Resources
Nominal Temperature Range of Insulating and Jacketing Compounds

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Compound Normal Low Normal High Special Low Special High
Chlorosulfonated Polyethylene
(Hypalon)
-20°C 90°C -40°C 105°C
EPDM
(Ethylene-Propylene-Diene Monomer)
-55°C 105°C 150°C
Neoprene -20°C 60°C -55°C 90°C
Polyethylene
(Solid and Cellular)
-60°C 80°C
Polypropylene
(Solid and Cellular)
-40°C 105°C
Rubber
(EPR, Hypalon)
-30°C 60°C -55°C 75°C
FEP -70°C 200°C
PVC -20°C 80°C -55°C 105°C
Silicone -80°C 150°C 200°C
Halar -70°C 150°C
Tefzel -65°C 150°C
TFE
(Harsher Environments)
-70°C 260°C

Hypalon and Tefzel is a registered trademark of DuPont
Silicone is a registered trademark of General Electric
Halar is a registered trademark of Ausimont Corporation

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