vespel cte

Vespel CTE Solutions for High-Performance Needs

Welcome to our comprehensive guide on Vespel CTE solutions. We are excited to share valuable insights into this high-performance material and its applications across various industries. Whether you are looking for information on Vespel’s coefficient of thermal expansion, temperature resistance, machining guidelines, or material specifications, you’ve come to the right place. Let us dive deeper into the world of Vespel and explore its remarkable performance properties and thermal characteristics.

At the forefront of high-temperature materials, Vespel SCP-5050 and SCP-50094 surpass traditional polyimides in terms of temperature resistance and coefficient of thermal expansion. These remarkable Vespel variants exhibit superior thermal oxidative stability and wear resistance even in extreme temperature environments. Their stiffness enables closer fits and easier tolerance stackups, making them ideal replacements for metal parts in high-temperature applications, resulting in weight reduction and cost savings.

Global manufacturers trust Vespel SCP-5050 and SCP-50094 for critical jet engine components such as wear pads, strips, thrust washers, bushings, bearings, and bumpers. However, the versatility of Vespel extends beyond aerospace. It finds applications in vehicles, industrial equipment, and various other sectors that demand high temperature capabilities, wear resistance, and dimensional stability.

To illustrate the exceptional thermal performance of Vespel, refer to the comparative chart below:

As shown in the chart, Vespel SCP-5050 closely matches the coefficient of thermal expansion (CTE) of stainless steel, while Vespel SCP-50094 exhibits even lower CTE than traditional polyimides. The chart also highlights other Vespel grades like SP1, SP21, SP211, SP22, SP3, SCP5000, and CR6100, each with its unique set of attributes and applications.

Are you curious about machining Vespel stock shapes? Stay with us to discover precise guidelines for precision manufacturing and harnessing the full potential of this remarkable material.

Vespel SF Foam Products for Extreme Temperature Performance

Vespel SF foam products are renowned for their exceptional high-temperature capabilities, making them a preferred choice in demanding industries. These foam products offer outstanding thermal, electrical, and acoustic insulation properties, making them especially suitable for aerospace applications.

One of the key applications of Vespel SF foam is in aerospace stator vane seals, where the foam provides excellent sealing properties and ensures effective temperature insulation. Additionally, Vespel SF foam is used in nacelle insulation, abradable seals, and reinforced composite panels, further enhancing its versatility and utilization in aerospace.

Key Features of Vespel SF Foam:

  • Exceptional high-temperature resistance
  • Excellent thermal, electrical, and acoustic insulation properties
  • Lightweight and customizable to meet specific requirements
  • Superior sealing properties and tensile strength
  • Safety and environmental stewardship

Vespel SF foam products provide significant weight savings while withstanding extreme temperature variations, making them an ideal choice for applications that require effective isolation systems, insulation from temperature variations, weight reduction, acoustic and dampening isolation, and lightweight structural stability. These foam products not only meet the exacting standards of aerospace applications but also offer reliable performance in various other industries.

DuPont Vespel Stock Shapes for High-Performance Applications

In our pursuit of providing high-performance solutions, we proudly offer DuPont Vespel stock shapes that are renowned for their exceptional performance and quality. Vespel is a lightweight material with self-lubricating properties, making it a popular choice for replacing metal parts in various high-performance applications. With the ability to be easily machined to tight tolerances using standard equipment, Vespel stock shapes provide versatility and reliability.

One of the key advantages of Vespel stock shapes is their suitability for seals and gaskets, delivering excellent high temperature resistance and exceptional creep resistance. These properties make Vespel an ideal choice in environments where traditional materials may fail. For industries that require durability, high tensile strength, and low coefficient of thermal expansion, Vespel stock shapes deliver superior performance.

Vespel Stock Shape Options

Vespel Grade Features Applications
Vespel SP1 High thermal stability, excellent mechanical properties Aerospace, automotive, electrical and electronic industries
Vespel SP21 Low coefficient of friction, good wear resistance Automotive, oil and gas, chemical processing industries
Vespel SP211 High compressive strength, low wear rate Automotive, aerospace, mechanical and fluid handling industries
Vespel SP22 Enhanced dimensional stability, improved creep resistance Aerospace, semiconductor, medical and pharmaceutical industries
Vespel SP3 Excellent electrical insulation, low thermal conductivity Electronics, automotive, aerospace industries
Vespel SCP5000 High dielectric strength, chemical resistance Semiconductor, electrical, and electronic industries
Vespel CR6100 Superior cryogenic stability, low thermal expansion Research and development, scientific instrumentation

These Vespel stock shapes offer a wide range of attributes and are designed for diverse applications across industries. Each grade is carefully formulated to meet specific performance requirements, ensuring optimal results for our customers. Whatever your high-performance needs may be, our collection of Vespel grades is equipped to deliver exceptional results.

vespel stock shapes

With the unmatched combination of performance and reliability that Vespel stock shapes offer, it is no wonder they are a go-to choice for various high-performance applications. Whether in aerospace, automotive, or any other industry where precision and resilience are crucial, Vespel stock shapes continue to prove their worth as an exceptional alternative to metal parts.

