Engineering Plastics Rapidly Displace Conventional Thermosets
High-temperature engineering plastic holders are increasingly displacing conventional thermoset designs as automakers seek documented thermal-resistance improvement alongside meaningfully reduced component weight relative to legacy holder architectures. DENSO and BorgWarner have both expanded engineering plastic production capacity since 2023, targeting turbocharged engine platforms that want validated heat-tolerance data supporting reliable ignition protection across new vehicle programs. Smaller manufacturers are adopting this technology more slowly, constrained by the polymer engineering investment required, but adoption is broadening steadily across major automotive markets worldwide as engineering plastic pricing gradually declines with production scale today across most regional manufacturing networks.
Market Impact: Adds 3% annual holder volume growth








