Group M Compounds
CSM: chlorosulphonal polyethylene
Commercial name: Hypalon (Du Pont).
These rubbers present an excellent resistance to the factors that accelerate ageing, a good level of electrical insulation and a reasonable resistance to breakage. The presence of chlorine makes the rubber flame resistant and gives it self-extinguishing properties. It is not suitable for use in contact with many fluids of mineral origin, but resists well to contact with acids, base chemicals and many oxidative agents.
Temperature table
Fluid compatibility table
The Elastotech code for this compound is: ME16XX/YY.
These rubbers present an excellent resistance to the factors that accelerate ageing, a good level of electrical insulation and a reasonable resistance to breakage. The presence of chlorine makes the rubber flame resistant and gives it self-extinguishing properties. It is not suitable for use in contact with many fluids of mineral origin, but resists well to contact with acids, base chemicals and many oxidative agents.
Temperature table
| Maximum temperature | Minimum temperature |
| 120°C | -30°C |
| Compatible | No compatible |
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