This standard specifies a method for determining the reduction in the reaction force developed by a vulcanized rubber specimen which has been compressed under constant deformation under specified conditions of temperature and time.
NBN T 31-042-1985 history
1985NBN T 31-042-1985 Rubber, vulcanized - Deermination of stress relaxation in com-pression
1980NBN T 31-042-1980 Rubber, vulcanized - Determination of stress relaxation in com-pression