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Home >> Seal >>O-Rings >> Kalrez Perfluoroelastomer Parts

High Performance Perfluoroelastomer Parts

Kalrez® parts last longer and seal more effectively than other elastomers in demanding processing environments

For demanding sealing applications when customers require the very best.  Kalrez® O-Rings manufactured only by DuPont™, are the elastomer seals of choice. Supplied in standard O-ring sizes or custom shapes, Kalrez® O-Rings resist over 1,800 different chemicals while offering the high-temperature stability of PTFE (327°C). Advanced properties help maintain seal integrity, reduce maintenance and operating costs and improve safety. Kalrez® O-Rings provide reliable, long-term service with a wide range of aggressive industrial and electronic grade chemicals. It is used in highly aggressive chemical processing, semiconductor wafer processing, pharmaceutical, oil and gas recovery, aerospace and petroleum applications.
Kalrez® parts and seals also help prevent semiconductor process contamination by reducing particulates, lowering extractables, and resisting degradation in harsh plasma. Kalrez® parts provide low outgassing in vacuum-sealing applications. FDA-compliant seals are also available for food, beverage or pharmaceutical processes.

Production facilities for Kalrez® are ISO 9000 and AS 9100 registered.


Features


 

Standard Kalrez® O-Ring Compounds

Daemar DMR O-Rings Kalrez

Kalrez® Compounds – 4079

4079 perfluoroelastomer parts are a black, low compression set product for use in many dry and wet semiconductor process environments. It has excellent chemical resistance, good mechanical properties and outstanding thermal stability.

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Kalrez® Compounds – 6375

6375 is designed to give outstanding performance in the widest possible range of chemicals and temperatures. This product is an excellent choice for use in acids, bases, amines, steam, ethylene oxide, and many other aggressive chemicals.

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Kalrez® Compounds – 7075

7075 is designed for general-purpose use as O-rings or custom sealing components in the chemical and hydrocarbon processing industries. It is a carbon black-filled compound with mechanical properties designed for improved sealing performance in temperature cycling applications. 7075 has improved thermal resistance that extends maximum service temperature to 327 °C (620 F).

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Kalrez® Compounds – 0090

0090 perfluoroelastomer parts deliver durable, reliable sealing solutions for applications requiring excellent rapid gas decompression (RGD) properties as well as high hardness and high modulus properties. Some application areas include downhole equipment such as drilling and completion tools as well as industrial equipment including pumps and valves.

Specialty Kalrez® O-Ring Compounds

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Kalrez® Compounds – 1050LF

1050LF is a carbon black-filled product for O-rings, seals, and other parts used in chemical process industries. It has good hot water/steam, and excellent amine resistance. Kalrez® 1050LF is not recommended for use in organic acids, or inorganic acids at high temperatures.

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Kalrez® Compounds -6380

6380 is a non-black product specifically developed for chemical processes involving hot, aggressive amines. It has also been successfully used in applications involving highly oxidizing chemicals. In addition, it has excellent overall chemical resistance. This cream colored product is easily identifiable when selecting an O-ring material for harsh chemical plant services.

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Kalrez® Compounds -7090

7090 is a product for uses requiring higher hardness/higher modulus than more typical applications. Kalrez® 7090 perfluoroelastomer parts are well suited for both static and dynamic applications as well as specific sealing applications requiring extrusion resistance at high temperatures.

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Kalrez® Compounds -0040

0040 -is a black product specifically designed for low temperature environments where significant chemical resistance is required. Kalrez® 0040 parts maintain elasticity and seal force at temperatures unattainable by other perfluoroelastomers.

 

 

Kalrez® is a registered trademark of E.I. du Pont de Nemours and Company or its affiliates

 

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