Polyetherimide (PEI), also known by its trade name ULTEM®, is a high-performance thermoplastic with exceptional mechanical strength, chemical resistance, and thermal stability. GEHR ULTEM® 1000 offers a unique combination of high strength, good dimensional stability, and creep resistance, making it suitable for a range of demanding applications. With an operating temperature of up to +338 °F, ULTEM® can withstand high temperatures while maintaining its structural integrity.
Properties of ULTEM®
ULTEM® has several key properties that make it ideal for various applications:
- Very high strength and rigidity: ULTEM® provides excellent mechanical strength, making it suitable for high-stress applications.
- High torque strength and hardness: ULTEM® has unique torque strength, allowing it to substitute small machined steel parts economically.
- High thermostability: ULTEM® can withstand high temperatures, with an operating range of up to +338 °F.
- High weather resistance: ULTEM® exhibits high resistance to weathering, ensuring durability in outdoor environments.
- High radiation resistance: ULTEM® can withstand exposure to radiation, making it suitable for specialized applications.
- Self-extinguishing: ULTEM® has self-extinguishing properties, enhancing safety in various applications.
- Limited resistance to stress cracks: ULTEM® may have limited resistance to stress cracks, requiring careful consideration in certain applications.
Applications of ULTEM®
Given its unique properties, ULTEM® is used in a variety of industries and applications:
- Parts for electrical engineering: ULTEM®’s high strength and insulation properties make it suitable for electrical engineering components.
- Food industry: ULTEM® is used in the food industry due to its chemical resistance and high temperature tolerance.
- Aircraft construction: ULTEM®’s high strength and resistance to weathering make it ideal for parts used in aircraft construction.
- Medical industry: ULTEM®’s resistance to radiation and high thermostability make it suitable for medical industry applications.
Conclusion
GEHR ULTEM® 1000 is a high-performance polyetherimide (PEI) known for its high strength, thermostability, and chemical resistance. Its unique torque strength allows it to substitute machined steel parts economically, while its self-extinguishing properties and high radiation resistance make it suitable for various demanding applications. Despite its limited resistance to stress cracks, ULTEM® remains a popular choice in industries requiring high-performance materials, from electrical engineering to aircraft construction and the medical industry.