Engineering polymers with higher melting points, suitable for applications requiring elevated temperature resistance, include the following:
Polycarbonate (PC):
Melting Point: Approximately 230-250°C
Features: High impact strength, excellent clarity, good dimensional stability, and heat resistance.
Polyether Ether Ketone (PEEK):
Melting Point: Approximately 335-343°C
Features: Exceptional mechanical properties, high chemical resistance, high temperature resistance, and excellent dimensional stability.
Polyphenylsulfone (PPSU):
Melting Point: Approximately 220-230°C
Features: Excellent chemical resistance, high heat resistance, good toughness, and hydrolytic stability.
Polyetherimide (PEI) (also known as ULTEM):
Melting Point: Approximately 215-217°C
Features: High strength and rigidity, excellent thermal stability, good chemical resistance, and low smoke and toxicity emissions.
Polyamide-imide (PAI):
Melting Point: Approximately 305-312°C
Features: Exceptional mechanical properties, excellent thermal stability, high strength, and resistance to wear and chemicals.
These engineering polymers are known for their robust mechanical properties, high-temperature stability, and resistance to various chemicals, making them suitable for demanding applications in industries such as automotive, aerospace, electronics, and manufacturing.
It’s advisable to consult the manufacturer’s guidelines and recommendations for optimal printing parameters and compatibility with your 3D printer.