Support insulators 1-3 kV made of duroplast | schmidt-gmbh.com
TIL Duroplast was a material used to make the body of cars, famously including the Soviet Trabant. Duroplast is made of recycled material, cotton waste and phenol resins, which led to jokes
IMCDb.org: 1982 Trabant 601 [P601] in "Zakole, 1988"
Trabant P601 group 2 (1967) - Racing Cars
Thermosets vs. Thermoplastics | dr Dietrich Mueller GmbH