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. Contact Us for more information.
| Kalrez® Compound | Industry Segment | Hardness Shore A | Description/Application | 100% Modulus Mpa (Psi) | Colour | Max. Service Temp |
|---|---|---|---|---|---|---|
| Spectrum™ 7075 | Chemical and Mineral Processing | 75 | Highest temperature resistance, lowest compression set, temperature cycling | 7.6 (1,100) | Black | 327°C |
| Spectrum™ 6375 | Chemical and Mineral Processing | 75 | Outstanding performance in the widest possible range of chemicals and temperatures | 7.2 (1,050) | Black | 275°C |
| Spectrum™ 6380 | Chemical and Mineral Processing | 80 | Developed specifically for hot aggressive amine environments | 6.89 (1,000) | Cream | 225°C |
| 4079 | Chemical and Mineral Processing | 75 | High temperature, low compression set | 7.2 (1,050) | Black | 316°C |
| 1050LF | Chemical and Mineral Processing | 82 | General purpose hot water/steam, amines | 12.4 (1,800) | Black | 288°C |
| 1058 | Chemical Processing | 65 | Softest compound for low sealing force applications | 4.7 (675) | Black | 260°C |
| 2037 | Chemical Processing/ Semiconductor | 79 | White filled, high purity, general chemical resistance | 6.2 (900) | White | 218°C |
| 2035 | Chemical Processing/ Semiconductor | 85 | Suitable for Ethylene Oxide | 8.61 (1,250) | Black | 220°C |
| Spectrum™ 7090 | Chemical and Mineral Processing/Oil & Gas Exploration | 90 | Excellent explosive decompression resistance, low compression set and high temperature resistance | 15.5 (2,248) | Black | 325°C |
| 3018 | Chemical and Mineral processing/Oil & Gas Exploration | 91 | High hardness, high modulus, extrusion resistance | 16.9 (2,450) | Black | 288°C |
| 3065 | Oil and Gas industry | 90 | High hardness, high modulus, extrusion resistance, custom parts | N/A | Black | 288°C |
| 6885 | Spray paint Application only | 75 | Spray Systems | 6.89 (1,000) | Black | 270°C |
| 6880 | Spray paint Application only | 70 | Spray Systems | 2.48 (360) | White | 250°C |
| 6230 | Pharmaceutical & Food Grade | 75 | Superior chemical resistance and low contamination from extractables;FDA, USP Class VI, FCN 000101 | 7.1 (1,020) | Black | 260°C |
| 6221 | Pharmaceutical & Food Grade | 70 | Superior chemical resistance and low contamination from extractables;FDA, USP Class VI, FCN 000102 | 7.2 (1,050) | White | 260°C |
| 6230A | Pharmaceutical & Food Grade | 75 | Sanitary Seals | 7.1 (1,020) | Black | 260°C |
| 7075UP | Semiconductor | 75 | Recommended compound for thermal applications | 7.6 (1,100) | Black | 327°C |
| 6375UP | Semiconductor | 75 | Wet process applications, low elemental extractables, static and dynamic applications | 7.2 (1,050) | Black | 275°C |
| 4079UP | Semiconductor | 75 | Thermal applications | 7.2 (1,050) | Black | 316°C |
| 2037UP | Semiconductor | 79 | High Purity for clean room environment | 6.2 (900) | White | 218°C |
| 8002 | Semiconductor | 69 | Select semiconductor plasma and gas deposition applications, low particle generation | 2.9 (420) | Clear | 250°C |
| Sahara™ 8085 | Semiconductor | 80 | Plasma and gas deposition, HDPCVD, PECVD, SACVD, Etch, Ash, low particle generation o-rings and bonded doors | 7.5 (1,085) | Beige | 240°C |
| Sahara™ 8475 | Semiconductor | 60 | Thermal applications | 2.2 (320) | White | 300°C |
| Sahara™ 8575 | Semiconductor | 62 | Etch - low weight loss in oxygen and fluorine based plasmas | 2.5 (360) | White | 300°C |
| 9100 | Semiconductor | 74 | High hardness, high modulus, excellent resistance | 4.3 (620) | Amber translucent | 300°C |