I-PTFE, i-FEP kunye ne-PFA zezona fluoroplastics zidumileyo nezidumileyo. Kodwa yintoni kanye kanye umahluko wazo? Fumanisa ukuba kutheni iifluoropolymers zizinto ezikhethekileyo kangaka, kwaye zeziphi iifluoroplastic ezifanelekileyo kakhulu kwisicelo sakho.
Iimpawu ezikhethekileyo ze-fluoroplastics
Ii-Fluoropolymers zineempawu ezahlukeneyo ezenza zifaneleke ukusetyenziswa kwezonyango, iimoto, umbane kunye nokusetyenziswa kwekhaya, phakathi kwezinye.
Ii-fluoroplastics zineempawu ezilandelayo:
1. Amaqondo obushushu aphezulu kakhulu okusebenza
2. Uphawu olunganamatheliyo
3.Umphezulu wokungqubana okuphantsi
4. Ukumelana okuphezulu kakhulu kwiikhemikhali kunye nezinyibilikisi
5. Ukumelana nombane okuphezulu kakhulu
Ii-fluoroplastics ezahlukeneyo zinomahluko omncinci, kuquka amaqondo obushushu ahlukeneyo okusebenza, kwaye zifanelekile kwiindlela ezahlukeneyo zokusetyenziswa. Ukuba zikhethwe ngokuchanekileyo, ii-fluoropolymers zinokubonelela ngexabiso elihle kunye neenzuzo zokusebenza.
Iingenelo ze-PTFE
I-PTFE, okanye iPolytetrafluoroethylene, nguyisemkhulu wazo zonke ii-fluoroplastics. Ifunyenwe yingcali yesayensi uRoy J. Plunkett ngo-1938, i-PTFE yeyona fluoropolymer ingaqhelekanga kwaye ibonisa ukusebenza okungcono kakhulu ngokubhekiselele kubushushu, ukumelana neekhemikhali kunye neempawu ezinganamatheliyo.
Ukongeza ekonwabeleni iipropati ezikhethekileyo ze-fluoroplastics, i-PTFE yahlula ngokuba neenzuzo ezilandelayo:
1. Ixabiso elihle: umlinganiselo wokusebenza
2. Ubushushu obusebenzayo obuqhubekayo obuyi +260°C - Eli lelona qondo lobushushu liphezulu lokusebenza kuyo nayiphi na i-fluoroplastic
3. Ukumelana phantse nazo zonke iikhemikhali
4. Ayinamatheli kakhulu (nokuba yi-gecko ingatyibilika kwi-PTFE)
5. Umbala okhanyayo
Eyona ngxaki iphambili ye-PTFE kukuba ayinyibiliki xa ishushu kwaye ngenxa yoko kunzima ukuyicubungula. Kufuneka iindlela ezingaqhelekanga kakhulu zokubumba, ukukhupha kunye nokushisela le fluoropolymer.
Ngenxa yeempawu zayo ezikhethekileyo, i-PTFE ifanelekile ukusetyenziswa kwi-insulation yombane kunye nokukhuselwa kwezinto ze-elektroniki.
Singumvelisi ochwephesha weumbhobho we-ptfe, Ukuba unemibuzo, ungaqhagamshelana nathi!
Iingenelo ze-FEP
I-FEP, okanye i-Fluoroethylenepropylene, yinguqulelo ye-PTFE enyibilikayo. I-FEP ineempawu ezifanayo kakhulu ne-PTFE, kodwa inobushushu obuphantsi bokusebenza obuyi-+200°C. Nangona kunjalo, i-FEP inokucutshungulwa lula kwaye inokudityaniswa ngokulula kwaye ibunjwe kwakhona kwiiprofayili ezintsonkothileyo.
Ngaphandle kokuba ineempawu ezikhethekileyo ze-fluoroplastics, i-FEP inazo ezi zibonelelo:
1. Amandla okuwelda kunye nokuphinda ubumbe
2. Amaqondo obushushu okusebenza aphakathi kwe -200°C ukuya kwi +200°C - I-FEP ihlala iguquguquka kumaqondo obushushu aguquguqukayo
3. Ukumelana okupheleleyo kwiikhemikhali kunye ne-UV
4. Iyahambelana neBio
5. Umbala ocacileyo
Ngenxa yezi zibonelelo, i-FEP heat shrink inobushushu obuphantsi bokuncitshiswa kwaye ingancitshiswa ngokukhuselekileyo phezu kwezinto ezinobushushu obuphantsi ngaphandle koloyiko lokuba yingozi. Ngenxa yoko, i-FEP ifanelekile ekugqumeni izixhobo zombane ezinobuthathaka kunye nezixhobo.
Iingenelo ze-PFA
I-PFA, okanye iPerfluoralkoxy, yinguqulelo yobushushu obuphezulu be-FEP. I-PFA ineempawu ezifanayo ne-FEP kodwa ingasetyenziswa kumaqondo obushushu asebenzayo ukuya kuthi ga kwi-+260°C ngelixa ihlala inyibilika, ngenxa ye-melt viscosity ephantsi kune-PTFE.
Ukongeza ekonwabeleni iipropati ezikhethekileyo ze-fluoropolymers, i-PFA yahlula ngokuba neenzuzo ezilandelayo:
Ubushushu bokusebenza obuqhubekayo obuyi +260°C - Eli lelona qondo lobushushu liphezulu lokusebenza kuyo nayiphi na i-fluoroplastic
1. Ukuwelda kunye nokuphinda ubumbe amandla
2. Ukumelana nokuvuleka okuhle
3. Ukumelana neekhemikhali okugqwesileyo, nokuba kubushushu obuphezulu
4. Iyahambelana neBio
5. Amanqanaba aphezulu okucoceka afumaneka
6. Umbala ocacileyo
Eyona ngxaki iphambili ye-PFA kukuba ibiza kakhulu kune-PTFE kunye ne-FEP.
I-PFA ifanelekile kwiizicelo ezifuna umgangatho ophezulu wobunyulu, ukumelana neekhemikhali okugqwesileyo kunye nobushushu obuphezulu bokusebenza. Le fluoroplastic isetyenziswa kakhulu kwiityhubhu zonyango, kwii-heat exchangers, kwiibhasikithi ze-semi-conductor, kwiimpompo kunye nezixhobo, nakwii-valve liners.
Apha aphaI-BesteflonSiziingcali ekunikezeni izisombululo ezintsha ze-fluoropolymer kwizicelo zakho zobugcisa. Fumana okungakumbi malunga ne-Iimveliso zeFluoroplastic.
Ixesha lokuthumela: Novemba-30-2023