Ultem® is a high-performance amorphous thermoplastic (polyetherimide, or PEI) known for its impressive mechanical strength, dimensional stability, and flame resistance. It performs reliably in high-temperature environments and offers exceptional electrical insulation, making it a top choice for machined parts in aerospace, automotive, and electronics. Ultem® is also resistant to many chemicals and can be machined to tight tolerances with a clean, finished appearance.
- High-Temperature Resistance: Ultem can withstand continuous use at elevated temperatures, typically up to around 338°F, without significant loss of mechanical properties. It has short-term high-temperature resistance up to about 644°F.
- Excellent Mechanical Strength: Ultem exhibits high tensile strength, flexural strength, and stiffness, making it suitable for applications requiring structural integrity and load-bearing capabilities.
- Chemical Resistance: Ultem is resistant to a wide range of chemicals, including strong acids, bases, and many solvents. This property makes it ideal for applications in aggressive chemical environments.
- Dimensional Stability: Ultem has excellent dimensional stability, maintaining its shape and size even when exposed to varying temperatures and humidity levels.
- Low Smoke and Toxic Gas Emissions: Ultem has low smoke generation and produces minimal toxic gas emissions when exposed to flames or high heat, making it suitable for certain fire safety applications.
- Excellent Electrical Insulation: Ultem is an excellent electrical insulator, making it useful for electrical and electronic components that require both thermal and electrical stability.
- Good Dielectric Properties: Ultem maintains its dielectric strength and insulation properties across a wide range of frequencies and temperatures.
- Biocompatibility: Certain grades of Ultem are biocompatible and approved for use in medical devices and equipment, making them suitable for applications requiring contact with human tissues.
- Aerospace and Aviation: Ultem is used in aircraft components that require high-temperature resistance, such as interior panels, structural parts, and electrical components.
- Electrical and Electronics: Ultem is utilized in connectors, insulators, coil bobbins, and other components where both electrical insulation and high-temperature performance are essential.
- Automotive Industry: Ultem finds applications in automotive lighting, under-the-hood components, and electrical connectors due to its heat resistance and dimensional stability.
- Medical Devices: Biocompatible grades of Ultem are used in medical equipment, such as surgical instruments, diagnostic equipment, and medical device housings.
- Industrial Equipment: Ultem is used in various industrial equipment components, such as pump parts, valves, and housings, where chemical and thermal resistance are crucial.
Ultem machined parts combine durability, heat resistance, and electrical reliability in one versatile material. Their consistent performance in harsh conditions makes Ultem a trusted solution for engineers working in high-stakes technical environments.