Pakuti PTFE mkulu-kutentha tepi ntchito abrasive kutsetsereka mikangano ntchito, muyezo sanali ndodo ndi kutentha kukana ndizosakwanira. Zosankha zofunika kwambiri: Taber abrasion loss (<15 mg/1000 cycles), yodzaza PTFE yosinthidwa (carbon/graphite/MoS₂), PV limit data, substrate strength (≥200 N/cm), ndi mating pamwamba roughness (Ra 0.2-0.4 μm). Chitetezo chokwanira m'mphepete ndi mgwirizano wonse ndizofunikira kuti mukhale ndi moyo wautali.

Zopangira zomalizitsa pamwamba zomwe zimagwiritsidwa ntchito pansalu ya fiberglass pamaso pa PTFE zokutira ndizofunikira kwambiri kuti PTFE igwire ntchito ya nsalu yotentha kwambiri. Organosilane coupling agents amapanga milatho ya mamolekyulu pakati pa organic glass fiber ndi organic PTFE, kukulitsa mphamvu ya peel kuchokera pa <2 N/cm mpaka 4-8+ N/cm. Kuchiza koyenera kumathandizanso kukana kutentha (260 ° C+), magwiridwe antchito a dielectric, komanso kukana mankhwala. Nsalu yosasamalidwa imadzetsa delamination, kuphulika, ndi moyo waufupi wautumiki.

Kachulukidwe kakachulukidwe ka magalasi a fiberglass kumatsimikizira kuti PTFE imakhala yotentha kwambiri. Kuchulukirachulukira kumawonjezera kulimba kwamphamvu komanso kusalala kwa pamwamba koma kumachepetsa mphamvu yong'ambika (kupindika kwa U-curve), kusinthasintha, ndi kulowa mkati mwa zokutira. Kachulukidwe mulingo woyenera kulowa, kukana misozi, kusinthasintha, ndi kumaliza pamwamba. Kachulukidwe kakang'ono kamagwirizana ndi kupindika kwamphamvu; kachulukidwe kakang'ono kosamata ndi kutsekereza.

Gawo laling'ono la PTFE ndilosamva kupopera kwa mchere (mayamwidwe amadzi <0.01%). Komabe, ntchito ya tepi yonse imadalira mtundu womatira: silikoni PSA imalimbana ndi malo am'madzi (500-1000h mayeso opopera mchere,> 80% kusunga peel); acrylic PSA amalephera. Kusamalira bwino pamtunda, kugwiritsa ntchito zopanda thovu, ndi kusindikiza m'mphepete ndi silicone sealant ndizofunikira kuti mukhale odalirika kwa nthawi yayitali pamapulatifomu ndi zombo zapanyanja.

Calendering – kukanikiza PTFE- TACHIMATA nsalu pakati pa chotenthetsera kalirole rollers pa 360-380 ° C - amasintha mochititsa chidwi morphology pamwamba, kumasula katundu, impermeability, ndi makina ntchito. Amachepetsa roughness kuchokera ku Ra 0.5-1.0 μm kufika ku <0.05 μm, amasindikiza ma pinholes, amathandizira kukana kuvala, koma amachepetsa mphamvu ya misozi ndi kusinthasintha. Zofunikira pakutulutsa ma liner ndi kutchinjiriza kwamagetsi.

Fiberglass weave pattern - plain, twill, kapena satin - imakhudza kwambiri PTFE katundu wa nsalu yotentha kwambiri. Satin weave imapereka mphamvu zong'ambika kwambiri (2-3x plain) komanso kusinthasintha, koyenera kupindika mwamphamvu. Plain weave imapereka kukhazikika kwapamwamba kwambiri komanso kumamatira kwa peel, koyenera kugwiritsa ntchito static. Twill imalinganiza zinthu zonse kuti zigwiritsidwe ntchito.

PTFE fiberglass tepi imafuna ziphaso zitatu zazikulu zachitetezo: UL (chitetezo chamagetsi ndi lawi lamoto), FDA (kutsata kukhudzana ndi chakudya), ndi ISO 9001:2015 (kasamalidwe kabwino). Matepi ovomerezeka amapereka magwiridwe antchito nthawi zonse, moyo wautali wautumiki, komanso kutsika mtengo kwa umwini ngakhale mtengo wake ukukwera. Nthawi zonse muzitsimikizira ziphaso mwachindunji ndi mabungwe omwe akupereka.

PTFE conveyor malamba (Teflon malamba) amawongolera mizere yopangira chakudya kudzera m'maubwino anayi ofunikira: magwiridwe antchito apamwamba (amachepetsa zinyalala ndi kumamatira), kulekerera kutentha kwakukulu (-100 ° C mpaka 260 ° C kumathandizira kuphika kuzizira), kuyeretsa kosavuta ndi kukana kwa bakiteriya (kupanda porous, FDA kutsata, kugwiritsa ntchito mphamvu kwanthawi yayitali), komanso kugwiritsa ntchito mphamvu kwanthawi yayitali. Zoyenera kuphika, zakudya zozizira, chokoleti, ndi zomata.

Tepi ya PTFE yotentha kwambiri imagwiritsidwa ntchito pamigawo itatu yamankhwala: chitetezo cha zida zotsekereza (mathirelo a autoclave, zotsekera zotsekera kutentha), chithandizo chapamwamba cha zida (zotchingira zotsika kwambiri, zotchingira magetsi), ndi zida zotsekera (mitsempha ya mitsempha, zolumikizira). Biocompatibility imatsimikiziridwa kudzera mu ISO 10993, ndipo FDA 21 CFR 177.1550 imakhazikitsa chitetezo chazinthu zoyambira.

❖ kuyanika yunifolomu wa PTFE mkulu kutentha nsalu anatsimikiza ndi zinthu zinayi: ❖ kuyanika chiphunzitso (tinthu kukula 0.15-0.35 μm, mamasukidwe akayendedwe, okhutira olimba), ❖ kuyanika & sintering ndondomeko (tsamba ❖ kuyanika ankakonda kufanana), gawo lapansi khalidwe (yokhotakhota chitsanzo, chisanadze mankhwala), ndi kupanga chilengedwe (20-25% R <60]). Dip + blade kuphatikiza njira yolowera ndi kusalala kwa pamwamba.