Polyetherimide (PEI)
https://www.technoform.com/en/material/polyetherimide-peiPolyetherimide (PEI)
Thanks to its attractive price-performance ratio and high-temperature resistance of up to 200 °C (392 °F) in the short term, 170 °C (338 °F) long-term, this amorphous high-performance thermoplastic is growing in popularity