What is vespel®PI (Vespel) Polyimide
PI VESPEL series is a new type of high-temperature thermosetting engineering plastics, due to its ability to maintain high physical and mechanical properties in a wide range of temperatures of minus 270-400 degrees Celsius, at the same time, can be used in the air for a long period of time at -240-260 degrees Celsius, and has an excellent electrical insulation, abrasion resistance, high-temperature radiation resistance and physical and mechanical properties, synthetic ways and can be processed by various methods of molding. Mechanical properties, more synthetic ways and can be used in a variety of methods of processing and molding.
● Pump seats, seals, friction surfaces
● Structural and wear-resistant parts for semiconductor and electronics manufacturing
● Fixtures and operating parts for glass and plastics manufacturing
● Replacement of metals for aerospace parts - lightweight, lubrication-free.
Key Properties:
● Heat resistance: up to 288°C in continuous use and up to 480°C for short periods of time.
● Abrasion resistance: Vespel's lubrication-free PV value is more than 10 times higher than that of general engineering plastics, and it is highly resistant to both impact and vibration abrasion.
● Creep: Creep at 260°C and 186kg/cm2 is only 0.6% for 1000 hours.
● Deformation to load: 1/70th of teflon and 1/10th of nylon at 50°C and 140kg/cm2.
● Chemical resistance: Resistant to grease, oil, and solvents. Like metal, it is not burned.
Product category:
DuPont Vespel is the most typical representative of the polyimide (PI) plastic series.
● VESPEL-SP1 ( brown ): The basic specification has the highest mechanical strength and electrical properties.
● VESPEL-SP21 (black): A 15% graphite-filled specification that provides abrasion characteristics and heat resistance.
● VESPEL-SP211 (black): 15% graphite and 10% PTFE filled for the lowest coefficient of static friction. Suitable for use in medium temperature environments.
● VESPEL-SP22 (black): 40% graphite filled for the lowest coefficient of expansion and highest creep resistance.
● VESPEL-SP3 (black): 15% molybdenum disulfide filled specification for friction sliding requirements in vacuum or inert gas.
● VESPEL sheet, VESPEL rod, PI sheet, PI rod
For VESPEL SP1 and PI machined parts, please contact sales@honyplastic.com
●Special specifications please inquire sales@honyplastic.com
What are the Common Types of Machined Vespel® Used in Manufacturing?
There are several types of machined Vespel used in manufacturing for a variety of applications. The most common of these include the following:
Vespel SP-1
Vespel SP-21
Vespel SP-3
Vespel SP211
Vespel SP22
Vespel SP3
Vespel SCP5000
Vespel SCP50094
Vespel CR6100
Vespel SP202
Vespel ST2010
Vespel ST2030
Other Types of Vespel Material
In addition to the four most common types of DuPont Vespel plastic, the following types may also be used:
Vespel SP211
Vespel SP3
Vespel SCP5000
Vespel SCP50094
Vespel CR6100
Vespel SP202
Vespel ST2010
Vespel ST2030
Application areas:
● Pump valve seats, seals, friction surfaces
● Structural and wear-resistant parts for semiconductor and electronics manufacturing
● Jigs and operating parts for glass and plastic manufacturing
● Metal replacement for aerospace components - lightweight, lubrication-free
Applications of Vespel Plastic
Due to its physical and chemical properties, Vespel plastic is used across many different industries. This includes aerospace, semiconductor, and transportation industries – particularly in challenging conditions. The reason why Vespel plastic can be used in so many industries is because of its ability to withstand high heat, its low-wear, and low-friction properties.
Even under ultra-high-stress testing, no outgassing occurs with Vespel plastic, making it ideal for dry and vacuum options such as aerospace. The low-wear and low-friction properties make it easier for application in industries such as semiconductors and automotive where tight-tolerance and other specific operating conditions need to be considered.
Vespel is used in applications such as:
Insulators
Valve seats
Balls
Poppets
Wafer clamping
Clamping rings
Bushings
Locking fasteners
In-chamber semiconductor parts
Thrust washers
Seal rings
Bearings
Piston Rings
Industries that Utilize Vespel Polymers
Vespel plastic machining occurs in a variety of industries due to the material`s versatility and resistance to extreme temperatures. From oil and gas applications to transportation technology, Vespel is used in nearly any application that requires a tough, durable material.
Oil and Gas
Vespel plastic is used in a variety of parts for the oil and gas industry, including valves, seals, gaskets, bearing surfaces, and piston rings. In addition to its resistance to extreme temperatures and chemical exposure, Vespel plastic also offers superior wear resistance and stability, which makes it ideal for applications in the oil and gas industry.
Space
Vespel plastics are widely used in the aerospace industry due to their high performance and ability to withstand extreme temperatures. They offer superior wear resistance and lubricity, and they can be machined into extremely precise aerospace components for rockets, satellites, and space vehicles.
Semiconductor
In semiconductor manufacturing, Vespel is often used for parts such as wafer clamps, seal rings, valve seats, and thrust washers. The material`s low-outgassing properties make it a great option for in-chamber machining of precision parts.
Automotive
Ideal for high-tolerance parts in transportation applications, Vespel plastic is being used increasingly in the automotive industry for items such as bearings, gaskets, and seals. Its ability to withstand extreme temperatures with no outgassing makes it ideal for components subject to high stress levels.
Injection Molds & Systems
While DuPont Vespel cannot be injection molded itself, this plastic is suitable for applications in the production of injection mold equipment, such as insulator tips, largely because of its low-friction properties.
Vespel® products are made from a wide range of materials (polyimides, thermoplastics, composites and chemically resistant polymers). These products offer a unique combination of physical properties and design flexibility. Parts can be supplied as customized parts, profiles, components or assemblies.
FAQ
Q:Can Vespel be injection molded?
A:Most types of Vespel cannot be injection molded because they are difficult to manufacture into complex shapes.
However, many of the Vespel TP-8000 Series components are suitable for fabrication by injection molding.
Q:Why is Vespel so expensive?
A:Vespel is pricier compared to other engineering plastics due to its high-performing properties. This material also has a unique blend of properties and characteristics which make it suitable for extreme temperature environments and applications where corrosion resistance is essential. This makes it ideal for many industries, but also drives up costs due to its exclusivity.
Q:How is Vespel made?
A:Vespel is made from polyimide-based plastic material, which is composed of a blend of polyimide and PTFE resins. The material is pressed into sheets and then cut into the desired shape.
Q:Are there alternatives to Vespel?
A:Meldin is an alternative to Vespel. Used in a variety of ways, from the production of guitar picks to semiconductor applications like wafer handling and processing, Meldin is a versatile plastic that is more cost-effective than Vespel.
Whether you choose Vespel or Meldin for your application, Aero-Plastics is capable of machining both materials to your exact specifications.
Q:Can Vespel plastic handle cold temperatures?
A:Yes, Vespel can withstand consistent cryogenic temperatures.
Q:What are the advantages of using DuPont Vespel?
A:DuPont is the only producer of Vespel, which offers a wide range of benefits, including high strength and wear performance, low friction, excellent chemical resistance, thermal and electrical insulation properties, dimensional stability, and flexibility. It also features a low coefficient of thermal expansion, low outgassing characteristics, and can endure extreme environmental conditions.
Q:Is it possible to get Vespel parts made quickly?
A:Our services include a rapid response option for those who need parts right away. If you require Vespel parts that need to be made within a tight turnaround time, please get in touch with us sales@honyplastic.com
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