Labala ya fluorine ndi mtundu wa rabala wopangira wokhala ndi maatomu a fluorine. Ili ndi kukana kwambiri kutentha, kukana kwa okosijeni, kukana mafuta komanso kukana mankhwala. Amagwiritsidwa ntchito kwambiri m'madipatimenti oyendetsa ndege, makampani opanga mankhwala, mafuta, magalimoto ndi madipatimenti ena ogulitsa mafakitale monga zinthu zosindikizira, zamkati zosagwira ntchito komanso zotetezera. Rabara yopangidwa yokhala ndi maatomu a fluorine mu kapangidwe kake ka maselo.
Nthawi zambiri amawonetsedwa ndi kuchuluka kwa maatomu a fluorine a mayunitsi okhala ndi fluorine mu copolymer. Mwachitsanzo, fluororubber 23 ndi copolymer wa vinylidene fluoride ndi chlorotrifluoroethylene. Fluororubber imagonjetsedwa ndi kutentha kwakukulu, mafuta ndi dzimbiri la mankhwala.
Ubwino wa fluororubber:
1. Zabwino kwambiri kutentha kukana: kutentha kwa utumiki kumayambira - 60 ℃ mpaka 250 ℃. Kukana mafuta abwino kwambiri: kukana kutentha kwamafuta amafuta, mafuta opaka sulfure okhala ndi sulfure, ma hydraulic mafuta, mafuta a diester, silicate ester ndi mafuta ena abwino kuposa ma rubber ena.
3. Kukana kwabwino kwa sing'anga zowononga zowononga komanso zotsekemera zamphamvu; Kukhazikika kwake muzambiri zowononga zowononga monga fuming nitric acid, sulfuric acid, hydrochloric acid, hydrogen peroxide ndi moyikira zamchere ndizabwino kuposa ma rubber ena.
4. Zinthu zabwino zamakina, kutsekemera kwamagetsi ndi kukana kwa radiation.
5. Kukana kwabwino kwa vacuum yayikulu.
Kuchuluka kwa fluororubber:
1. Pamene mphira wa fluorine umakhudzidwa ndi chinyezi ndi madzi kapena kutentha kumakwera, kusintha kumakhala kochepa. Ngakhale silicon dioxide yomwe imapangidwa ndi kuyaka kwafupipafupi ikadali insulator, imatsimikizira kuti zipangizo zamagetsi zikupitirizabe kugwira ntchito, choncho ndizoyenera kupanga mawaya, zingwe ndi mawaya otsogolera.
2. Fluoroplastic chubu angagwiritsidwe ntchito potumiza ndi kusindikiza zosiyanasiyana amphamvu asidi ndi alkali, nthunzi, mpweya wotentha, mafuta otentha ndi madzi ena. Itha kugwiritsidwanso ntchito pazida zam'nyumba, zowunikira ndi zida zamankhwala; 3. Kuthamanga kogwira ntchito kwa chubu cha fluororubber (0.5-3.0 MPa) chikhoza kutetezedwa ndi chivundikiro chazitsulo zolumikizana ndi zitsulo zosapanga dzimbiri.
4. Fluoroplastic strip imagwiritsidwanso ntchito ngati jekete lawaya m'malo ovuta kugwira ntchito.;
5. Fluororubber ili ndi kutentha kwambiri komanso kukana dzimbiri, ndipo ili ndi mbiri ya mfumu ya rabala. Iwo akhoza kukonzedwa mu chubu labala, tepi zomatira, filimu, gasket, (chimango) mafuta chisindikizo, "O" mphete, "V" mphete, etc., amene chimagwiritsidwa ntchito mu ndege, galimoto, mafuta, makampani mankhwala, telecommunication, chida ndi madera ena.
Monga tonse tikudziwa, valavu iliyonse iyenera kugwiritsa ntchito zipangizo zosiyana zosindikizira, monga ethylene propylene rabara (EPDM), rabara ya nitrile (NBR), polytetrafluoroethylene (PTFE), fluororubber (Viton), rabara ya silicone (SEP), kutentha ndi kuvala mphira wosamva EPDM, cemented carbide, alloy steel.
Nthawi yotumiza: Mar-31-2022