Lesela la PTFE le nang le mocheso o phahameng oa mocheso (PTFE-coated fiberglass) le na le khanyetso e fokolang hobane fiberglass substrate ka tlhaho e brittle. Masela a masesaane (0.08mm) a pholoha mameno a makholo ho isa ho a likete; limaraka tse boima (> 0.25mm) petsoha ka mor'a tse ngata. Molumo oa Satin o feta ho loha ka mokhoa o hlakileng. Bakeng sa ho kobeha ho sa khaotseng, nahana ka filimi e tiileng ea PTFE kapa lesela le thehiloeng ho aramid.

Lesela la PTFE le nang le mocheso o phahameng oa mocheso (PTFE-coated fiberglass) le sebelisoa haholo bakeng sa khatiso ea masela le ho daea bakeng sa mabanta a khatiso a fetisa mocheso (180-230 ° C), likoahelo tsa tafole ea khatiso ea skrine, mabanta a marang-rang a omisang, mabanta a mochine o kopanyang, le ho phuthela ka rolara. Sebaka sa eona se se nang thupa se thibela masala a enke / sekhomaretsi, ho fokotsa nako ea ho hloekisa le ho ntlafatsa boleng ba lesela. Mabanta a sa feleng a se nang moeli a nolofalletsa tlhahiso e tsoelang pele.

PTFE high-themperature lesela (PTFE-coated fiberglass) ke premium filter media bakeng sa maemo a feteletseng: flue gase lerōle ho tlosoa (samente, litšila tse chesoang, liboiler tsa mashala tse fihlang ho 260 ° C), filtration ea mokelikeli o senyang (acids, alkalis, oli), lijo / meriana sterile filtration, le lisebelisoa tse hloekileng tsa HEPA. Sebaka se se nang lithupa se thibela lerōle ho phunya 'me se lumella ho hloekisa habonolo. Membrane-laminated grade fumana tlhahiso e tlase haholo.

PTFE lesela la mocheso o phahameng oa mocheso le boloka motlakase o babatsehang ho tloha ho -180°C ho ea ho 260°C: resistivity ea molumo >10¹³ Ω·cm ho 200°C, dielectric kamehla e tsitsitse ho 2.0-2.1. Ka holimo ho 260°C, PTFE ea nolofatsa, e bola ka holimo ho 327°C, e lahleheloa ke ho intša ka ho sa feleng. Ka tlase ho 0 ° C, ho hloekisoa hoa ntlafala empa ho roala ho fetoha ho senyeha. Lula ka har'a 260 ° C bakeng sa ts'ebetso e tšepahalang.

PTFE lesela la mocheso o phahameng oa mocheso (PTFE-coated fiberglass) le loketse bakeng sa mabanta a tsamaisang lijo ka lebaka la ho hanyetsa mocheso oa 260 ° C, -70 ° C ho fetoha ha maemo a batang, sebaka se sa thupeng, le ho lumellana le FDA. Lisebelisoa tsa bohlokoa: lionto tsa ho baka (libiskiti, bohobe, pitsa), lijana tsa lijo tse halikiloeng, lipompong tsa lipompong, lithanele tse hatsetsang, lintho tse koalang mocheso le lirolara. E fokotsa litšila le nako ea ho hloekisa.

Boima ba lesela la fiberglass bo lekanya hore PTFE e sebetsa ka mocheso o phahameng oa mocheso. Boima bo phahameng bo eketsa matla a tsitsipano le boreleli bo holim'a metsi empa bo fokotsa matla a ho taboha (inverted U-curve), ho tenyetseha, le ho kenella ka hare. Tekano e nepahetseng e leka-lekanya ho kenella, ho hanyetsa meokho, ho tenyetseha le ho fella ka holimo. Boima bo tlase bo lumellana le ho kobeha ho matla; boima bo boholo bakeng sa ho se thunye le ho kenya letsoho.

Calendering - ho hatella lesela le koahetsoeng ke PTFE pakeng tsa lirolara tsa seipone tse futhumetseng ka 360-380 ° C - ho fetola ka mokhoa o makatsang sebopeho sa bokaholimo, thepa ea ho lokolla, ho se khonehe, le ts'ebetso ea mochini. E fokotsa boima ho tloha ho Ra 0.5-1.0 μm ho <0.05 μm, e tiisa li-pinholes, e ntlafatsa ho hanyetsa ho apara, empa e fokotsa matla a ho taboha le ho feto-fetoha ha maemo. E bohlokoa bakeng sa li-liner tse lokollang le ho kenya motlakase.

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 ya ho se thure, ho se mamelle, le ho hanyetsa dikhemikhale ho fihla ho 260°C. Lesela la silicone le fana ka maemo a holimo, 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.