Views: 0 Ɔkyerɛwfo: Site Editor Publish Bere: 2023-08-22 Mfiase: Beaeɛ
Fluoroelastomer nsɔano, sɛ wɔde di dwuma ma engine sealing a, ebetumi ayɛ adwuma bere tenten wɔ 200°C~250°C, na ayɛ adwuma bere tiaa bi wɔ 300°C, na n’adwumayɛ asetra betumi ayɛ nea ɛte sɛ engine rework asetra, a ɛyɛ 1000 ~ 5000 wimhyɛn nnɔnhwerew (5 ~ 10); Sɛ wɔde di dwuma wɔ nnuruyɛ mu a, ebetumi asiw acid a ɛnyɛ nkwaboaa no ano (sɛ nhwɛso no, sulfuric acid 67% wɔ 140°C, hydrochloric acid a wɔahyɛ no den a ɛwɔ 70°C, ne nitrik acid 30%) , organic solvents (te sɛ chlorinated hydrocarbons, benzene, philne, STHERE , STY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY ANGY srade a ɛwɔ 275 °C, ne nea ɛkeka ho); Wɔde di dwuma wɔ deep-well oil extraction mu, na ebetumi agyina adwumayɛ tebea a emu yɛ den a ɛwɔ 149 °C ne 420 mu no ano; Sɛ wɔde di dwuma wɔ steam seals a ɛyɛ hyew kɛse no mu a, wobetumi de adi dwuma wɔ steam medium no mu wɔ 160 ~ 170 °C bere tenten. In the production of monocrystalline silicon, commonly used fluoroelastomer seals to seal the high temperature (300 ℃) under the special media - trichlorohydrosilicon, silicon tetrachloride, gallium arsenide, phosphorus trichloride, trichloroethylene, and hydrochloric acid 120 ℃.
Wɔ vacuum dwumadie a ɛkorɔn mu no, sɛ wimhyɛn no sorokɔ yɛ 200 ~ 300km a, mframa no nhyɛsoɔ yɛ 133×10-6 PA (10-6mmHg), chloroprene rɔba, butyl rɔba, butyl rɔba a wɔde gu so; Sɛ wimhyɛn no sorokɔ boro 643km a, mframa nhyɛso no so bɛtew akɔ 133×10-7pa (10-7mmHg) a edidi so yi, fluoroelastomers nkutoo na wobetumi de adi dwuma wɔ saa vacuum a ɛkorɔn yi mu. Mpɛn pii no wɔ vacuum a ɛkorɔn anaasɛ ultra-high vacuum device nhyehyɛe ansa na wɔde adi dwuma, hia sɛ wɔfa ɔhyew a ɛkorɔn baking ayaresa, 26-type, 246-type fluoroelastomer betumi agyina ɔhyew a ɛkorɔn a ɛyɛ 200 °C ~ 250 ℃ °C, enti ɛbɛyɛ nea ɛho hia sen biara rɔba nneɛma.
Hose a wɔde fluoroelastomer ayɛ no fata ma ɔhyew a ɛkɔ soro, ngo ne nsɛm ho amanneɛbɔ mmere titiriw, te sɛ wimhyɛn mu ngo ngo, hydraulic oil, ester ngo a ɛyɛ abien a ɛyɛ ester, mframa a ɛyɛ hyew a ɛyɛ hyew a ɛkɔ soro, nsɛm a ɛnyɛ hyew a ɛnyɛ hyew ne nsɛm foforo a ɛyɛ soronko (te sɛ chlorinated hydrocarbons ne chlorides afoforo) a ɛfa akwantu ho, akwankyerɛ ne nea ɛkeka ho. Wɔde fluoroelastomer waya ne cable flexing pa, ne insulation pa na ɛyɛe. Glass fiber tape a wɔde fluoroelastomer ayɛ no betumi agyina ɔhyew a ɛkɔ soro a ɛyɛ 300°C ne nnuru a ɛyɛ mmerɛw no ano. Aramid ntama a wɔde fluoroelastomer adura ho, wobetumi ayɛ wɔ petrochemical afifide, ɔhyew a ɛkorɔn, acid ne alkali class tanks ntam nkitahodi ntrɛwmu tube (abien nyinaa betumi abɔ mu ne dade flange), betumi agyina nhyɛso kɛse, ɔhyew a ɛkorɔn ne medium corrosion, ne deformation abien tanks ntrɛwmu ne contraction akyi shock- absorbing dwumadi. Nylon ntama a wɔde fluorine rɔba ayɛ a wɔde teapɔn a wɔde hyɛ mu a wɔde hyɛ mu, sɛ ade a wɔde yɛ nneɛma a wɔde siesie ɔdan atifi a ɛsensɛn nsu mu a wɔde nsɔano a ɛyɛ mmerɛw ayɛ mu no, di dwuma wɔ nsɔano mu, brɛ ngo no ani a ɛyera no a ɛyɛ hyew no ase.
Type 23, tetrapropyl fluorine rɔba no yɛ nea wɔde di dwuma titiriw sɛ nnuru soronko a wɔde siw acid ano, a ɛyɛ mmerɛw sɛ ɛbɛhyɛ mu. Wɔde hydroxy nitrosofluoroelastomer di dwuma titiriw sɛ nneɛma a ɛbɔ ho ban ne nneɛma a wɔde siw ano, a ɛyɛ ano aduru sɛ ade a ɛnyɛ hyew, a wɔde di dwuma wɔ ɛlɛtrɔnik nneɛma a ogya ntumi nhyew ne afã horow a ɛyɛ adwuma wɔ oxygen a ɛho tew mu. Ne solution ne liquid rɔba betumi apete, casting ne akwan foforo a wɔfa so yɛ nneɛma pii, te sɛ cosmic ntade, nsateaa, pipe bands, balls ne nea ɛkeka ho. Wobetumi nso de adi dwuma sɛ ahwehwɛ, dade, 'ɔbarima ne ɔbea nna, ntama a wɔde kyekyere nneɛma ho, sponge a wɔyɛ ne rɔke a wɔde tu (N2O4) gaskets, 'o' ring, capsule nsɔano ahorow nyinaa ne nea ɛkeka ho.
Nsɔano a wɔde G-type fluoroelastomer series ayɛ no wɔ adwumayɛ a ɛfa ɔhyew a ɛkɔ soro a ɛko tia nsuonwini, methanol pɛtro anaasɛ hydrocarbon pɛtro a ɛyɛ huam a ɛkɔ soro a wontumi nnya denam Vitona, B, E ne fluoroelastomers afoforo a wɔde di dwuma so; GLT-type fluoroelastomers, phosphorus chlorinated rɔba, perfluoroether rɔba, ne nea ɛkeka ho, wɔ ɔhyew a ɛtrɛw a wɔde yɛ adwuma, ɔhyew a ɛba fam a ɛyɛ mmerɛw, elasticity a wɔde hyɛ mu, ne nea ɛkeka ho. Perfluoroether rɔba nso wɔ nsɛm ho amanneɛbɔ a ɛda nsow a ɛyɛ corrosion a wɔde di dwuma kɛse wɔ asraafo adwuma mu mfiridwuma a ɛyɛ nwonwa no mu.