... resins, engineering plastics, engineering plastics (PBT Series), PBT series modified polymeric resinsThe engineering plastics (PBT Series)include Fiberglass reinforced, Flame retarded, Flame retarded ... HBApplications: Linker, relays, power switches, winding framework, jacks, fans, light parts. Modified polymeric resins, engineering plastics, engineering plastics (PBT Series), PBT series modified ...