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Nsalu ya PTFE yotentha kwambiri (PTFE-yokutidwa ndi fiberglass) ndi yabwino ngati zida zomwe zimagwiritsidwa ntchito popanga. Ngakhale PTFE mwachibadwa ndi mkulu-ntchito polima, zonyansa pa mlingo wa maselo akhoza kwambiri kuwononga katundu wake.
'kuyera kwa zinthu zopangira' apa kukutanthauza zinthu ziwiri: ukhondo wa PTFE zopangira (zoyambira zotsalira, zowonjezera, ma polima olemera kwambiri, ayoni achitsulo) ndi ukhondo wa fiberglass yomalizitsa (kukula, mafuta odzola, zowononga kuchokera ku kuwomba).
Aokai PTFE amasankha zida zapamwamba zokha. Nkhaniyi ikufotokoza momwe zonyansa zimakhudzira miyeso isanu ndi umodzi yofunikira: kukana kutentha, zinthu zopanda ndodo, kutsekemera kwamagetsi, mphamvu zamakina, mawonekedwe, ndi chitetezo chamankhwala.
Kukana kutentha ndi chizindikiro chachikulu cha nsalu yotentha kwambiri.
Zoyambira zotsalira, ma polima otsika kwambiri, ndi zinthu zoyeretsedwa mosakwanira zimawonetsa kutentha kotsika kwambiri kuposa PTFE yoyera. Pansi pa kutentha kwakukulu kwa nthawi yayitali (monga 260 ° C), zonyansazi zimawola ndikukhala mpweya poyamba, kutulutsa mpweya umene umatulutsa thovu, mapini, matuza, ndi delamination mkati mwa zokutira.
Acidic kapena zamchere byproducts ku zonyansa zovunda akhoza zina catalyze ndi cleavage wa PTFE maselo backbones, kutsitsa kwenikweni kutentha kukana mlingo wa nsalu ndi kwambiri kufupikitsa moyo wake utumiki. Zida zoyera kwambiri zokha ndizomwe zimapangitsa kuti pakhale ntchito yokhazikika kwa nthawi yayitali mkati mwa 260 ° C mpaka 300 ° C.
Deta ya mayeso a Aokai PTFE: Nsalu ya PTFE yopangidwa kuchokera ku emulsion wamba yowoneka bwino imawonetsa chikasu pambuyo pa maola 100 pa 260 ° C. Nsalu yopangidwa kuchokera ku emulsion yoyera kwambiri imakhalabe yosasinthika pambuyo pa maola 500 pa kutentha komweko.
Kusagwira ndodo ndiye gawo lalikulu la ntchito ya nsalu ya PTFE yotentha kwambiri.
Makhalidwe osakhala ndi ndodo a PTFE amachokera ku mphamvu zake zotsika kwambiri. Ngati tinthu tating'onoting'ono, zonyansa zosasungunuka za utomoni, kapena zodetsa zamafuta zilipo muzopangira, zimayikidwa mkati kapena mkati mwa zokutira pambuyo pa sintering, ndikupanga mphamvu zofananira padziko lapansi ndikupanga mfundo zomatira..
Zogwirira ntchito monga zomatira ndi zopangira chakudya zimakonda kumamatira kuyambira pazigawo za nangula ndipo pamapeto pake zimapanga madera akuluakulu omangika panthawi yogwira ntchito. Kuyeretsedwa kwazinthu zapamwamba kumapereka zokutira zofananira komanso zowuma komanso zotulutsa bwino komanso zotsutsana ndi ndodo.
Kuyera ndi chinthu chofunikira kwambiri pansalu yotentha kwambiri yomwe imagwiritsidwa ntchito ngati mphasa zamagetsi.
Zodetsa za Ionic kuphatikiza ma ayoni achitsulo, mchere, ndi zotsalira zotsalira zimagwira ntchito ngati zonyamulira, kukulitsa kwambiri dielectric mosalekeza ndi kutaya chinthu pomwe kumachepetsa kukana mphamvu. Izi zimachepetsa mphamvu ya insulation.
Zowononga zowononga monga zitsulo zachitsulo ndi mawanga opangidwa ndi kaboni zimayang'ana kwambiri m'magawo amagetsi ndikupangitsa kuti azitulutsa pang'ono, zomwe zimachepetsa kwambiri mphamvu yamagetsi. High-purity PTFE ndiyofunikira kuti ikhalebe yogwira ntchito bwino kwambiri pamayendedwe apamwamba komanso okwera kwambiri.
Hard zonyansa particles ndi unplasticized utomoni agglomerates kuswa kupitiriza kwa ❖ kuyanika. Pakupindika ndi kutambasula mobwerezabwereza, ming'alu imapanga ndikufalikira pamalo ofookawa, zomwe zimapangitsa kuti mphamvu zichepetse komanso kufupikitsa moyo wotsutsa.
