Rabha yefluorine (FKM) i thermosetting elastomer, nepo polytetrafluoroethylene (PTFE) iri thermoplastic. Zvese zvinhu zvine fluorinated, zvakakomberedzwa nemaatomu e fluorine nemaatomu ekabhoni, izvo zvinoita kuti zvisave nemakemikari zvakanyanya. Muchinyorwa chino, mhinduro yeTRP polymer inoenzanisa zvinhu zviviri zviri pakati peFKM nePTFEkuti uone kuti ndeipi fluorine yekupedzisira uye kusarudza yekupedzisiraMugadziri wepaipi yePTFE
Mabhenefiti erabha reFKM nePTFE
Kwakatangira:
FKM: Ndege panguva yeHondo Yenyika II dzakatambudzwa nekubuda kwezvisimbiso zve nitrile, izvo zvaisaita tembiricha yakaderera inodiwa pakushandiswa kwakasiyana-siyana. Kusashanda kwemakemikari kwezvisungo zve fluorocarbon zvinoreva kuti ma fluorinated elastomers, kana kuti fluoroelastomers, ipfungwa yechisikigo. Saka rabha yeFKM yakatanga kutengeswa muna 1948.
PTFE: Muna 1938, musayendisiti weDuPont, Roy Plancott, akawana polytetrafluoroethylene netsaona. Plunkett akaedza mafiriji ndokuachengeta mumasilinda. Akashamisika kuti magasi aya akabatana, achisiya chinhu chichena chine wakisi, chisingasanganisike nechero chinhu chemakemikari uye chinogona kutsungirira kupisa kwakanyanya. DuPont yakanyoresa mhando yekutanga yePTFE materials-ptfe muna 1945.
Mutongo: Kugadzirwa kwePTFE kwakaitika panguva imwe chete, izvo zvakaita kuti pave nechinhu chinoshamisa. Zvisinei, chinhu chinoshamisa zvakafanana, rabha yeFKM, chaive chakakosha mumakore ehondo. Nekuda kweizvi, mupiro wekare weFKM fluoroelastomer unoreva kuti zviri nani zvishoma mumakwikwi aya.
Zvivakwa:
Rabha yeFKM: Rabha yeFKM ine mabhondi akasimba ecarbon-fluorine, zvichiita kuti irambe iine makemikari akawanda, inodzivirira kupisa uye inodzivirira oxidation. FKM ine huwandu hwakasiyana hwemabhondi ecarbon-hydrogen (kubatana nekupisa kusina simba uye kuramba makemikari), asi ichiri kuramba makemikari zvakanyanya kupfuura mamwe ma elastomers mazhinji.
PTFE: Polytetrafluoroethylene inoumbwa necheni yemaatomu ekabhoni, ine maatomu maviri efluorine paatomu yega yega ekabhoni. Aya maatomu efluorine anotenderedza cheni yekabhoni kuti aumbe molekyuru yakakora ine chisungo chakasimba chekabhoni-fluorine uye chimiro chepolymer, zvichiita kuti PTFE isashande kumakemikari mazhinji.
Mutongo: Zvichibva pamakemikari azvo chete, PTFE haina mabhondi ecarbon-hydrogen, izvo zvinoita kuti ive isina makemikari kupfuura FKM (kunyange zvazvo FKM ichiri kuramba makemikari zvakanyanya). Nekuda kweizvi, PTFE ingori mumvuri weFKM muchikamu chino.
Zvakanakira:
FKM:
Tembiricha yakakura (-45°C-204°C)
Kudzivirira makemikari kwakanaka kwazvo
Kuwanda kwakanyanya, magadzirirwo akanaka
Hunhu hwakanaka hwemakanika
Inogona kugadzirwa here kuti ibvise kuputika, CIP, SIP?
PTFE:
Kudzivirira kupisa kwakafara (-30°C kusvika +200°C)
Kusashanda kwemakemikari
Kudzivirira kwemagetsi kwakanaka kwazvo
Inotonhora zvikuru uye inodzivirira kupisa
Hainamati, haipindi mvura
Chiyero chekukweshana ndicho chidiki pane zvese zvakasimba
Mutongo: Hazvigoneki kuvaparadzanisa denderedzwa rino. FKM inopa kudzivirira kupisa kwakanyanya, asi haisviki pakushanda kwePTFE maererano nekudzivisa makemikari. Uye PTFE haidziviri kupisa zvakanyanya, asi inopa nzira dzakawanda dzekusava neglue.
Zvakashata:
FKM:
Ichazvimba here mu solvent ine fluorine?
