What is ultem?

Ultem is a high-performance thermoplastic material that is widely used in industries such as aerospace, automotive, medical, and electronics. It is known for its outstanding strength and stiffness, high heat resistance, and excellent chemical resistance.

Ultem is a brand name for a type of polyetherimide (PEI) resin, which is created by the chemical company SABIC. It is available in various grades, with each grade tailored to specific applications and requirements.

Some common properties of Ultem include:

1. High temperature resistance: Ultem can withstand continuous exposure to high temperatures up to 340°C (644°F) without significant loss of mechanical properties.

2. Excellent mechanical properties: Ultem has high modulus, strength, and impact resistance, making it suitable for demanding applications where durability and reliability are crucial.

3. Chemical resistance: Ultem is resistant to a wide range of chemicals, including solvents, acids, and bases, making it ideal for use in harsh environments.

4. Dimensional stability: Ultem has low moisture absorption and good dimensional stability, which helps maintain tight tolerances in precision components.

5. Flame retardancy: Some grades of Ultem are inherently flame-retardant, making them suitable for applications that require compliance with safety regulations.

Overall, Ultem is a versatile and high-performance material that offers a unique combination of properties, making it a popular choice for a wide range of demanding applications.