... Materials Material NameAbbreviationTrade namesDescriptionApplicationsAcetal POM Celcon, Delrin, Hostaform, Lucel Strong, rigid, excellent fatigue resistance, excellent creep resistance, chemical resistance, moisture ... shields Polyester - Thermoplastic PBT, PET Celanex, Crastin, Lupox, Rynite, Valox Rigid, heat resistance, chemical resistance, medium/high cost Automotive (filters, handles, pumps ...