dupont vespel sp 22

Welcome to our article on DuPont Vespel SP-22, an advanced polymer solution that offers exceptional performance and durability for industrial applications. As a leading provider of high-performance materials, DuPont has been trusted by engineers for over 50 years. Our Vespel SP-22 material is widely recognized for its outstanding thermal stability, electrical properties, and resistance to wear and friction.

Available in various forms, including sheets and rods, Vespel SP-22 can be fabricated to meet specific design requirements. Whether you are working in the aerospace, automotive, semiconductor, or chemical processing industries, Vespel SP-22 provides the advanced polymer solution you need for your demanding applications. Join us as we explore the properties, uses, machining techniques, and advantages of this remarkable material.

Vespel SP-22 Properties

Vespel SP-22 is a condensation type polyimide known for its outstanding thermal stability and mechanical properties. Let’s take a closer look at the key properties that make Vespel SP-22 a preferred choice for various industrial applications.

Thermal Stability

Vespel SP-22 exhibits exceptional thermal stability, making it suitable for high-temperature environments. With a decomposition temperature well above 400°C (752°F), this material can withstand extreme operating conditions without compromising its performance.

Mechanical Strength

Designed to offer superior strength, Vespel SP-22 is highly resistant to deformation and wear even under heavy loads. It provides long-lasting durability in demanding applications, minimizing the need for frequent replacements.

Electrical Insulation

Vespel SP-22 is an excellent electrical insulator, enabling its use in electrical and electronic systems. It effectively prevents the flow of electric current and minimizes the risk of electrical failures, ensuring reliable performance in critical applications.

Low Thermal Expansion

This polyimide material has low thermal expansion properties, meaning it maintains dimensional stability even when exposed to extreme temperature changes. This characteristic is crucial in applications where precise measurements and tight tolerances are required.

Chemical Resistance

Vespel SP-22 exhibits good chemical resistance to a wide range of solvents, acids, and bases. This property allows it to withstand corrosive environments and makes it suitable for use in chemical processing industries.

Overall, Vespel SP-22 offers a unique combination of thermal stability, mechanical strength, electrical insulation, low thermal expansion, and chemical resistance. These properties make it an ideal choice for applications where reliability, durability, and high performance are essential.

Vespel SP-22 Uses

Vespel SP-22 is a versatile material with a wide range of applications across different industries. Its exceptional thermal and electrical insulation properties make it a popular choice for replacing metal parts. Let’s explore some of the key industries and applications where Vespel SP-22 is commonly used:

Aerospace and Automotive

In the aerospace and automotive industries, Vespel SP-22 finds extensive use in various components such as bushings, bearings, seals, and wear rings. Its high temperature capabilities and excellent wear resistance make it ideal for withstanding the demanding conditions in these industries.

Semiconductor Manufacturing

Vespel SP-22 is widely employed in semiconductor manufacturing due to its chemical resistance and ability to handle high temperatures. It is used in critical applications where precise electrical insulation and thermal stability are required.

Chemical Processing

The chemical processing industry relies on Vespel SP-22 for its exceptional chemical resistance. It can withstand exposure to a wide range of solvents, acids, and bases, making it suitable for applications that involve corrosive substances.

Medical Equipment

In the medical field, Vespel SP-22 is utilized for its high temperature capabilities and chemical resistance. It is commonly found in medical equipment where durability, performance, and safety are paramount.

As you can see, Vespel SP-22 is a versatile material that fulfills the stringent requirements of various industries. Its excellent thermal and electrical insulation properties, combined with chemical resistance and high temperature capabilities, make it a reliable choice for critical applications.

Machining Vespel SP-22

When it comes to machining Vespel SP-22, standard metalworking techniques can be employed with ease. This advanced polymer solution can be cut, drilled, turned, and milled to create intricate shapes and precision parts. With Vespel SP-22, close tolerances can be maintained, allowing for high precision in machining.

However, it is essential to use proper machining techniques and tools to ensure optimal results. Overheating can potentially damage the material, so it’s crucial to monitor temperature and employ suitable cooling methods.

Key considerations when machining Vespel SP-22:

  • Use sharp cutting tools: Sharp tools reduce friction and heat buildup, ensuring efficient machining without compromising the material.
  • Control heat and avoid excessive speeds: Maintain proper cutting speeds and feed rates to prevent overheating. It’s important to find the right balance for effective material removal.
  • Consider lubrication: Lubricants can help reduce friction and heat during machining processes. However, it’s necessary to choose lubricants compatible with Vespel SP-22 properties to avoid any adverse effects.
  • Monitor tool wear: Regularly check cutting tools for wear and replace them as needed to maintain precision and achieve the desired machining results.

