Patent ID: 8177239

Claim:
Elastomeric sealing element, comprising a first and a second sealing section, wherein the first sealing section is produced with the use of a first elastomeric material containing a first cross-linking system, wherein the second sealing section is produced with the use of a second elastomeric material containing a second cross-linking system, wherein the first and the second sealing sections border directly on one another in a seam area and their elastomeric materials are materially joined to one another in the seam area, wherein the first elastomeric material comprises an AEM elastomer, an ACM elastomer or mixtures thereof, wherein at least one of the two cross-linking systems comprises, in addition, a cross-linking agent for the respectively other elastomeric material, wherein the first cross-linking system for the first elastomeric material comprises a diaminic cross-linking agent and a promoter of the guanidine group or a promoter of the tertiary amine group.