PEI Ultem Flat Washers
Measurement System: Metric
Colour: Natural/Semi Transparent
Max Temperature: 170°C/340°F
Flame Resistance: UL94 V-0
PEI Ultem Flat Washers conform to the following Standards/Norms:
DIN 125 A
Flat washers, unassuming yet essential components in various mechanical and industrial applications, serve the crucial role of distributing load, preventing damage to surfaces, and ensuring secure fastening. When these washers are manufactured from PEI Ultem (Polyetherimide), they not only provide precision but also exhibit exceptional durability and versatility. In this guide, we will explore the realm of PEI Ultem flat washers, including the different grades of Ultem and their diverse applications across industries.
Understanding the Grades of Ultem PEI
PEI Ultem is a renowned high-performance thermoplastic celebrated for its outstanding properties, including high-temperature resistance, mechanical strength, and chemical durability. To cater to a broad spectrum of application-specific requirements, Ultem is available in different grades, each meticulously engineered to excel in specific domains. Here's a closer look at how different Ultem PEI grades can be utilised to customise flat washers for specific needs:
1. Ultem 1000 Flat Washers:
- Versatile Precision: Ultem 1000, a general-purpose grade, is prized for its exceptional balance of mechanical strength, dimensional stability, and electrical properties. Flat washers made from Ultem 1000 offer versatility and precision, making them suitable for a wide range of applications demanding reliable and precise load distribution.
2. Ultem 2300 Flat Washers:
- Enhanced Strength: Ultem 2300 incorporates glass fibre reinforcement, providing increased stiffness and dimensional stability. This makes it an excellent choice for flat washers used in applications demanding heightened strength and rigidity. From structural components to critical mechanical systems, Ultem 2300 flat washers ensure secure and precise load distribution under pressure.
3. Ultem 4100 Flat Washers:
- Fire-Resistant Precision: Ultem 4100 is specifically engineered with flame-retardant additives, making it ideal for flat washers used in environments where fire safety is paramount. Applications in aerospace interiors and electrical enclosures benefit from the flame resistance of Ultem 4100 flat washers.
4. Ultem 5000 Flat Washers:
- Chemical Resilience with Precision: Flat washers made from Ultem 5000 series grades are engineered for superior chemical resistance. They excel in applications where exposure to aggressive chemicals and solvents is a concern, such as chemical processing equipment, laboratory instruments, and environments demanding both precision and resistance.
5. Ultem 1010 Flat Washers:
- Regulatory Compliance and Precision: Ultem 1010 is designed to meet FDA requirements for food contact materials. This grade ensures not only high-temperature resistance and mechanical strength but also compliance with food safety standards. Flat washers crafted from Ultem 1010 are crucial in food processing and medical equipment, where precision and regulatory adherence are paramount.
6. Ultem 2200 Flat Washers:
- Precision Electrical Insulation: Ultem 2200, an unfilled, general-purpose grade, is acclaimed for its excellent electrical insulating properties. Flat washers produced from this grade find their niche in electrical and electronic applications, guaranteeing precise load distribution without compromising electrical performance.
7. Ultem 6450 Flat Washers:
- Transparent Precision: Ultem 6450, a transparent variant of Ultem PEI, is prized for its clarity, high-temperature resistance, and mechanical prowess. Flat washers made from Ultem 6450 are valuable in applications that necessitate transparency and heat resistance. They find their place in sight glasses, lighting components, medical devices, and other scenarios where precision and aesthetics converge.
Ultem PEI Flat Washers in Action
Flat washers constructed from various Ultem PEI grades find applications in a multitude of industries, offering precision, durability, and versatility. Here are real-world examples of how these washers are applied:
Electronics and Electrical: Ultem 2200 flat washers are instrumental in electronics and electrical applications. They provide precise load distribution while preserving electrical insulation, ensuring the reliability and safety of electrical components and assemblies.
Aerospace Industry: Flat washers crafted from Ultem 2300 and Ultem 4100 are favoured in the aerospace sector. They are integral in assembling aircraft components, delivering both precision and flame resistance to uphold the structural integrity and safety of aerospace systems.
Chemical Processing: Ultem 5000 series flat washers excel in chemical processing equipment. They provide precise load distribution in environments where exposure to corrosive chemicals and solvents is common, ensuring both precision and durability.
Medical Equipment: Flat washers made from Ultem 1010 are vital in medical equipment. Their FDA compliance guarantees precise load distribution in medical devices and instruments, where precision and regulatory adherence are essential.
Transparent Applications: Ultem 6450 flat washers find their place in applications requiring transparency and heat resistance, such as medical devices, sight glasses, and lighting components, ensuring both precision and aesthetics.
The PEI/Ultem data sheet is available as a PDF to download below.
Return components within 90 days for a full refund. Please see returns terms and conditions for further information.
|Flat Washer Dimension Table (ISO7089/DIN125A)
|Inside Diameter (mm)
|Outside Diameter (mm)
Dimensions for PEI Ultem Flat Washers in all available sizes are shown according to the product drawing above.
PEI/Ultem Key Properties
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