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Kalrez®

Rubbertechnology - Kalrez

The Seal to Trust for Tough Sealing Applications

For demanding sealing applications when customers require the very best, Kalrez® parts manufactured only by DuPont" Performance Elastomers, are the elastomer seals of choice. Supplied in standard O-rings or custom shapes, Kalrez® resists 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® parts 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. Production facilities for Kalrez® are ISO 9000 and AS 9100 registered.

Kalrez® Compound Number Industry Segment Elastomer Hardness Shore A Description / Application Colour Temp°C
4079UP (96kB) Semiconductor FFKM 75 Thermal applications Black 316°C
1050LF (67kB) Chemical processing FFKM 82 General purpose hot water/steam, amines Black 288°C
Spectrum™ 6375 (115kB) Chemical processing FFKM 75 Outstanding performance in the widest possible range of chemicals and temperatures Black 275°C
Spectrum™ 7075 (104kB) Chemical processing FFKM 75 Highest temperature resistance, lowest compression set, temperature cycling Black 327°C
6221 (126kB) Pharmaceutical & Food FFKM 70 FDA, USP Class VI , FCN 000101 White 260°C
6230 (126kB) Pharmaceutical & Food FFKM 75 FDA, USP Class VI , FCN 000101 Black 260°C
2037 (94kB) Chemical processing FFKM 79 White filled, high purity, general chemical resistance White 220°C
2037UP (94kB) Semiconductor FFKM 79 High purity White 220°C
4079 (89kB) Chemical processing FFKM 75 High temperature, low compression set Black 316°C
6375UP (160kB) Semiconductor FFKM 75 Wet process applications, low elemental extractables, static and dynamic applications Black 275°C
7075UP (100kB) Semiconductor FFKM 75 Recommended compound for thermal applications Black 327°C
8002 (74kB) Semiconductor FFKM 69 Select semiconductor plasma and gas deposition applications, low particle generation Clear 250°C
Sahara™ 8085 (124kB) Semiconductor FFKM 80 Plasma and gas deposition, HDPCVD, PECVD, SACVD, Etch, Ash, low particle generation o-rings and bonded doors Beige 240°C
Sahara™ 8475 (119kB) Semiconductor FFKM 60 Thermal applications White 300°C
Sahara™ 8575 (160kB) Semiconductor FFKM 62 Etch - low weight loss in oxygen and fluorine based plasmas White 300°C
3018 (172kB) Chemical processing / Oil exploration FFKM 91 High hardness, high modulus, extrusion resistance Black 288°C
9100 (104kB) Semiconductor FFKM 74


High hardness, high modulus, excellent resistance Amber translucent
300°C
Product Name MSDS Nº Chemical Name Date of issue
EPDM ERIKS compound 55914 (84kB) E0002 Ethylene-Proplene elastomer 01/09/2005
EPDM ERIKS compound 55914 PC (84kB) E0003 Ethylene-Proplene elastomer 01/09/2005
NBR ERIKS compound 47702 (86kB) N0014 Acrylonitrile-butadiene copolymer 01/09/2005
NBR ERIKS compound 36624 (86kB) N0001 Acrylonitrile-butadiene copolymer 01/09/2005
Silicone ERIKS compound 714177 (84kB) S0008 Silicone Rubber Compound 01/09/2005
Viton® compound 51414 black (84kB) V0008 Fluorinated Elastomer 01/09/2005
Viton® compound 51414 green (84kB) V0009 Fluorinated Elastomer 01/09/2005
Kalrez® - 4079 (21kB)
KRZ013
Perfluoroelastomer
14/05/2004
Kalrez® - KRZ028 (23kB)
KRZ028
Perfluoroelastomer
14/05/2004
Kalrez® - KRZ042 (34kB) KRZ042 Fluoroelastomer 15/02/2007
Kalrez is a registered trademark of DuPont Performance Elastomers L.L.C.
Spectrum is a trademark of DuPont Performance Elastomers L.L.C.
Sahara is a trademark of DuPont Performance Elastomers L.L.C.

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© ERIKS group nv, 2008.