By following these guidelines and leveraging the properties of Vespel SP-22, engineers can confidently machine the material to meet specific design requirements and achieve the desired outcomes.

Machining Vespel SP-22 to create intricate shapes and precision parts.

Vespel SP-22 Temperature and Chemical Resistance

Vespel SP-22 is renowned for its exceptional performance under high temperatures and its resistance to various chemicals. Its unique properties make it suitable for a wide range of industrial applications where extreme temperatures and contact with harsh chemicals are common.

Temperature Resistance:

Vespel SP-22 is engineered to withstand high temperatures, making it an ideal choice for applications that require thermal stability. It can continuously operate at temperatures up to 300°C (572°F) without losing its mechanical properties. For short-term exposure, Vespel SP-22 can handle temperatures up to 315°C (599°F). This outstanding temperature resistance ensures the material performs reliably in demanding environments, protecting critical components and prolonging their service life.

Chemical Resistance:

In addition to its impressive temperature resistance, Vespel SP-22 also exhibits excellent chemical resistance. It can withstand exposure to a wide range of solvents, acids, and bases without experiencing significant degradation. However, it is important to evaluate the specific chemical environment and consult Vespel’s chemical compatibility chart to ensure the material’s suitability for a particular application. This careful consideration will help maintain the optimal performance and longevity of components made from Vespel SP-22.

With its exceptional temperature and chemical resistance, Vespel SP-22 provides engineers and designers with a reliable solution for demanding industrial applications. By choosing this advanced polymer material, you can confidently design components that will withstand harsh environmental conditions and deliver exceptional performance.

Vespel SP-22 Sheets

When it comes to high-performance polymer materials, Vespel SP-22 sheets are an exceptional choice for various industrial applications. These sheets, made from 40% graphite filler by weight, exhibit outstanding thermal stability, electrical insulation, and dimensional stability. Available in a range of sizes and thicknesses, Vespel SP-22 sheets can be easily cut to custom dimensions to meet specific design requirements.

Whether you need sheets for aerospace, automotive, semiconductor, or chemical processing applications, Vespel SP-22 sheets deliver reliable performance and durability. They comply with ASTM D6456-10 Standard Specification for Finished Parts Made from Polyimide Resin, ensuring consistent quality and adherence to industry standards.

Benefits of Vespel SP-22 Sheets

1. Thermal Stability: Vespel SP-22 sheets can withstand high temperatures, making them suitable for applications where thermal stability is crucial.

2. Electrical Insulation: The sheets offer excellent electrical insulation properties, making them ideal for electrical components and applications.

3. Dimensional Stability: Vespel SP-22 sheets maintain consistent dimensions in various temperature and environmental conditions, ensuring reliable performance over time.

With their exceptional properties, Vespel SP-22 sheets provide engineers and designers with a versatile material option for a wide range of industrial applications.

Vespel SP-22 Sheets

Specifications Values
Material Vespel SP-22
Filler Content 40% graphite by weight
Thermal Stability High temperature resistance
Electrical Insulation Excellent electrical properties
Dimensional Stability Consistent dimensions in various conditions
Compliance ASTM D6456-10 Standard Specification

Vespel SP-22 Rods

Vespel SP-22 rods are a versatile option for various applications and design needs. These rods are manufactured using Vespel SP-22 material, which is known for its exceptional properties and performance. Made from 40% graphite filler, Vespel SP-22 rods offer similar thermal and electrical properties as Vespel SP-22 sheets, making them suitable for a wide range of industrial applications.

The Vespel SP-22 rods are available in different diameters and lengths, providing flexibility in design and customization. They can be machined into custom parts or used as stock shapes for prototyping purposes. Whether you require a specific diameter for precision machining or a standard length for various applications, Vespel SP-22 rods offer the flexibility to meet your requirements.

These rods are designed to meet the ASTM D6456-10 Standard Specification for Finished Parts Made from Polyimide Resin, ensuring their quality and compatibility with industry standards. With excellent thermal stability, electrical insulation, and dimensional stability, Vespel SP-22 rods are a reliable choice for demanding environments where high performance is essential.

