Sp211 lower coefficient of friction than sp21 without lubrication in various applications. This product is a good candidate for applications such as cmp retaining rings, test sockets, substrate lift pins or any other application that requires high. Provides superior performance in operating temperatures up to. Vespel is a highperformance polyimide material that offers a broad combination of temperature. It also provides high physical strength and maximal elongation, and the best electrical and thermal insulation values. Vespel performs well with or without lubrication under conditions which would destroy other plastics or severely wear many metals. Vespel parts function over a wide range of temperatures and stresses.
Vespel sp polyimide rod is produced from advanced polymers developed by dupont. Dupont vespel sp211 parts and shapes have a low coefficient of friction over a wide range of operating conditions. It provides low friction for bearing and wear, thrust washers and dynamic seals. That is why boulden stocks vespel cr6100 shapes in north america, europe, and singapore, available for immediate delivery. Vespel is a high performance plastic that is heat, chemical and creep resistance while retaining dimensional stability in an extreme range of temperatures. Vespel sp21 parts and shapes provide low wear and friction for bearing. Vespel parts are widely used as key components in automobile, oa machine, electronics, electrical equipment, industrial machinery, semiconductors, tft plant and other manufacturing equipment. Dupont vespel sp3 polyimide, 15% mos2 filled mos2 added to provide dry lubrication for bearings in vacuum. Dupont vespel machining guide for vespel polymide parts. Vespel is manufactured as unfilled vespel sp1, bearing vespel sp21, vespel sp22, vespel sp211, lubricantfilled vespel sp3, and other specialty grades. Sp22 is a filled polymer of vespel and is available in rod. Provides the maximum geometric flexibility being a thermoplastic material most suited to injection moulding. The information provided in this data sheet corresponds to our knowledge on the.
Due to its excellent dimensional stability, chemical resistance, and large temperature range, dupont vespel cr6100 can replace metal, carbon, bronze, and other composite materials for use in pump wear rings, vertical pump shaft bearings. This high performance polyimide material has consistently exhibited superior performance in a variety of applications requiring low wear and long life in. Vespel sp1 molded polyimide vespel sp1 provides maximum physical strength, elongation, and toughness as well as the best electrical and thermal insulation. The values are guideline values that can be used for comparison for material selection. This brochure is designed to help you obtain the best possible results in machining dupont vespel parts from these shapes. When your machine needs to be repaired, you cannot wait several weeks to get material in your hands. Vespel sp21 has maximum physical strength, elongation, and toughness. On the left is a broken tensile specimen with two rectangular samples machined down the middle. Vespel sp22 for vespel sp22, 40% graphite by weight is added to the base resin for enhanced resistance to wear and friction and good dimensional and oxidative stability. Dupont vespel sealing solutions are distributed by. Mechanical property temperature astm units typical values tensile strength.
Dupont page 1 material safety data sheet vespel polyimide parts and shapes all in synonym list vsp001 vsp001 revised 29mar2002. Some data presented below are based on limited production runs and are subject to revision as new knowledge and experience become available. Vespel polyimide, vespel polyimide tradeasia global. The msds format adheres to the standards and regulatory requirements of the united states and may not meet regulatory requirements in other countries. Sp22 minimal thermal expansion and dimensional stability for design flexibility. All samples dried at 120c 248f for 4 hours prior to test. Dupont vespel is a highperformance polyimide resin.
Dupont vespel cr6100 is a composite material manufactured from teflon pfa and carbon fibers. O preferred fields semiconductor technology hot gas technology. Some data presented below are based on limited production runs and are subject to revision as new knowledge and. Dupont vespel sp21 low friction material properties.
