Elastic compounds

Group R Compounds

HNBR: hydrogenated nitrile

Commercial name: Therban Bayer (Bayer AG).
The addition of hydrogen to the compound for NBR rubbers gives them excellent elastic properties, as well as resistance to mechanical stresses and abrasion and resistance to ageing. Such variations are more appreciable at high temperatures (150°C). The range of fluids with which the use of this rubber is compatible also extends.

Temperature table

Maximum temperature

Minimum temperature

150°C

-35°C

Fluid compatibility table

Compatible

No compatible

Mineral oils
Silicone oils and greases
Fluids for refrigeration
Aliphatic, aromatic and chlorinated hydrocarbons
Glycol based fluids
Polar solvents
Oxygen, Ozone, Nitrogen

The Elastotech code for this compound is: ME08XX/YY.

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Introduction
List of names
Principal compounds
Operating conditions and contact fluids
Rainbow C recognition system
Detailed panorama on some compounds of O-rings
Principal table of the compounds