Key Features of Vespel SP-22 Rods
40% graphite filler content Enhanced thermal and electrical properties
Flexible diameter options Customizable to meet specific design needs
Compliant with ASTM D6456-10 Standard Specification Guaranteed quality and compatibility

Advantages of Vespel SP-22

Vespel SP-22 offers a multitude of advantages that make it a highly sought-after material for various industries. Its exceptional properties include:

  • Thermal stability: Vespel SP-22 exhibits excellent temperature resistance, allowing it to withstand high temperatures up to 300°C (572°F) continuously. This makes it ideal for applications where heat resistance is crucial.
  • Electrical insulation: The material possesses excellent electrical insulation properties, making it suitable for use in electrical components and insulators.
  • Wear resistance: Vespel SP-22 is highly resistant to wear and friction, making it an ideal choice for applications involving sliding or rotating components that experience high mechanical stress.
  • Chemical resistance: With its excellent chemical resistance, Vespel SP-22 can withstand exposure to various solvents, acids, and bases commonly encountered in industries such as chemical processing and semiconductor manufacturing.
  • Low friction: The material’s low coefficient of friction helps reduce energy loss and improves overall efficiency in applications where friction is a concern.
  • Dimensional stability: Vespel SP-22 maintains its dimensional stability even at high temperatures, ensuring precise and consistent performance.

These advantages make Vespel SP-22 an ideal choice for a wide range of industries, including aerospace, automotive, semiconductor, and chemical processing. Its unique combination of properties allows engineers to design and develop innovative solutions that meet the demands of challenging industrial applications.

vespel sp 22 properties

Key Advantages Summary:

Advantages Description
Thermal stability Can withstand high temperatures up to 300°C (572°F) continuously.
Electrical insulation Provides excellent electrical insulation properties.
Wear resistance Highly resistant to wear and friction.
Chemical resistance Exhibits excellent resistance to various solvents, acids, and bases.
Low friction Helps reduce energy loss and improves efficiency.
Dimensional stability Maintains dimensional stability even at high temperatures.

Applications of Vespel SP-22

Vespel SP-22 finds wide-ranging applications in industries that require high temperature resistance, excellent electrical insulation, and superior wear properties. This advanced polymer solution has proven its worth in critical industrial applications such as bushings, bearings, seals, wear rings, thrust washers, and electrical insulators.

Vespel SP-22’s unmatched durability and performance justify its cost, making it a preferred choice among engineers and designers worldwide. Let’s delve into some of its key applications:

Bushings and Bearings

Vespel SP-22’s exceptional temperature resistance and low friction properties make it an ideal choice for bushings and bearings in demanding applications. Its excellent wear resistance ensures long-lasting performance and reduces maintenance costs.

Seals and Wear Rings

The chemical resistance and dimensional stability of Vespel SP-22 make it suitable for use in seals and wear rings. It provides reliable sealing and helps prevent leakage in critical applications.

Thrust Washers

Vespel SP-22’s high mechanical strength and low coefficient of thermal expansion make it an excellent choice for thrust washers. It can withstand extreme thrust loads and maintain dimensional stability, ensuring smooth operations.

Electrical Insulators

Due to its exceptional electrical insulation properties, Vespel SP-22 is widely used as an electrical insulator in high-voltage applications. It provides reliable insulation and helps prevent electrical arcing and short circuits.

These are just a few examples of the diverse range of applications where Vespel SP-22 excels. Its versatility and superior performance make it a trusted choice in critical industrial settings where reliability and efficiency are paramount.

Application Industry Benefits
Bushings Automotive High temperature resistance, low friction
Bearings Aerospace Excellent wear resistance, long-lasting performance
Seals Chemical processing Chemical resistance, dimensional stability
Wear rings Semiconductor Reliable sealing, reduced leakage
Thrust washers Industrial machinery High mechanical strength, low thermal expansion
Electrical insulators Electronics Exceptional electrical insulation properties

Custom Vespel SP-22 Parts

When it comes to meeting specific design requirements, Vespel SP-22 offers the versatility and customization needed. With this advanced polymer solution, engineers have the flexibility to create custom parts that perfectly align with their application needs. Whether it’s complex shapes or precise dimensional accuracy, Vespel SP-22 can be machined or direct-formed to deliver exceptional performance.

Vespel SP-22 can be machined into a variety of complex shapes using standard metalworking techniques. This allows for the creation of custom parts with close tolerances and precise dimensional accuracy. By utilizing the technique similar to powder metallurgy, engineers can also direct-form Vespel SP-22, enabling the fabrication of intricate designs that may be challenging to achieve through traditional machining methods.

