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Hybrid EPDM-TPE Adhesion Compounds for Automotive Industry

Kraiburg’s new compounds targeted to auto sealing and exterior sector applications and toolmakers.

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Source: Kraiburg TPE 

TPE-EPDM hybrid adhesion compounds for automotive sealing and exterior sectors have been launched by Kraiburg TPE. Said to epitomize a ‘remarkable’ leap in material technology, these compounds boast adhesion, durability and processability essential for demanding applications, as well as sustainability advantages. The company holds various patents for this new series in Europe and North America.

Specifically formulated for automotive exterior parts with UV resistance, the compounds find application in glass run channels and sealing profiles featuring molded corner joints and end caps. Developed in collaboration with one of the leading global Tier 1 suppliers in automotive sealing, these compounds have been successfully tested in comprehensive trials since 2023. Kraiburg TPE says these compounds address the needs of OEMs, Tier 1 and Tier 2 companies in the automotive sealing and exterior industry as well as toolmakers.

Compared to full EPDM sealing solutions, TPE-EPDM hybrid technology meets market trends by supporting the transition to TPE for sealing systems due to its process efficiency. A lower product carbon footprint as well as weight reduction support efforts towards sustainability. This technology is said to feature constant EPDM adhesion quality proven at 73.4°F and 194°F heat aging, with dry surface appearance. The optimized flow properties provide a broad processing window and increased design flexibility in part and tool design while maintaining high performance standards. Additionally, the compounds offer weathering resistance, color stability, low surface friction behavior, and wear and tear resistance. The homogeneous surface quality enhances aesthetics and functionality, meeting the stringent requirements of automotive applications

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