FFKM O-Rings
Perfluororubber O-rings

Perfluoroelastomer (FFKM) O-rings are the preferred material for sealing in harsh environments due to their wide operating temperature range, excellent resistance to various corrosive media, and ultra-long service life. KODA offers high-performance FFKM O-rings and provides customized professional sealing solutions for various extreme applications.

KODA® O-rings
KODA® FFKM perfluororubber components are resistant to over 1800 chemicals and exhibit excellent high-temperature stability. Their applications are wide-ranging, covering harsh environments such as highly corrosive chemical processing, semiconductor wafer manufacturing, pharmaceuticals, oil and gas extraction, and aerospace. Thanks to their superior durability, KODA® FFKM components effectively reduce the frequency of seal replacement, maintenance, and inspection, extending the continuous uptime of processes and equipment, ultimately achieving a dual improvement in production efficiency and capacity.
Click here to learn more about specific compounds in KODA®
| Compound | Relative Cost | Hardness, (Shore A) | Tensile Strength psi, (MPa) | Elongation, %, min | Modulus at 100% psi, (MPa), min | Compression Set | Min. Temp. | Max. Temp. |
|---|---|---|---|---|---|---|---|---|
| General Purpose, Broad Chemical Resistance | ||||||||
| 6375 | $$$$$ | 75 | 2,200 (15.16) | 160 | 1050 (7.24 | 24 | -4ºF (-20ºC) | +527ºF (275ºC) |
| 505 | $$$$$ | 75 | 1,750 (12.1) | 140 | 1310 (9.0) | 25 | -22ºF (-30ºC) | +446ºF (230ºC) |
| 9071 | $$$$ | 75 +/-5 | 2,283 (15.74) | 160 | 996 (6.87) | 17.4 | +14ºF (-10ºC) | +464ºF (240ºC) |
| High Temperature Resistance and Low Compression Set | ||||||||
| 4079 | $$$$$ | 75 | 2,450 (16.88) | 150 | 1050 (7.24) | 14 | -2ºF (-19ºC) | +600ºF (316ºC) |
| 605 | $$$$$ | 80 | 2,150 (14.8) | 130 | 1000 (6.9) | 22 | -4ºF (-20ºC) | +500ºF (260ºC) |
| 9001C | $$$$ | 80 +/-5 | 1,431 (9.87) | 203 | 985 (6.79) | 23.4 | +14ºF (-10ºC) | +572ºF (300ºC) |
| High Temperature Resistance, Broad Chemical Spectrum, and Water/Steam Resistance | ||||||||
| 7075 | $$$$$ | 75 | 2,598 (17.91) | 160 | 1629 (11.23) | 10 | 0ºF (-18ºC) | +620ºF (327ºC) |
| 585 | $$$$$ | 80 | 1,825 (12.6) | 165 | 1240 (8.5) | 35 | -22ºF (-30ºC) | +428ºF (220ºC) |
| 9021C | $$$$ | 80 +/-5 | 2,907 (20.5) | 185 | 1356 (9.35) | 26.3 | +14ºF (-10ºC) | +554ºF (290ºC) |
| 9131E | $$$$ | 70 +/-5 | 2,742 (18.91) | 218 | 776 (5.35) | 38.1 | +14ºF (-10ºC) | +608ºF (320ºC) |