Vespel® Product Families

vespel® parts, manufactured by DuPont to your design specifications, are made from a variety of materials (polyimides, thermoplastics, composites and chemically resistant polymers). These products offer a unique combination of the physical properties and design flexibility. Parts can be designed to simplify product assembly and may reduce the need for other parts. As with metals and ceramics, Vespel® parts can successfully perform in demanding physical environments.

Vespel® S Line

The S family of Polyimide parts and shapes offers differing sets of attributes. The Vespel® S family of products are highly durable polyimides for demanding applications where exceptional thermal resistance, low wear and/or low friction, strength and impact resistance are desired.

Vespel® CR Line

The CR family provides excellent chemical resistance. Parts from the CR line can be found in refineries and chemical processing. These products offer high-creep resistance for seals, wear rings for pumps and easy machinability for tight-tolerance parts like ball-valve seats.

Vespel® CP Line

The CP family offers an array of fiber or fabric reinforced composites for a range of unique design needs when self-lubrication, wear and impact resistance are key. Polyimide from the CP line can be found as replacement for cast aluminum or titanium tube clamps in slide blocks and can be stronger than powder-filled compositions.

Vespel® ASB Line

The ASB family represents a set of capabilities combining the attributes of multiple materials integrated into an assembly. Such capabilities include fastening/bonding composites or carbon-graphites to supporting metallic structures or overmolding/insert molding one material with another material such as a thermoplastic. Such integration provides an expanded set of possibilities to help solve challenges.

AURUM®

AURUM® resin is a thermoplastic polyimide that is melt-processible lending itself to fabrication methods such as injection molding and extrusion. Offering continuous use temperatures to 240°C (465°F), AURUM® parts exhibit low outgassing, superior radiation resistance, excellent wear performance and resistance to chemicals. Components made from AURUM® resin can be excellent replacements for metals, ceramics, and other plastics.

AURUM® is a registered trademark of Mitsui Chemicals, Inc.

Vespel Plastic is the name given to parts molded from the powder of the aromatic polyimide resin (PI, Polyimide) developed by Dupont in the U.S.A. Vespel is a product with high heat and abrasion resistance among the high performance resins that are now available in the market and in mass production, and it is widely used in the production of aerospace parts, semiconductor process jigs, OA equipment, parts for industrial machinery, textile machinery, and parts for automobiles and construction vehicles. Vespel is widely used in the production of parts for the aerospace industry, jigs and fixtures for semiconductor processes, OA equipment, parts for various instruments, parts for industrial machinery and textile machinery, and parts for automobiles and construction vehicles. The main product lines are SP-1, SP-21, SCP-5000, and others.

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.

Vespel® S polyimide range

The Vespel® S product family are very durable polyimides for demanding applications requiring excellent heat, abrasion and/or friction resistance, strength and impact resistance.

SP-1 is unfilled. Demonstrates ** abrasion resistance and insulation at operating temperatures as low as 300°C. Low conductivity. SP series offers the highest elongation and purity. Can be supplied as customized parts or profiles.

SP-21 Graphite-reinforced type with low friction characteristics for a variety of applications with or without lubrication. Can be supplied as customized parts or profiles.

SP-202 Conductive part (<10E2 ohm) helps eliminate static electricity. Excellent wear resistance at high temperatures, dimensional stability, and good machinability. Can be supplied in the form of profiles.

SP-211 has a lower coefficient of friction than SP-21 in various applications without lubrication. Available as customized parts or profiles.

SP-22 Minimal thermal expansion and dimensional stability provide design flexibility. Can be supplied as customized parts or profiles.

SP-221 Suitable for highly specialized applications for soft metals in "no lubrication" conditions. Can be supplied as customized parts.

SP-2515 Lower coefficient of thermal expansion, excellent wear resistance and low coefficient of friction for dimensional control. Available as a custom part.

SP-3 Low outgassing for vacuum and dry environments. Can be supplied in the form of profiles.

SMR-0454 Graphite reinforced type with reduced friction. High modulus, low elongation, high compressive strength, low creep, and low deflection under load conditions. Can be supplied as customized parts.

ST-2010 is similar to SP-21 with enhanced toughness, higher elongation and better thermo-oxidative stability. Provides improved resistance to solvents, acids and bases. Can be supplied in customized part forms.

ST-2030 is similar to SP-22. It has been used in applications where low thermal expansion is more important than strength (which has been slightly reduced). Applications may include bearings, bushings, and washers. Can be supplied as customized parts.

SCP-5000 Unfilled SCP-5000 provides better plasma resistance, dimensional stability, and chemical resistance than unfilled SP-1. Similar to SP-1, SCP-5000 has good insulating properties. It has the highest elongation and purity of any SCP grade. It can be supplied in the form of profiles.

SCP-5050, SCP-5009 & SCP-50094 have higher resistance to thermal oxidation than SP polyimide and have ** chemical resistance.

SCP-5050 is comparable to the CTE of steel. SCP-5009 & SCP-50094 are close to the CTE of aluminum. Can be supplied as custom parts or profiles.

SMP-40025 High modulus and low elongation provide dimensional stability at high temperatures and under load. Can be supplied as customized parts.