Zotsalira zambiri zotsalira zimafooketsa mphamvu yolumikizana pakati pa PTFE ndi nsalu ya fiberglass, zomwe zimapangitsa kuti ma peel asakhale ndi mphamvu zokwanira. Zovala zopangidwa kuchokera ku PTFE zosungunuka bwino kwambiri zimakhala ndi mawonekedwe ophatikizika komanso kusinthasintha kwapadera, kupanga nsalu zolimba komanso zolimba zomwe zimatentha kwambiri.
Pure PTFE mwachilengedwe imakhala yoyera yamkaka komanso yowoneka bwino. Chikasu, chilema chofala kwambiri cha PTFE pansalu yotentha kwambiri, nthawi zambiri chimachokera ku zonyansa zochulukirapo muzopangira:
Dzimbiri lachitsulo ndi zowononga zitsulo
Zotsalira za organic
Zinthu zomwe zimakhala ndi carbonization pansi pa kutentha
Pokonza chakudya, zamankhwala, komanso zamagetsi zapamwamba zokhala ndi miyezo yaukhondo wokhazikika, kuyeretsedwa kwa zinthu zopangira kumayang'ana mwachindunji ngati zinthu zomalizidwa zitha kukhala zoyera zoyera ndikukwaniritsa zofunikira zosaipitsidwa.
PTFE yoyera imakana dzimbiri kuchokera pafupifupi mankhwala onse. Komabe, zonyansa zosungunuka mkati mwa zokutira zimatha kuwonongeka zikakumana ndi asidi amphamvu, ma alkalis amphamvu, kapena zosungunulira za organic, zomwe zimapangitsa kutupa ndi kulowa mkati.
Pokonza zakudya, kupanga mankhwala, ndi kugwiritsa ntchito semiconductor, amafufuza zonyansa (monga zotsalira za PFOA) muzinthu zosapanga dzimbiri zimakhala ndi chiopsezo chotulutsa zinthu . Zakudya zoyera kwambiri zokha komanso zopangira zamankhwala zomwe zimagwirizana ndi FDA, EU, ndi malamulo oyenera zimatsimikizira kugwiritsidwa ntchito kopanda poizoni ndi kotetezeka.
Kuyera kwazinthu zopangira kumayang'anira mwachindunji miyeso isanu yayikulu ya nsalu ya PTFE yotentha kwambiri:
Performance Dimension |
Zotsatira za Kuyera Kwambiri |
Zotsatira za Zidetso |
|---|---|---|
Kukana kutentha |
Wokhazikika 260 ° C + kwa nthawi yayitali |
Kuwonongeka koyambirira, matuza, chikasu |
Katundu wosamangira |
Uniform, kumasulidwa kolimba |
Adhesion nangula mfundo, patsogolo kukakamira |
Kutsekereza magetsi |
Kutsika kwa dielectric, kutsika kwakukulu kwamagetsi |
Kuwonongeka kwakukulu, kuchepa kwa kuwonongeka |
Mphamvu zamakina |
Zolimba, zosinthika, zosagwirizana ndi ming'alu |
Kupsinjika maganizo, kuthamanga msanga |
Maonekedwe & chitetezo |
Choyera choyera, chogwirizana ndi FDA |
Yellow, ngozi leaching |
Zowonongeka zomwe zimayambitsidwa ndi zodetsa zilizonse zimatsitsa nsalu za PTFE zogwira ntchito kwambiri kukhala nsalu wamba wamba.
Aokai PTFE imagwiritsa ntchito emulsion yoyera kwambiri ya PTFE ndi magawo oyeretsedwa bwino a fiberglass. Timapereka zolemba zoyera, kuphatikiza ziphaso zotsatiridwa ndi FDA ndi kusanthula kwachitsulo cholemera, tikapempha.
Zomwe zili pamwambapa zaukadaulo zimaperekedwa ndi Malingaliro a kampani Jiangsu Aokai New Materials Technology Co., Ltd.
Ngati mukufuna kudziwa mwatsatanetsatane, zochitika ntchito ndi mayankho makonda athu osiyanasiyana mankhwala, kuphatikizapo PTFE mkulu kutentha nsalu, PTFE mkulu-kutentha zomatira tepi, PTFE mkulu-kutentha mauna lamba, msokonezo kutentha atolankhani lamba, single-mbali PTFE nsalu, mkulu-kutentha zosagwira galasi, kukhudzana ndi kutentha kugonjetsedwa ndi galasi conveyorslt, chonde kukhudzana ndi chingwe CHIKWANGWANI conveyorslt:
Bambo Guo: +86 18944819998
Bambo Liu: + 86 13705266308
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