Haikwanise kushandiswa nesimbi dzakanyungudutswa kana dzine gasi
Mutengo wakakwira kupfuura mamwe ma fluorocarbons asiri ma fluorocarbons
Kusarudza FKM isiriyo yeapplication kunogona kukonzera kukundikana nekukurumidza
Magiredhi ekupisa akaderera anogona kudhura
PTFE:
Simba rakaderera uye kuomarara
Haikwanise kunyungudutswa
Kusasimba kwemwaranzi
Kuomarara kweHigh Shore kunoita kuti PTFE iome kuvhara
Mhete dzePtfe o dzine mwero wekubuda kwemvura wakakwira kupfuura dzimwe elastomers
Kusasimba kunoita kuti zvisakwanisike kuisa zvisimbiso zvakawanda
Mutongo: Kazhinji, rabha yeFKM yakahwina makwikwi aya nekuda kwesimba rayo guru, kuchinjika kwayo uye kugona kwayo kuvhara. Ehe, kana pasina chimwe chinhu kunze kwechisimbiso chisina makemikari chakakwana, saka PTFE isarudzo yakanaka. Zvisinei, FKM inopa kuchinjika kwakawanda muzvinhu zvese!
Mashandisirwo:
FKM:
Mota
Kugadziriswa kwemakemikari
Oiri negesi
Michina inorema
Muchadenga
Vamwe vakawanda
PTFE:
Midziyo yekugadzirisa makemikari
Mavharuvhu
Kutakurwa kwemakemikari
Madhiragiramu epombi
Mutongo: Ihondo inouraya! FKM ine mhando dzakasiyana dzemashandisirwo, uye inogona kushandiswa kune mamwe mashandisirwo akaomarara. Zvisinei, pasinei nekusakwana kwayo, zvinhu zvePTFE zvinopa mhinduro yekupedzisira kune mashandisirwo akaomarara anosanganisira kumanikidzwa kwakanyanya, tembiricha uye makemikari anoparadza.
Mutengo:
Rabha yeFKM chigadzirwa chepamusoro-soro nekuda kwekugadzirwa kwayo kwemakemikari uye kuramba kwayo makemikari. Kana usingafungi nezvehunhu hwemakemikari uye kuramba kupisa, unogona kusarudza elastomer yakachipa.
PTFE: Zvinhu zvePTFE chigadzirwa chemhando yepamusoro. Saizvozvowo, kana tembiricha, kumanikidzwa, uye makemikari anoparadza anoshandiswa pakushandisa kwako asingapfuure mamiriro akanyanya kuipa, saka dzimwe nzira dzakachipa dzinogona kudiwa. Kuti uwane kushanda kwakanakisa kwekuvhara, PTFE inosungirirwa kumucheto we elastomer kuti ipe kudzivirira kudzvanywa.
Mutongo: Zvese FKM nePTFE zvigadzirwa zvemhando yepamusoro nezvikonzero zvakanaka. Zvese izvi zvine hunhu hwakakosha, izvo zvinotsanangura mutengo wekuzvigadzira. Zvisinei, unofanira kuyeuka kuti pakushandisa kwakanyanya, zvese zvinopa zvinhu zvakakosha. Muchiitiko ichi, unowana zvaunobhadhara, uye dzimwe nzira dzakachipa dzinowanzo kundikana nekukurumidza. Izvi pakupedzisira hupfumi husina kunaka.
Mhedzisiro: Kazhinji, kuchinjika kweFKM kunoipa mukana mune iyi mhando yekufungidzira. Pakupedzisira, zvese izvi zvinhu zvine fluorine zvinopa kudzivirira kwakakosha kwemakemikari uye kudzivirira tembiricha. Zvisinei, sepurasitiki, PTFE yakasimba kupfuura FKM; zvichiita kuti ive yakakodzera chete kushandiswa kwakanyanya kwekuvhara uko makemikari ane simba rakawanda uye anoparadza ndiwo anonyanya kukoshesa. Kushanda kwakakura kweFKM sechinhu chekuvhara, zvakanaka, kwakasimbisa kukunda kwayo!
Tinovimba kuti kuenzanisa uku kweFKM rabha nePTFE kuchakupa kunzwisisa kuri nani kwehunhu hwakasiyana hwechinhu chimwe nechimwe. Zvinofanira kusimbiswa kuti nzira yakanakisa yekusarudza chinhu chakakodzera kushandisa kwako ndeyekutaura nenyanzvi inogona kukuudza mhando dzakasiyana dzezvinhu uye kuenderana nemhinduro yakakodzera yekushandisa kwako.
Zviri pamusoro apa ndezvekutanga kweFKM nePTFE zvine chekuita nezviri mukati, ndinovimba chinyorwa chino chinogona kukubatsira, isu tinobva kuChina nyanzvi.Vatengesi vepaipi yePTFE, welcome to consult our products and please freely contact us at sales 07@zx-ptfe.com
Kutsvaga kwakabatana ne ptfe hose:
Nguva yekutumira: Kubvumbi-16-2021