Continue reading to learn more about the comprehensive vespel material properties comparison and the essential guidelines for vespel machining in the following sections.

Vespel CTE Comparison and Material Specifications

Vespel is a versatile material that offers excellent thermal stability, wear resistance, and low coefficient of thermal expansion (CTE). Different grades of Vespel have unique properties and characteristics that make them suitable for various applications. Let’s compare the CTE values of two popular Vespel grades:

Vespel SCP-5050

Vespel SCP-5050 exhibits a near-match CTE when compared to stainless steel, making it an ideal choice for applications that require dimensional stability under high temperatures. The low CTE of Vespel SCP-5050 ensures minimal expansion or contraction, reducing the risk of dimensional changes and ensuring consistent performance.

Vespel SCP-50094

In contrast, Vespel SCP-50094 offers an even lower CTE compared to traditional polyimides. This characteristic makes it well-suited for applications that demand extreme stability across a wide temperature range. With its exceptional thermal stability, Vespel SCP-50094 delivers consistent performance even in challenging environments.

Aside from SCP-5050 and SCP-50094, other Vespel grades like SP1, SP21, SP211, SP22, SP3, and CR6100 offer specific material specifications and properties that cater to different application requirements. Each grade has distinct advantages and can be selected based on factors such as temperature resistance, wear resistance, electrical insulation properties, and more.

Vespel Grade Key Properties
Vespel SCP-5050 Near-match CTE compared to stainless steel
Vespel SCP-50094 Lower CTE compared to traditional polyimides
SP1 High temperature resistance and dimensional stability
SP21 Excellent electrical insulation properties
SP211 Superior wear resistance and low friction properties
SP22 Great chemical resistance and electrical insulation
SP3 High strength, wear resistance, and dimensional stability
CR6100 Outstanding chemical resistance and low coefficient of friction

The exact material specifications and properties of each Vespel grade can be obtained from their respective datasheets, providing manufacturers with detailed information to make informed decisions for their specific applications.

Overall, Vespel stock shapes offer exceptional thermal stability, wear resistance, insulation properties, low coefficient of friction, chemical resistance, and dimensional stability. These properties make Vespel an excellent choice for demanding applications in industries such as aerospace, automotive, and semiconductor, among many others.

Vespel Material Specifications Image

Vespel Machining Guidelines for Precision Manufacturing

Vespel machining is a critical process that requires precision and adherence to specific guidelines to ensure optimal results. When machining Vespel stock shapes for precision manufacturing, it is essential to use the same equipment commonly employed for metal parts. This is because Vespel is known for its exceptional machinability, allowing for easy fabrication to tight tolerances.

When working with Vespel, it is crucial to consider its coefficient of thermal expansion (CTE) and design accordingly. With a low CTE, Vespel enables closer fits and more manageable tolerance stackups, which is particularly beneficial for precision manufacturing applications.

To achieve the desired finish and dimensional accuracy when machining Vespel, we recommend the following:

  • Use sharp tools specifically designed for machining Vespel to ensure clean cuts and minimize the chances of burrs or surface imperfections.
  • Utilize coolants or lubricants during the machining process to dissipate heat effectively. This helps prevent overheating and ensures optimal tool life and surface finish.
  • Monitor the cutting speed and feed rate to maintain stability and precision throughout the machining operation.
  • Implement appropriate fixturing techniques to secure the Vespel stock shapes during machining, reducing the risk of vibration or movement that could compromise accuracy.
  • Perform frequent checks and measurements during the machining process to verify dimensional accuracy and make adjustments if necessary.

Please note that the specific machining guidelines may vary depending on the grade of Vespel being used. It is therefore crucial to consult the manufacturer’s recommendations and reference the corresponding datasheets for accurate and up-to-date information.

Example of Vespel Machining Guidelines

Cutting Tool Speed (RPM) Feed Rate (inches per revolution) Coolant/Lubricant
Carbide End Mill 10,000 0.002 Water-based coolant
Diamond-Coated Drill Bit 3,000 0.001 Dry machining or minimum lubrication
High-Speed Steel Reamer 6,000 0.003 Oil-based coolant

vespel machining guidelines

By following these Vespel machining guidelines and considering the unique properties of Vespel, manufacturers can achieve precision manufacturing with tight tolerances and exceptional dimensional accuracy. This ensures the production of high-quality components that meet the stringent requirements of various industries.

