Fiye da shekaru sittin Polytetrafluoroethylene (PTFE, alamar suna: Tarflen, polymer, Fluon) an san shi kuma an gane shi don ƙayyadaddun kaddarorin sa.Ana amfani da shi sosai a duk sassan masana'antu, ciki har da samar da sassauƙahosesna daban-daban yi da kuma aikace-aikace.
Abubuwan musamman na PTFE:
- Kyakkyawan juriya na sinadarai.Ba ya narke ko kumbura a cikin kowane sanannun kaushi.Yana da juriya ga acid mai ƙarfi da tushe.Kadan ne kawai, abubuwa da ba kasafai (fluorine, tafasasshen alkali karafa, oxygen bifluoride, chlorine trifluoride) na iya shafar PTFE.- Fadi kewayon thermal juriya.PTFE ya kasance m ko da a zazzabi na ruwa helium (-269 ° C) .Crystalline narkewa batu na PTFE ne +327 ° C, kuma a +415 ° C bazuwar PTFE faruwa.Yawan zafin jiki na aiki don hoses da aka yi da PTFE yawanci jeri daga -70 ° C har zuwa + 260 ° C dangane da ƙirar bututu (matsi da ma'aunin injin na PTFE sun fara raguwa lokacin da zafin jiki ya tashi sama da +130 ° C) - Juriya ga tsufa. da yanayin yanayi.PTFE shine hydrophobic, gaba ɗaya mai jure wa ozone, oxygen, haske da UV radiation.Samfurori da aka fallasa shekaru da yawa zuwa yanayin yanayi daban-daban ba su nuna wani canje-canje ga kaddarorin PTFE ba.- PTFE yana da ƙarancin ƙima na gogayya (daga 0.02 zuwa 0.2) da ƙarancin ƙimar makamashin saman.Saboda haka hoses da aka yi da PTFE suna da kaddarorin tsaftacewa (abubuwa ba su tsaya ga ganuwar tiyo ba) don haka canja wuri yana da tsabta sosai.
Sauran kayan kama da PTFE
Ana iya kera hoses ba kawai daga PTFE ba har ma daga PTFE copolymers.Yawancin lokaci suna nuna babban sinadari da juriya na thermal amma sauran kaddarorin sun ɗan bambanta idan aka kwatanta da PTFE (mafi kyawun juriya na inji, ingantattun halaye):
- FEP (polymer FEP, DuPont), - PFA, MFA (polymer PFA, DuPont), - ETFE (Tefzel, DuPont), - ECTFE (Halar).
Samar da da gina PTFE hoses
Saboda babban danko ko da a yanayin zafi kusa da bazuwar thermal (+415°C),Farashin PTFEana kera su ta hanyar fitar da sinadarin mai (man paraffin) da foda na PTFE.
Nau'in ginin tiyo na PTFE:
- Santsi da corrugated hoses ba tare da ƙwanƙwasa ba.Ana amfani dashi don aikace-aikacen ƙananan matsa lamba.Translucent, bangon PTFE yana ba da damar kulawar gani na gudana.- M hoses tare da guda ɗaya ko biyu na waje na waje wanda aka yi da bakin karfe.Ana amfani da shi sosai don kusan dukkanin kafofin watsa labarai: sunadarai, gas, tururi, mai, mai, mai, mai, fenti, adhesives, kayan abinci a duk sassan masana'antu.Haɗuwa da matsananciyar matsananciyar aiki na hoses (har zuwa kusa da 400 mashaya) da PTFE na musamman Properties sakamakon a cikin duniya da kuma irreplaceable bayani ga 'yan masana'antu fasahar.- Corrugated hoses tare da waje braids sanya daga bakin karfe ko daban-daban kayan.Wani lokaci ana ƙarfafa shi da helix ɗin waya na karfe tsakanin PTFE da ƙwanƙwasa na waje.Kerarre a daban-daban gina zažužžukan tare da ƙananan aiki matsa lamba amma mafi girma sassauci fiye da santsi bore hoses.- Smooth turɓaya hoses tare da extruded PTFE liner tare da yadi braid, karfe waya helix ƙarfafa da wani waje Layer sanya daga roba.Dukkan yadudduka an ɓarna kuma an haɗa su ta dindindin tare da Layer na ciki na PTFE - kamar a cikin madaidaicin bututun roba.Ana amfani da shi musamman a masana'antar sinadarai.
Lokacin aikawa: Juni-02-2018