Direct-Forming Vespel SP-22

Direct-forming Vespel SP-22 involves shaping the material using heat and pressure. This technique allows for the creation of intricate parts with precise details and fine features. By directly forming the material, engineers can achieve complex geometries and optimize part performance. It is a cost-effective method for prototyping and low-volume production.

DuPont offers direct-formed material, known as “slugs,” for prototyping purposes. These slugs enable engineers to test and refine their designs before proceeding with full-scale production. This iterative approach ensures the final parts meet or exceed the desired performance requirements.

Advantages of Custom Vespel SP-22 Parts Benefits
Exceptional design flexibility Engineers can create highly customized parts that meet specific application requirements.
Precise dimensional accuracy Vespel SP-22 parts can be fabricated with close tolerances, ensuring optimal fit and functionality.
Improved part performance Custom parts allow for the optimization of performance by tailoring the design to specific needs.
Cost-effective prototyping The direct-formed slugs enable engineers to test and refine designs before proceeding with full-scale production.

Whether you require unique shapes, intricate designs, or optimized performance, Vespel SP-22 offers the customization needed to bring your ideas to life. By leveraging its exceptional machinability and direct-forming capabilities, engineers can create parts that meet the most demanding applications and performance requirements.

Custom Vespel SP-22 Parts

Availability and Pricing

Vespel SP-22, the advanced polymer solution from DuPont, is readily available globally through DuPont and its authorized distributors. Whether you are located in Singapore or anywhere else in the world, you can easily access this high-performance material for your industrial applications.

The price of Vespel SP-22 may vary depending on factors such as the specific product form, size, and quantity you require. To obtain accurate and up-to-date pricing information, it is recommended to directly contact DuPont or their authorized distributors. They will be able to provide you with detailed pricing based on your specific needs and volumes.

By reaching out to the experts at DuPont or their distributors, you can also inquire about the availability and lead times for Vespel SP-22. They have extensive knowledge of the product and can guide you through the selection process, ensuring you receive the right material in a timely manner.

Investing in Vespel SP-22 is a wise decision for your industrial applications, considering its exceptional performance and durability. Contact DuPont or their authorized distributors today to get accurate pricing information and explore how Vespel SP-22 can elevate your engineering solutions.

Final Thoughts on DuPont Vespel SP-22

DuPont Vespel SP-22 is an advanced polymer solution that delivers exceptional performance and durability in challenging industrial applications. With its unique combination of thermal stability, electrical insulation, wear resistance, and chemical resistance, Vespel SP-22 has become the preferred choice for engineers worldwide. Whether in aerospace, automotive, semiconductor, or chemical processing industries, this advanced polymer solution continues to surpass expectations, providing reliable and long-lasting performance.

At DuPont, we understand the demands of modern industries, and that’s why we have developed Vespel SP-22 as part of our advanced polymer solutions. The material’s ability to withstand high temperatures, resist wear and friction, and provide excellent electrical insulation makes it an invaluable asset for a wide range of applications.

When it comes to thermal stability, Vespel SP-22 truly shines. It can handle continuous temperatures of up to 300°C (572°F) and withstand short-term exposure to temperatures as high as 315°C (599°F). This remarkable temperature resistance makes it suitable for environments that push the limits of traditional materials.

In addition to its exceptional temperature resistance, Vespel SP-22 offers superior electrical insulation properties. It can effectively isolate and protect critical components, ensuring reliable performance in demanding electrical applications.

Vespel SP-22’s resistance to wear and friction is another standout feature. Its low friction coefficient and high mechanical strength make it an excellent choice for applications that require reliable performance under challenging conditions.

Furthermore, the chemical resistance of Vespel SP-22 enables its use in various industries, including semiconductor manufacturing and chemical processing. It can withstand exposure to a wide range of solvents, acids, and bases, making it a reliable option for critical applications.

dupont vespel sp 22

DuPont Vespel SP-22 is a testament to our commitment to providing advanced polymer solutions that meet the evolving needs of our customers. Its versatility and outstanding performance make it a go-to material for engineers seeking innovative solutions to their design challenges.

Advantages of DuPont Vespel SP-22
Exceptional thermal stability
Excellent electrical insulation properties
Superior wear resistance
Chemical resistance to a wide range of solvents, acids, and bases

Glossary of Terms

In the design and specification of Vespel SP-22 parts, there are various terms and abbreviations that are commonly used. Here is a glossary of the key parameters and design considerations:

Physical properties:

  • Thermal stability: The ability of Vespel SP-22 to withstand high temperatures without undergoing significant degradation or dimensional changes.
  • Electrical insulation: The property of Vespel SP-22 to resist the flow of electrical current, making it suitable for applications where electrical conductivity is unwanted.