Vespel Applications in Various Industries

Vespel, a versatile high-performance material, finds extensive applications across diverse industries. Its exceptional properties, including high-temperature resistance, wear resistance, and low coefficient of thermal expansion (CTE), make it an ideal choice for demanding environments. Let’s explore some key industries where Vespel is extensively used:


In the aerospace industry, Vespel plays a crucial role in improving performance and reliability. Its superior thermal stability and wear resistance make it an excellent choice for jet engine components such as wear pads, strips, thrust washers, bushings, and bearings. Vespel is also utilized in control linkage components, door mechanisms, and various other aerospace applications.


The automotive industry benefits from Vespel’s low-friction properties, making it ideal for critical parts. Automotive engineers rely on Vespel for thrust washers, bearings, and seals, contributing to improved performance and durability.


Vespel finds extensive use in the semiconductor industry due to its unique properties. It is utilized as an insulator, ensuring optimal performance in high-precision applications. Additionally, Vespel is used for wafer clamping and in-chamber parts, providing excellent performance in demanding semiconductor manufacturing processes.

Chemical and Petroleum Processing

Vespel’s high-temperature resistance, wear resistance, and chemical compatibility make it highly suitable for chemical and petroleum processing applications. It finds applications in equipment such as seals and gaskets, offering exceptional durability and reliable performance.

Glass Manufacturing

In the glass manufacturing industry, Vespel exhibits several advantageous properties. Its lower thermal conductivity, oil absorption, and higher impact and wear resistance set it apart from conventional glass bottling components. The use of Vespel in glass manufacturing ensures improved efficiency and longevity.

These are just a few examples of the industries where Vespel’s exceptional properties find valuable applications. Its unique combination of high-temperature resistance, wear resistance, and low CTE makes it a sought-after material in various demanding environments.

Vespel Applications in Various Industries

Industry Applications
Aerospace Jet engine components, control linkage, door mechanisms
Automotive Thrust washers, bearings, seals
Semiconductor Insulators, wafer clamping, in-chamber parts
Chemical and Petroleum Processing Seals, gaskets
Glass Manufacturing Components for glass bottling


Vespel is a high-performance material that offers exceptional thermal stability, wear resistance, and a low coefficient of thermal expansion. Its impressive properties make it a sought-after choice across various industries, including aerospace, automotive, and semiconductor. By utilizing Vespel as a replacement for metal parts, manufacturers can achieve weight savings and reduce maintenance costs.

One of the key advantages of Vespel is its ability to be machined to tight tolerances, allowing for precise manufacturing. The material specifications and properties of Vespel stock shapes vary depending on the specific grades used. Manufacturers can consult the recommended machining guidelines to ensure optimal performance and dimensional accuracy.

With its superior thermal stability and durability, Vespel demonstrates its versatility in demanding environments. Whether it’s used in aerospace control linkage components, automotive thrust washers, or semiconductor wafer clamping, Vespel proves its reliability and effectiveness. Its low coefficient of thermal expansion further enhances its performance and makes it a preferred choice for applications requiring tight fits and tolerance stackups.

In summary, Vespel is a high-performance material that offers exceptional thermal stability, wear resistance, and a low coefficient of thermal expansion. From its applications in various industries to its machining capabilities, Vespel showcases its ability to deliver precision manufacturing and optimal performance. With Vespel, manufacturers can confidently meet the demands of challenging environments and achieve superior results.


What is Vespel?

Vespel is a high-performance material known for its exceptional thermal stability, wear resistance, and low coefficient of thermal expansion.

What are the applications of Vespel?

Vespel finds applications in industries such as aerospace, automotive, semiconductor, chemical, petroleum processing, and glass manufacturing.

What are the benefits of using Vespel stock shapes?

Vespel stock shapes offer numerous benefits, including high temperature resistance, excellent creep resistance, durability, low coefficient of thermal expansion, and high tensile strength.

Can Vespel be machined easily?

Yes, Vespel can be easily machined to tight tolerances using standard equipment.

What are the unique properties of Vespel SF foam products?

Vespel SF foam products have exceptional high-temperature capabilities and offer excellent thermal, electrical, and acoustic insulation properties.

How does Vespel compare to traditional polyimides in terms of thermal properties?

Vespel SCP-5050 and SCP-50094 parts provide higher temperature resistance and a lower coefficient of thermal expansion compared to traditional polyimides.

What are the specific Vespel stock shapes available?

Specific Vespel stock shapes include SP1, SP21, SP211, SP22, SP3, SCP5000, and CR6100, each with its own set of attributes and applications.

How can Vespel be used as a replacement for metal parts?

Vespel’s lightweight nature and self-lubricating properties make it an ideal choice for replacing metal parts, reducing weight and saving costs.

What are the machining guidelines for Vespel?

When machining Vespel, it is recommended to use sharp tools and coolants to achieve the desired finish and dimensional accuracy. The specific machining guidelines may vary depending on the Vespel grade being used.

What are the industries that benefit from Vespel?

Vespel has applications in the aerospace, automotive, semiconductor, chemical and petroleum processing, and glass manufacturing industries, among others.

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