°F to 450°F (–4°C to 232°C)

Kalrez (Perfluoroelastomer, FFKM)
–15°F to 600°F (–26°C to 316°C)