IAPD THERMOPLASTICS RECTANGLE

IMIDIZED

Key Characteristics Materials Very high cost per pound Polyimide (PI)

High Cost Excellent physical properties above 400 degrees F Polyamide Imide (PAI)

High Strength Excellent electrical properties Polybenzimidazole (PBI)

High Temperature Excellent dimensional stability Low coefficient of friction (COF)

AMORPHOUS HIGH PERFORMANCE THERMOPLASTICS SEMI-CRYSTALLINE HIGH PERFORMANCE THERMOPLASTICS

Key Characteristics Materials Key Characteristics Materials High cost Polysulfone (PSU) High cost Polyvinylidene Fluoride (PVDF) High temperature Polyetherimide (PEI) High temperature Polytetrafluoroethylene (PTFE) High strength and good stiffness Polyethersulfone (PES) High strength Ethylene-Chlorotrifluoroethylene (ECTFE) Good chemical resistance Polyarylsulfone (PAS) Good chemical resistance Fluorinated Ethylene Propylene (FEP) Transparent Polyarylethersulfone (PAES) Good electrical properties Polychlorotrifluoroethylene (PCTFE) Hot water and steam resistance Low COF Perfluoroalkoxy (PFA) Good toughness Polyphenylene Sulfide (PPS) Polyetheretherketone (PEEK)

AMORPHOUS ENGINEERING THERMOPLASTICS SEMI-CRYSTALLINE ENGINEERING THERMOPLASTICS

Key Characteristics Materials Key Characteristics Materials Moderate cost Polycarbonate (PC) Moderate cost Nylon (PA) Moderate temperature resistance Polyphenylene Oxide (Mod PPO) Moderate temperature resistance Acetal (POM) Moderate strength Polyphenylene Ether (Mod PPE) Moderate strength Polyethylene Terephthalate (PET) Good to excellent impact resistance Thermoplastic Polyurethane (TPU) Good chemical resistance Polybutylene Terephthalate (PBT) Good dimensional stability Good bearing and wear properties Ultra High Molecular Weight Good optical qualities Low COF Polyethylene (UHMW-PE) Translucency Difficult to bond

AMORPHOUS COMMODITY THERMOPLASTICS SEMI-CRYSTALLINE COMMODITY THERMOPLASTICS

Key Characteristics Materials Key Characteristics Materials Low cost Acrylic (PMMA) Low cost High Density Polyethylene (HDPE) Low temperature resistance Polystyrene (PS) Low temperature resistance, strength Low Density Polyethylene (LDPE) Low strength Acrylonitrile Butadiene Styrene (ABS) Low COF Polypropylene (PP) Good dimensional stability Polyvinyl Chloride (PVC) Near zero moisture absorption Polymethylpentene (PMP) Transparent (typically, but not always) Polyethylene Terepthalate Glycol (PETG) Good electrical properties, toughness Cellulose Acetate Butyrate (CAB) Difficult to bond

AMORPHOUS KEY CHARACTERISTICS SEMI-CRYSTALLINE KEY CHARACTERISTICS

Soften over a broad range of temperatures Sharp melting point Easy to thermoform Difficult to thermoform Tend to be translucent Tend to be opaque Bond well using adhesives and solvents Difficult to bond using adhesives and solvents Prone to stress cracking Good resistance to stress cracking Poor fatigue resistance Good fatigue resistance Structural applications only (not bearing and wear) Good for bearing and wear and structural applications