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Home> Company News> Low-Temperature Cure LSR for Automotive Co-Molding

Low-Temperature Cure LSR for Automotive Co-Molding

2026,11,03
Keywords: low temperature cure LSR, Liquid silicone rubber, automotive co-molding, platinum cure silicone
Key sentence: New low-temperature cure LSR runs at 100–120°C, enabling direct co-molding with heat-sensitive plastic substrates for automotive interior seals.
electronic silicone
Material developers have rolled out a platinum-catalyzed liquid silicone rubber optimized for mild-temperature injection molding, addressing a long-standing pain point for automotive component makers. Traditional LSR typically requires 160°C and above for full crosslinking, which limits pairing with PC, ABS and other heat-sensitive engineering plastics. This new grade delivers stable cure speed and low compression set without high mold heat, supporting integrated overmolding of soft silicone seals onto rigid plastic carriers. It maintains consistent tear strength and UV resistance for dashboard gaskets, air vent seals and touch-sensitive decorative parts. Molders report fewer part warpage defects and simplified tooling setups. Asian silicone manufacturers are expanding sample stock for automotive Tier 1 buyers, while certification to IATF16949 is underway. The material also cuts factory energy consumption, aligning with automakers’ scope 3 carbon reduction targets. Early sampling feedback shows stable viscosity and no pre-cure risk during long production runs, which makes it suitable for high-volume automated molding lines.
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+86 18938861889

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