It combines heat resistance, lubricity, dimensional stability, chemical resistance and creep resistance, to be used in hostile and extreme environmental conditions. Vespel parts, like all plastic parts, are governed by the same rules for good design and by the same physical laws as other materials. This high performance polyimide material has consistently exhibited superior performance in a variety of applications requiring low wear and long life in severe environments. Dynamic mechanical analysis dma to help characterize. Dupont vespel sp3 parts and shapes are specified for seals and bearings in vacuum or dry environments. Astm property k method units m df m df m df m df m mechanical tensile strength, 296 d1708 mpa 86. Therefore, the intent of this manual is to help designers apply these principles to the selection, testing and. The information provided in this data sheet corresponds to our knowledge on the subject. Typical properties of vespel astm or ul test property sp1 sp21 sp22 sp211 sp3. Vespel sp22 has the lowest coefficient of thermal expansion of the graphitefilled grades. Vespel sp1 is a nonthermoplastic superengineering plastic with excellent physical and chemical properties. Select type of vespel datasheet of the supplier, internal tests and research.
Typical applications are the same as those for vespel sp21. Vespel sp1 material specifications technical products, inc. It also features excellent electrical insulating and sealing characteristics, making it a good choice for semiconductor, aerospace and high performance sealing applications. Properties of dupont vespel parts craftech industries. Therefore, the intent of this manual is to help designers apply these principles to the selection, testing and specification of vespel tp8000 series parts. Vespel sp1 material specifications vespel is one of the highest performing engineered plastics currently available. Some values are based on the datasheet of the supplier, internal tests and research. For lubricated or nonlubricated, low friction and wear.
This grade of torlon offers unmatched wear performance at high pvs without external. Dupont vespel polyimide polymer plastics company, lc. For vespel sp22, 40% graphite by weight is added to the base resin for enhanced resistance to wear and friction and good dimensional and oxidative stability. Sp202 is the electrically conductive grade of dupont tm vespel. Supa, institute for astronomy, university of edinburgh,blackford hill, edinburgheh9 3hj, uk uk astronomy technology centre, blackford hill, edinburgheh9 3hj, uk school of physics and astronomy, university of edinburgh,blackford hill, edinburgheh9 3hj, uk. Sp3 used in vacuum and dry environments with low outgassing. Dupont vespel polyimide is an extremely high temperature, creep resistant material that is often used in high heat environments where thermoplastic materials would lose their mechanical properties. A low temperature thermal conductivity database adam l. Dupont vespel products offer unique high performance properties that help. Vespel polyimide is a high performance polymer mostly used in aerospace, semiconductor and transportation technology. Physical properties metric english comments specific gravity 1. Dupont vespel polyimide shapes are made by dupont from highperformance sp and scp polyimide resins, and are available as rods, tubes, plaques, rings, discs andor bars. The family of vespel includes sp1, sp21, sp22, sp211, sp3, cr6100, scp5000, etc. You may also want to visit our polyimide parts page for more vespel and plavis information.
Vespel scp5000 vespel sp1 competitive hightemperature engineering plastics all samples were solid cylinders 10 mm diameter by 20 mm long. Dupont vespel sp21 is graphiteenhanced with lowfriction properties for use with or without lubrication in various applications. As the authorized distributor, thyssenkrupp thyssenkrupp engineered plastics offer all vespel grades in rods in a variety of sizes. Typical properties of vespel astm or ul test property sp1 sp21 sp22 sp211 sp3 filler material unfilled. Same as sp21 for wear and friction plus improved dimensional graphite filler. Vespel sp21 has the highest mechanical properties of the graphite filled grades.
Vespel retains its outstanding creep, abrasion resistance, and strength under adverse. Dupont vespel sp21 is available as isostatically molded billet and unidirectionally. For each specimen, the longer of the two rectangular samples was used for dma testing. The msds format adheres to the standards and regulatory. Vespel sp1 polyimide data sheet cct precision machining. Sp22 has 40% graphite filler by weight and enhances wear resistence while improving thermal stability. Figure 1 shows the types of sample preparation used with vespel sp211. A highly durable polyimide which delivers superior wear resistance, insulation and a low coefficient of friction, this material is the most common solution and delivers the best balance of properties. A collection of durable polyimides combining the best characteristics typically found in plastics, metals and ceramics. In addition to the unique combination of properties that the s line of vespel carries, sp202 has electric conductivity properties that make it the ideal vespel option where the potential for static discharge is a concern.
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