Static procedure for determining the relative stiffness characteristics of vulcanized or thermoplastic rubbers over a temperaturerange of approximately 23C to $-150C.
BS 903-A13:1990 history
2013BS ISO 1432:2013 Rubber, vulcanized or thermoplastic. Determination of low-temperature stiffening (Gehman test)
1990BS 903-A13:1990 Physical testing of rubber - Method for determination of stiffness at low temperature (Gehman test)