Mechanical properties:

  • Wear resistance: The ability of Vespel SP-22 to withstand friction, abrasion, and wear, making it suitable for applications where parts are exposed to high levels of mechanical stress.
  • Chemical resistance: The ability of Vespel SP-22 to resist the effects of different chemicals, including solvents, acids, and bases, ensuring its durability and performance in harsh environments.

Design considerations:

  • Tolerances: The allowable deviation in dimensions or properties of Vespel SP-22 parts, ensuring their fit and functionality in a given application.
  • Dimensional stability: The ability of Vespel SP-22 to maintain its shape and dimensions under changing temperature and mechanical stress conditions.

Understanding these terms and their implications is crucial for engineers and designers working with Vespel SP-22. It allows for accurate design and specification of parts, leading to optimal performance and reliability in various industrial applications.

FAQ

What are the properties of Vespel SP-22?

Vespel SP-22 exhibits excellent thermal stability, electrical properties, and resistance to wear and friction. It has no observable glass transition temperature or melting point, making it perform like thermosets. The material also has high strength, low thermal expansion, and good mechanical properties.

What are the uses of Vespel SP-22?

Vespel SP-22 is commonly used as a replacement for metal parts due to its thermal and electrical insulation properties. It is used in industries such as aerospace, automotive, semiconductor manufacturing, chemical processing, and medical equipment for applications such as bushings, bearings, seals, and wear rings.

How is Vespel SP-22 machined?

Vespel SP-22 can be machined using standard metalworking techniques. It can be easily cut, drilled, turned, and milled to create complex shapes and precision parts. It is recommended to use proper machining techniques and tools to avoid overheating and potential damage to the material.

What is the temperature and chemical resistance of Vespel SP-22?

Vespel SP-22 has excellent temperature resistance, with the ability to withstand high temperatures up to 300°C (572°F) continuously and up to 315°C (599°F) for short periods of time. It also has good chemical resistance to a wide range of solvents, acids, and bases. It is important to consider the specific chemical environment and consult the material’s chemical compatibility chart for suitability.

What are Vespel SP-22 sheets?

Vespel SP-22 sheets are made from 40% graphite filler and offer excellent thermal stability, electrical insulation, and dimensional stability. They are available in various sizes and thicknesses and can be cut to custom dimensions. The material complies with ASTM D6456-10 Standard Specification for Finished Parts Made from Polyimide Resin.

What are Vespel SP-22 rods?

Vespel SP-22 rods are made from 40% graphite filler and exhibit similar thermal and electrical properties as the sheets. They are available in different diameters and lengths and can be machined into custom parts or used as stock shapes for prototyping. The material meets ASTM D6456-10 Standard Specification for Finished Parts Made from Polyimide Resin.

What are the advantages of Vespel SP-22?

Vespel SP-22 offers excellent thermal stability, electrical insulation, wear resistance, and chemical resistance. It can withstand high temperatures, offers low friction, and has good dimensional stability.

What are the applications of Vespel SP-22?

Vespel SP-22 is used in various applications where high temperature, electrical insulation, and excellent wear properties are required. Common applications include bushings, bearings, seals, wear rings, thrust washers, and electrical insulators.

Can Vespel SP-22 be customized to meet specific design requirements?

Yes, Vespel SP-22 can be machined into complex shapes or direct-formed using a technique similar to powder metallurgy. Custom parts can be fabricated with close tolerances and precise dimensional accuracy.

Where can I purchase Vespel SP-22 and what is the price?

Vespel SP-22 is available globally from DuPont and its authorized distributors. The price can vary based on the specific product form, size, and quantity. It is recommended to contact DuPont or their distributors for pricing information and availability.

What is the final thought on DuPont Vespel SP-22?

DuPont Vespel SP-22 is a versatile advanced polymer solution that offers exceptional performance and durability in challenging industrial applications. Its unique combination of thermal stability, electrical insulation, wear resistance, and chemical resistance makes it a preferred choice for engineers worldwide.

What are the terms and abbreviations commonly used in the design and specification of Vespel SP-22?

Please refer to the glossary section for definitions and explanations of key parameters related to physical properties, mechanical properties, and design considerations.

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