Used as a curing agent and crosslinking promoter in epoxy resin systems, particularly in high-performance coatings, adhesives, and composite materials. Its dual nitrile groups and secondary amine functionalities enable efficient network formation, enhancing thermal stability, mechanical strength, and chemical resistance. Commonly applied in aerospace, electronics encapsulation, and structural adhesives where durability under extreme conditions is required. Also utilized in specialty elastomers to improve resilience and aging properties.