Theipi ea PTFE e nang le mocheso o phahameng e sebelisoang ho lithipa tse koalang mocheso le likhoele tsa ho tiisa li fana ka litekanyetso tse 'nè tsa motheo: e thibela ho khomarela polasetiki e qhibilihisitsoeng (e felisa nako ea ho theoha), e sireletsa ho koala ho theko e boima, ho etsa homogenizes mocheso / khatello ea litiiso tse tsitsitseng, le ho fokotsa khohlano ea filimi. Fiberglass-backed tape (0.13-0.25 mm) e nang le silicone PSA (≥260 ° C) e khothalletsoa. Theipi e ntšo ea anti-static bakeng sa mela ea lebelo le holimo.

Thepa ea sekhomaretsi ea mouoane oa metsi ea PTFE e lekantsoe haholo-holo ke likoli (micropores, microcracks, fiber wicking) ho fapana le PTFE's intrinsic hydrophobicity. Filimi e hloekileng ea PTFE e fana ka WVTR e mahareng feela. Ho roala ka mefuta e mengata le li-filler tsa lamellar (mica, li-flakes tsa khalase) li etsa hore ho be le phello ea labyrinth, ho fokotsa haholo phetisetso ea mouoane. Bakeng sa ho tiisa mongobo o phahameng, totobatsa litlolo tse densified.

Creep resistance ea PTFE high-themperature sekhomareta tepi tlas'a nako e telele e sa khaotseng mojaro (haholo-holo ho 200-260 ° C) e khethoa ke lintlha tse peli: silicone PSA crosslink density (high crosslinking thibela phallo) le substrate mofuta (fiberglass-reinforced PTFE e hanyetsa serame creep; hloekileng PTFE filimi creeps). Sekhomaretsi se sa kopanngoeng se hloleha ka potlako mochesong o phahameng. Likhomaretsi tse teteaneng li eketsa kotsi ea ho ruruha.

Bakeng sa theipi e phahameng ea mocheso oa PTFE e sebelisoang lits'ebetsong tsa likhohlano tsa abrasive sliding, standard non-stick le mocheso o hanyetsang ha o lekana. Lintlha tsa bohlokoa tsa khetho: Taber abrasion tahlehelo (<15 mg/1000 cycles), e tlatsitsoeng PTFE coating (carbon/graphite/MoS₂), PV limit data, substrate strength (≥200 N/cm), le mating surface roughness (Ra 0.2-0.4 μm). Tšireletso e nepahetseng ea moeli le tlamahano e feletseng ke tsa bohlokoa bakeng sa bophelo bo bolelele.

PTFE substrate e hanela ho fafatsa letsoai ka tlhaho (ho monya metsi <0.01%). Leha ho le joalo, ts'ebetso ea theipi ka kakaretso e itšetlehile ka mofuta oa sekhomaretsi: silicone PSA e mamella maemo a leoatle (liteko tsa 500-1000h letsoai la spray,> 80% ho boloka lekhapetla); acrylic PSA e hloleha. Phekolo e nepahetseng ea holim'a metsi, kopo e se nang li-bubble, le ho tiisoa ka bohale ka silicone sealant ke tsa bohlokoa bakeng sa ho tšepahala ha nako e telele liforomong le likepeng tse lebōpong la leoatle.

Theipi ea fiberglass ea PTFE e hloka litifikeiti tse tharo tsa bohlokoa tsa polokeho: UL (polokeho ea motlakase le lelakabe), FDA (ho latela melao ea lijo), le ISO 9001:2015 (taolo ea boleng). Litheipi tse netefalitsoeng li fana ka ts'ebetso e ts'oanang, bophelo bo bolelele ba ts'ebeletso, le litšenyehelo tse tlase tsa beng ho sa tsotelehe litšenyehelo tse holimo tsa pele. Kamehla netefatsa litifikeiti ka kotloloho le mekhatlo e fanang ka thepa.

Theipi ea mocheso o phahameng oa PTFE e sebelisoa likarolong tse tharo tsa ts'ebeliso ea bongaka: ts'ireletso ea thepa ea ho thibela likokoana-hloko (literei tsa autoclave, pakete ea mocheso), phekolo ea holim'a lisebelisoa (sekontiri se tlaase, motlakase), le lisebelisoa tse kenngoeng (li-vascular grafts, sutures). Biocompatibility e netefatsoa ka ISO 10993, mme FDA 21 CFR 177.1550 e theha polokeho ea thepa ea motheo.

Bakeng sa litheipi tse phahameng tsa mocheso oa PTFE tlas'a ho qoelisoa ka nako e telele, PTFE substrate e lula e sa sebetse ka lik'hemik'hale, empa lera la sekhomaretsi ke ntlha e fokolang. Metsi a fokolisa silicone PSA; metsi a letsoai a potlakisa ho bola. Bakeng sa lik'hemik'hale tse mabifi, li-adhesives tsa fluorosilicone kapa perfluoropolyether - kapa tepi ea PTFE e sa khomarelang - lia hlokahala. Ho lahleheloa ke matla ho fihla ho 40% ka mor'a lihora tse 48 ka metsing.

Theipi ea mocheso o phahameng oa PTFE e sebelisoang lits'ebetsong tsa ho kopana le lijo e tlameha ho lula ka har'a meeli ea mocheso e hlalositsoeng: ≤260 ° C bakeng sa tšebeliso e tsoelang pele, ≤300 ° C bakeng sa litlhōrō tse khutšoanyane (metsotso), 'me ha ho mohla e ka holimo ho 327 ° C (ho bola). Melao ea FDA le EU ha e hlalose moeli oa nako o akaretsang - nako e sireletsehileng ea ho ikopanya e itšetlehile ka mocheso 'me e tlameha ho netefatsoa ka liteko tsa ho falla tse etsisang maemo a sebele.

Ho khetha tepi e nepahetseng ea mocheso o phahameng oa PTFE bakeng sa bethe e chesang ea khatiso ea 3D ho hloka ho lebisa tlhokomelo ho matšoao a mane a bohlokoa: ho hanyetsa mocheso (ho fihlela ho 260 ° C +), substrate e matlafalitsoeng ka fiberglass (0.18mm e loketseng), sekhomaretsi sa silicone se nang le sekhomaretsi se se nang thupa, le bophara bo nepahetseng / mamello. Tataiso ena e u thusa ho qoba ho khopama, ho sesa le ho hloleha ho hatisa.