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FFKM

FFKM Perfluoroelastomer

Perfluoroelastomer (FFKM/FFPM) parts resist over 1,800 different chemicals, including concentrated nitric acid, sodium hydroxide, ethylene diamine and steam while offering the high temperature stability of PTFE (327°C).

About FFKM

FFKM parts and seals also help prevent semiconductor process contamination by reducing particulates, lowering extractables, and resisting degradation in harsh plasma. Perfluorelastomers provide low outgassing in vacuum-sealing applications. FDA-compliant seals are also available for food, beverage or pharmaceutical processes.

FFKM applications

FFKM parts are used in highly aggressive chemical processing, semiconductor wafer fabrication, pharmaceutical, oil and gas recovery, and aerospace applications. The long-term, proven performance of FFKM parts can mean less frequent seal changes, repairs and inspections, increasing process and equipment uptime for greater productivity and yield.

ERIKS clean rooms

In its own clean rooms ERIKS can prevent contamination and "outgassing" of components. In the clean rooms, o-rings and other sealing products and plastics are cleaned in various ways. The products are made dust-free and optimally packed under stringent procedures and work instructions, for both ERIKS and non-ERIKS products resulting in considerable time savings.

Kalrez® by ERIKS

A well-known manufacturer of Perfluoroelastomer (FFKM/FFPM) parts is DuPont ™ with its own brand Kalrez®. ERIKS is one of the largest official DuPont™ Kalrez® distributors and has a wide range of Kalrez® products in its portfolio.

Datasheets FFKM

The table below shows the available datasheets for this material in pdf. Safety datasheets are available here.

Ask ERIKS

For more information on FFKM or one of our other o-ring materials please visit our contact page or fill in the “Ask ERIKS” form below.

Compound Number Material Nominal hardness Compliances Application Colour Minimum temperature Maximum temperature Datasheet
0040 Kalrez® 70 ADI,REACH,RoHS Chemical processing Black -42 220
0090 Kalrez® 95 NORSOK M710 Oil and Gas Black -10 250
3018 Kalrez® 90 Chemical processing | Oil and Gas Black -10 288
4079 Kalrez® 75 ADI,REACH,RoHS Semiconductor | Chemical Processing Black -10 316
6221 Kalrez® 70 ADI,FDA 21 CFR 177-2600,REACH,RoHS,USP Class VI Pharmaceutical | Food and Beverage White -10 260
6230 Kalrez® 75 ADI,FDA 21 CFR 177-2600,REACH,RoHS,USP Class VI Pharmaceutical | Food and Beverage Black -10 260
6375 Kalrez® 75 ADI,REACH,RoHS Chemical processing Black -15 275
7075 Kalrez® 75 ADI,REACH,RoHS Chemical processing Black -10 327
8002 Kalrez® 70 ADI,REACH,RoHS Semiconductor Clear -10 250
8085 Kalrez® 80 ADI,REACH,RoHS Semiconductor Beige -10 240
8475 Kalrez® 60 ADI,REACH,RoHS Semiconductor White -10 300
8575 Kalrez® 60 ADI,REACH,RoHS Semiconductor White -10 300
9100 Kalrez® 75 ADI,REACH,RoHS Semiconductor Transluc. -10 300
2037UP Kalrez® 80 ADI,REACH,RoHS Semiconductor White -10 220
6375UP Kalrez® 75 ADI,REACH,RoHS Semiconductor Black -10 275
7075UP Kalrez® 75 ADI,REACH,RoHS Semiconductor Black -10 327
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