What does ffkm mean?
Definitions for ffkm
ffkm
This dictionary definitions page includes all the possible meanings, example usage and translations of the word ffkm.
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Wikipedia
FFKM
For the "Fiombonan'ny Fiangonana Kristiana eto Madagasikara" (FFKM) see Council of Christian Churches in Madagascar.FFKMs (by ASTM 1418 standard) (equivalent to FFPMs by ISO/DIN 1629 standard) are perfluoroelastomeric compounds containing an even higher amount of fluorine than FKM fluoroelastomers. They have improved resistance to high temperatures and chemicals and even withstand environments where Oxygen-Plasma are present for many hours. Certain grades have a maximum continuous service temperature of 327 °C (621 °F). They are commonly used to make O-rings and gaskets that are used in applications that involve contact with hydrocarbons or highly corrosive fluids, or when a wide range of temperatures is encountered. For vacuum applications, demanding very low contamination (out-gassing and particle emission) as well as high temperature operation (200 - 300 °C) for prolonged out-baking or processing times and where a copper or metal sealing is not possible or very inconvenient/expensive, a custom-made, clean-room manufactured, sealing such as Kalrez® 9100, SCVBR or Perlast can be used. After manufacturing, they are O-plasma vacuum cleaned (and/or vacuum baked) to reach out-gassing performance similar to Teflon while reaching vacuum leak tightness (permeability rates) similar to FKM (Viton) compounds. This combination of properties allows FFKM seals to reach well into UHV pressures without the use of metal sealing. However, they are significantly more expensive than standard FKM O-rings.
Numerology
Chaldean Numerology
The numerical value of ffkm in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of ffkm in Pythagorean Numerology is: 9
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"ffkm." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/ffkm>.
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