Know latest Engineering and High-Temperature Plastics
1. PEEK (Polyether Ether Ketone)
Tg: ~143°C | Tm: ~343°C | Tensile Strength: ~100 MPa
Key Properties: High mechanical strength, chemical resistance, steam sterilization stable
Latest Applications: Spine implants, aerospace clips, 3D-printed surgical tools, high-end gears
2. PPS (Polyphenylene Sulfide)
Tg: ~85°C | Tm: ~280°C | Tensile Strength: ~90–120 MPa
Key Properties: Dimensional stability, chemical resistance, UL 94 V-0 (self-extinguishing)
Latest Applications: Automotive turbochargers, electric motor insulators, chemical pumps
3. PI (Polyimide) / PAI (Polyamide-imide)
Tg: PI: ~360°C | PAI: ~280°C
Key Properties: Extreme thermal resistance, wear-resistant, radiation and solvent stable
Latest Applications: Semiconductor test sockets, bushings in aircraft, space vehicle insulation
4. PSU / PES / PPSU (Polysulfones)
Tg: 185–230°C | Tensile Strength: ~70–90 MPa
Key Properties: Transparent, hydrolysis-resistant, steam sterilizable
Latest Applications: Reusable medical devices, dental equipment, sterilizable surgical instruments
5. PEI (Polyetherimide – Ultem®)
Tg: ~217°C | Tensile Strength: ~110 MPa
Key Properties: High strength, flame retardant, transparent in some grades
Latest Applications: LED housings, drone components, 3D printer filament
6. LCP (Liquid Crystal Polymer)
Tg: ~110–130°C | Tm: ~280–320°C | Very low CTE
Key Properties: High frequency performance, excellent dimensional stability
Latest Applications: 5G antenna housing, ultra-thin E/E connectors, wearable electronics
7. PBI (Polybenzimidazole – Celazole®)
Tg: ~425°C | Use Temp: ~350°C
Key Properties: Highest heat resistance, flame-proof, no melting point
Latest Applications: Aerospace insulation, hot gas filtration, high-temp electrical spacers
8. High Temp Polyamides (PA6T, PA9T, PA10T)
Tg: ~130–160°C | Tensile Strength: ~80–100 MPa
Key Properties: High thermal stability, chemical resistance, E&E friendly
Latest Applications: EV battery parts, fuel system connectors, SMT reflow-resistant housings
9. PTFE / FEP / PFA / ETFE (Fluoropolymers)
Use Temp: -200°C to +260–310°C
Key Properties: Low friction, chemical inertness, high dielectric strength
Latest Applications: 5G cable insulation, chemical plant linings, cryogenic seals
10. PAR (Polyarylate), PPE (Polyphenylene Ether), PPA (Polyphthalamide)
Tg: PAR ~190°C | PPA ~125–280°C
Key Properties: High strength, UV resistance, low moisture absorption
Latest Applications: Under-hood automotive parts, camera lenses, hybrid vehicle sensors
If you have any other questions or would like to suggest topics for us to write about, please feel free to contact us at info@polymerupdateacademy.com
Author
Mr Sanjay Saxena
Faculty, Polymerupdate Academy
