evolast®
Perfluorinated rubber – FFKM
FFKM materials are elastomers offering the highest chemical and heat resistance. Some FFKM types can be exposed to temperatures over 300°C. The resistance to chemicals is nearly universal and comparable to that of PTFE.

evolast® parts, the ultimate generation of perfluoroelastomers (FFKM according to ASTM D1418), are designed to combine the needs for chemical and thermal resistance provided by PTFE with the sealing properties (compression set) typical of elastomers.
evolast® seals are used in heavy duty equipment in critical processes where mechanical seals, valves, pumps, require the maximum of performance in particularly harsh environments.
evolast® items are available in the usual shapes such as O-rings and gaskets both in standard and customized dimension.
evolast® parts are recommended for extremely severe applications where difficult and costly maintenance strongly reqiures reduced process downtimes.
Thanks to a wide range of specific FFKM grades and compounding recipes, evolast® components have outstanding properties well above any other elastomers including FKM and FEPM.
Oustanding resistance in aggressive chemicals, acids, organic and inorganic media, ketones, esters, solvents, amines, hot steam and water.
Wide range of temperatures from -25°C up to 270°C for standard grades, up to and 340°C for premium grades. Special grades from -40°C up to 260°C are also available.

evolast® Compounds
min. – max.
USP Class VI
3A-Sanitary Standard
chemical resistance
USP Class VI
3A Sanitary Standard
chemical resistance
DM 21/03/1973
BfR XXI
EC 1935/2004
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
high purity
plasma applications
chemical resistance
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
chemical resistance
excellent low temperature
chemical resistance
outstanding thermal stability
not suitable for steam/amine
chemical resistance
chemical resistance
FDA 21 CFR 177.2600
FDA 21 CFR 177.2400
3A Sanitary Standard
USP Class VI
hot water
amines
chemical resistance
chemical resistance
chemical resistance
chemical resistance
chemical resistance
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
chemical resistance
hot water
chemical resistance
chemical resistance
chemical resistance
chemical resistance
chemical resistance
NORSOK M710
NACE TM0187 (sour gas environment) 20% H2S
API6A (sour gas environment) 10% H2S
Sour fluid test Arrhenius ISO 23936-2/NORSOK M710-3
NORSOK M710
high temperature
chemical resistance
NORSOK M710
excellent low temperature
chemical resistance
plasma applications
chemical resistance
plasma applications
chemical resistance
FDA
USP Class VI
3A-Sanitary Standard
chemical resistance
chemical resistance
On request available for other products.