Ffkm(Perfluoroelastomer) yog qhov siab - Performance roj hmab roj hmab nrog cov yam ntxwv hauv qab no:
Cov Qauv Tshuaj
Cov tshuaj fluorinated puv roj carbonin (tsis muaj hydrogen atoms), cov qauv txheej txheem: - (CF2CF2O) � - (CF2 CF2 O) N -.
Sab saw muaj cov pab pawg perfluoroalalkyl, muab cov inertness huab.
Cov Khoom Siv Tseem Ceeb
Siab - kub tsis kam: Siv tas mus li 327 degree, luv - Lub sij hawm kam kam rau 343℃(piv txwv li, Chemours Kalrez® 6375).
Tshuaj Kuj: Tsis kam 1, {600+} pa tshuaj, suav nrog cov muaj zog acids (muaj cov horso₄), cov hauv paus (NAOH), thiab ntshav.
Tsawg permeability: Roj permeability 10 × qis dua fkm, zoo tagnrho rau ultra- lub tshuab nqus tsev siab (piv txwv li etching tshuab).
NEEG KHO TSHUAB STABTION: COMPression Teeb<20% (ASTM D395 test).
Cov Ntawv Thov
Sicultonductors: O {{- rings hauv wafuction ua khoom siv (tiv taus etching roj zoo li Clr₂, NFO).
Lub zog: Downhole cuab tam zeb ntsaws ruaj ruaj (Toltates H₂S, CO₂, 250 Qib / 15,000PSI ib puag ncig).
Ib tug tub rog: Cov seev suab rau cov roj foob pob roj li qub (tiv taus hydrazine -} Raws li cov propellants).
Piv nrog lwm cov ntaub ntawv
| Ntiag tug | Ffkm | Fkm | Silicone |
|---|---|---|---|
| Max kub | 327 Qib | 230 Qib | 230 Qib |
| Tshuaj Kuj | ★★★★★ | ★★★☆☆ | ★★☆☆☆ |
| Tus nqi | Heev siab ($ 5000+ / kg) | Siab ($ 100+ / kg) | Tsawg ($ 20+} / kg) |
Kev txwv
Txoj kev ua cov khoom: yuav tsum tau cov pwm tshwj xeeb thiab kev siv cov txheej txheem vulcanizents.
Tus nqi siab: Raw Khoom (Perfluoro Monomer) synthesis cuam tshuam nrog ntau-}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Taug kev fluorinate ntau.