Ho roala ho tšoana ha lesela la PTFE mocheso o phahameng ho khethoa ke lintlha tse 'nè: sebopeho sa ho roala (saese ea boholo ba 0.15-0.35 μm, viscosity, dikahare tse tiileng), mokhoa oa ho roala le oa sintering (ho roala ka lehare ho khethoa bakeng sa ho lumellana), boleng ba substrate (paterone ea weave, pele ho phekolo), le tikoloho ea tlhahiso (20-25% R <60%). Dip + blade e kopantseng ts'ebetso e leka-lekanya ho kenella le ho boreleli holim'a metsi.

Ho hloekisa le tlhokomelo e nepahetseng ho lelefatsa bophelo ba lesela la mocheso o phahameng oa PTFE. Hloekisa ka mor'a ho sebelisoa le ka mor'a ho pholile. Sebelisa borashe bo bonolo, li-detergents tse sa jeleng paate, kapa joala bakeng sa litšila. Le ka mohla u se ke ua sebelisa li-acid tse matla/alkalis, bleach, kapa metal scrapers. Ho tlotsa oli ea silicone khafetsa ho fokotsa ho roala. Latela litataiso tsena ho thibela tšenyo ea lira.

PTFE lesela la mocheso o phahameng oa mocheso le lesela la silicone ka bobeli li sebelisa lesela la fiberglass e le motheo empa li fapane ka thepa ea ho roala (PTFE resin vs silicone rabara). PTFE e ipabola tabeng ea ho se thunye, ho se mamelle, le ho hanyetsa lik'hemik'hale ho fihla ho 260°C. Lesela la silicone le fana ka mokhoa o phahameng oa ho tenyetseha, ho kenya motlakase, le ho hanyetsa mollo (ho fihlela ho 230 ° C). Khetha ho latela lintho tse tlang pele bophelong ba hau.

PTFE lesela la mocheso o phahameng oa mocheso (PTFE membrane material) ke khetho ea pele bakeng sa meralo e tsitsitseng. Melemo ea bohlokoa: lilemo tse 30+ tsa bophelo ba kantle, sebaka sa ho itlhoekisa (metsi a pula a hlatsoa litšila), phetiso ea mabone a bonolo (6-13%), boemo ba mollo oa Sehlopha sa A, le matla a kang tšepe a ka tlase ho 1.5 kg/m². E sebelisoa mabaleng a lipapali, boema-fofane le meaho e ikhethang lefatšeng ka bophara.

Lesela la PTFE la mocheso o phahameng le fana ka khanyetso e ikhethang ea lik'hemik'hale, le mamella li-acid tse matla, alkalis, solvents organic, le likhase tse senyang. Sengoliloeng sena se qaqisa lintho tsa sona tse hanyetsanang, mefokolo (metaele ea alkali e qhibilihisitsoeng, lisebelisoa tse matla tsa fluorinating), le lintlha tsa bohlokoa joalo ka mocheso, khatello ea maikutlo le khatello ea maikutlo.

PTFE impregnation ha e felle feela ho fiberglass lesela. Sengoliloeng sena se hlahisa li-substrates tse 7 tse ling - aramid, carbon fiber, PBI, porous metal, graphite, asbestos (phased out), le li-filler tsa ceramic - ka likarolo tsa bona tsa ts'ebetso, melemo, mefokolo, le lits'ebetso tsa bohlokoa.

Lesela le phefumolohang haholo la PTFE le nang le mocheso o phahameng oa mocheso le kopanya lisebelisoa tse se nang thupa, botsitso ba mocheso, le ho kenella ha moea. Sengoliloeng sena se hlahloba lits'ebetso tsa sona tsa bohlokoa ho omiseng masela, ho lokisa lijo, ho etsa lihlahisoa tse kopaneng, lisebelisoa tsa elektroniki, phepelo ea moea, ts'ireletso ea tikoloho le thepa ea kaho.

Sengoliloeng sena se hlalosa hore na ke hobane'ng ha lesela la fiberglass e se nang alkali e le eona substrate e ratoang bakeng sa lesela la mocheso o phahameng oa PTFE. E akaretsa maqhama a lik'hemik'hale ka li-silane coupling agents le thepa ea bohlokoa ea 'mele joalo ka botsitso ba mocheso, botsitso ba sebopeho, le ho hanyetsa kutu - ho netefatsa ts'ebetso e tšoarellang halelele libakeng tse thata.

Mokhoa oa ho Khetha Lesela le Nepahetseng la PTFE la Meralo ea Meralo Polytetrafluoroethylene layer e ntle haholo ho boloka lintho li bolokehile,

Tataiso ea ho Khetha Lesela le Nepahetseng la PTFE le Koaheletsoeng ka Lesela la Mocheso o Phahameng oa ho TiisaHo khetha lesela le letle ka ho fetisisa la PTFE le koahetsoeng ka fiberglass bakeng sa ho koala mesebetsi ka mocheso o phahameng, o hloka ho ela hloko likarolo tsa eona tsa bohlokoa tsa ts'ebetso, litlhoko tsa khoebo ea hau, le lisebelisoa tsa mofani oa thepa. Lebasetere le khethehileng