SF-0920, SF-0930, SF-0940 ** Thermal and electrical insulation properties. Unique polyimide foam provides higher durability than low-density polyimide foam. Can be supplied as customized parts.

Vespel® TP Thermoplastics Product Range

The wide range of Vespel® TP thermoplastics provides parts with complex geometries for a large number of finished parts, especially in aerospace, automotive and industrial applications.

TP- 8005 is a translucent polyimide part designed for applications requiring high purity or electrical insulation. Heat Molding or Injection Molding

TP-8054 balances mechanical and thermal properties. Unfilled thermoplastic polyimide for high temperature environments.

TP-8130 Filled thermoplastic polyimide with excellent mechanical, thermal and friction properties. Excellent strength and toughness, dimensional stability, low outgassing, radiation resistance, creep resistance and low coefficient of thermal expansion.

TP-8161 A crystalline version of TP-8169 with improved heat deflection temperature and lower elongation.

TP-8169 Unfilled amorphous thermoplastic polyimide for injection moldable applications. It has higher elongation than TP-8161 and is heat resistant.

TP-8212 Filled thermoplastic polyimide for use in high temperature environments. Balanced mechanical and thermal properties with excellent electrical insulation and low coefficient of thermal expansion.

TP-8311 High temperature resistant parts that exhibit excellent mechanical properties in both lubricated and non-lubricated applications.

TP-8395 Filler blend in a polyimide matrix for high temperature and very wear-prone applications.

TP-8474 Filled thermoplastic polyimide with balanced mechanical, thermal and friction properties. Excellent strength and toughness, dimensional stability, low outgassing, radiation resistance, creep resistance and low coefficient of thermal expansion.

TP- 8541 Outstanding mechanical properties (especially impact resistance), excellent chemical resistance and high heat deflection temperature.

TP- 8549 has excellent physical properties which make it very suitable for certain applications such as blower motor bushings in commercial machines, scanner mirror bushings, etc.

TP- 8556 Excellent compliance, wear resistance and mechanical properties for seals.

TP-8792 Filler blend in thermoplastic polyimide matrix with excellent mechanical, thermal and friction properties. Excellent strength and toughness, dimensional stability, low outgassing, radiation resistance, creep resistance and low coefficient of thermal expansion.

TP-8929 Filled thermoplastic polyimide products offer a good balance of mechanical and thermal properties. Friction resistance, dimensional stability, low outgassing, radiation resistance, creep resistance and low coefficient of thermal expansion.

Vespel® CR product range

The Vespel® CR product range exhibits ** chemical resistance during refining or chemical processing.

They provide good creep resistance for seals, dry running for pump wear rings, and easy machining for parts with very tight tolerances (ball valve seats).

CR-6100 is a fiber-reinforced fluoropolymer material for use in harsh chemical environments that exhibits low creep and high heat resistance. It is well suited for seals, wear rings and other components. It is available in rod and tube form from authorized DuPont distributors.

Vespel® CP Product Family

When abrasion resistance and strength are key considerations, DuPont™ Vespel® CP parts are available in a range of fiber- or fabric-reinforced composites to meet a wide variety of unique design needs.

Composite parts can be used to replace aluminum or titanium parts in pipe clamps. The wear strips are self-lubricating. CP parts are commonly used in aircraft bushings, anti-friction pads, gaskets, shock absorbers and seals.

CP-0301 laminate-molded, reinforced polyimide resin is lightweight and strong. CP-0301 material is used in place of aluminum or titanium to reduce part weight, wear and friction, and fatigue or vibration.

CP-0301 pipe clamps offer higher fatigue resistance than those using die-cast aluminum.

CP-0644, CP-0648 & CP-0650 Fabric reinforced composites are stronger than filled composites. Lighter weight than aluminum. Made into self-lubricating bushings and gaskets for use in high temperature, oxidizing environments.

CP-0664 Fabric-reinforced composite that resists friction and maintains self-lubricating properties under high load conditions.

CP-8000, CP-8001 & CP-8002 are very similar to CP-0648, CP-0648, and CP-0650, and are made from twisted braided tubes of fiber rather than fabric. The fibers are tightly wrapped around the bushing to better match the CTE of the co-assembled part. Vespel® CP-9833 & CP-9836 fabric-reinforced composites, used in robotic end manipulators, are lighter in mass and have higher vibration damping properties than traditional ceramics and aluminum.

DuPont™ Vespel® ASB Components

Vespel® ASB components include fastened/bonded composites or graphite carbon to support metal structures or to perform attachment molding/intercalation molding of one material to another (e.g., thermoplastics).

ASB-0664, ASB-0670 Rail liners and wear strips consisting of composite liners bonded to metal retainers for high load applications.

ASB-0826 & ASB-3000 have higher thermal performance compared to ASB-0664 and ASB 0670. Ideal for bushings requiring high loads and self-lubricating properties.

ASB-5000 SERIES Carbon Graphite Components with Metal Dressing are used in applications where polymer composites are not suitable due to lack of thermal properties. The metal dressing reduces assembly difficulty, while the carbon graphite liner exhibits self-lubricating properties and wear resistance in oxidizing environments up to 1250°F (675°C).