Kuti aletse mafuta odzola kuti asatuluke ndi zinthu zakunja kuti asalowemo, chivundikiro cha annular chopangidwa ndi chimodzi kapena zingapo chimamangidwira mphete imodzi kapena chochapira cha bere ndikulumikizana ndi mphete kapena washer wina, ndikupanga kusiyana kochepa komwe kumadziwika kuti labyrinth. Mphete zamphira zokhala ndi gawo lozungulira lozungulira zimapanga mphete yosindikiza. Imadziwika kuti mphete yosindikizira yooneka ngati O chifukwa cha gawo lake lofanana ndi O.

1. Mphete yosindikiza ya NBR nitrile

Madzi, mafuta, mafuta a silikoni, mafuta a silikoni, mafuta opaka mafuta opangidwa ndi diester, mafuta a hydraulic opangidwa ndi petroleum, ndi zina zonse zitha kugwiritsidwa ntchito nazo. Pakali pano, ndiyo chisindikizo chotsika mtengo komanso chomwe chimagwiritsidwa ntchito kwambiri. Osavomerezeka kuti agwiritsidwe ntchito ndi zosungunulira za polar monga chloroform, nitrohydrocarbons, ketoni, ozoni, ndi MEK. Kutentha koyenera kwa ntchito ndi -40 mpaka 120 ° C.

2. HNBR hydrogenated nitrile rabara yosindikiza mphete

Ili ndi kukana bwino kwa ozoni, kuwala kwa dzuwa, ndi nyengo, ndipo imalimbana kwambiri ndi dzimbiri, kung'ambika, ndi kupindika. Kukhazikika kwakukulu poyerekeza ndi mphira wa nitrile. Zoyenera kuyeretsa injini zamagalimoto ndi zida zina. Sikulangizidwa kugwiritsa ntchito izi ndi mankhwala onunkhira, ma alcohols, kapena esters. Kutentha koyenera kwa ntchito ndi -40 mpaka 150 ° C.

3. mphete yosindikizira ya mphira ya silikoni ya SIL

Kukana kwabwino kwambiri kwa kutentha, kuzizira, ozoni, ndi ukalamba wa mumlengalenga zimagwidwa nazo. ali ndi ma insulating abwino kwambiri. Sichilimbana ndi mafuta, ndipo mphamvu yake yokhazikika imakhala yochepa kuposa ya rabara wamba. Zoyenera kugwiritsidwa ntchito ndi chotenthetsera madzi chamagetsi, ma iron amagetsi, uvuni wa microwave, ndi zida zina zapakhomo. Ndikoyeneranso pazinthu zosiyanasiyana, akasupe akumwa ndi ma ketulo, omwe amakhudzana ndi khungu la munthu. Sitikulimbikitsidwa kugwiritsa ntchito sodium hydroxide, mafuta, concentrated acids, kapena zosungunulira zambiri. Kutentha kwa ntchito wamba ndi -55 ~ 250 °C.

4. VITON fluorine kusindikiza mphete

Nyengo yake yapadera, ozoni, ndi kukana kwa mankhwala zimayenderana ndi kukana kwake kutentha kwambiri; komabe, kukana kwake kozizira kumakhala kochepa. Mafuta ambiri ndi zosungunulira, makamaka ma acid, aliphatic ndi zonunkhira za hydrocarbons, komanso masamba ndi mafuta anyama, samakhudza. Zoyenera pamakina amafuta, malo amakhemikolo, ndi zofunikira zosindikizira injini ya dizilo. Kugwiritsa ntchito ndi ma ketoni, esters otsika kwambiri a maselo, ndi zosakaniza zomwe zili ndi nitrates sizikulangizidwa. -20 mpaka 250 ° C ndi momwe kutentha kumagwirira ntchito.

5. FLS fluorosilicone mphira kusindikiza mphete

Kuchita kwake kumaphatikiza zabwino za silicone ndi mphira wa fluorine. Imalimbananso kwambiri ndi zosungunulira, mafuta amafuta, kutentha kwambiri komanso kutsika, komanso mafuta. amatha kupirira kukokoloka kwa mankhwala kuphatikizapo mpweya, zosungunulira zomwe zimakhala ndi ma hydrocarbon onunkhira, ndi zosungunulira zomwe zimakhala ndi chlorine. -50 ~ 200 ° C ndi mmene ntchito kutentha osiyanasiyana.

6. EPDM EPDM mphete yosindikiza mphira

Imalimbana ndi madzi, imalimbana ndi mankhwala, imalimbana ndi ozoni, komanso imalimbana ndi nyengo. Zimagwira bwino ntchito zosindikiza zomwe zimaphatikizapo ma alcohols ndi ketoni komanso nthunzi yamadzi yotentha kwambiri. Kutentha koyenera kwa ntchito ndi -55 mpaka 150 ° C.

7. CR neoprene kusindikiza mphete

Imapirira makamaka nyengo ndi kuwala kwa dzuwa. Imagonjetsedwa ndi ma asidi osungunuka ndi mafuta opangira mafuta a silicone, ndipo siwopa mafiriji monga dichlorodifluoromethane ndi ammonia. Kumbali inayi, imakula kwambiri mumafuta amchere okhala ndi mfundo zochepa za aniline. Kutentha kochepa kumapangitsa crystallization ndi kuumitsa kukhala kosavuta. Ndikoyenera pamitundu yosiyanasiyana ya mlengalenga, dzuwa, ndi ozoni komanso maulalo osiyanasiyana osindikiza osagwira ntchito ndi malawi. Kugwiritsa ntchito ndi asidi amphamvu, nitrohydrocarbons, esters, ketone compounds, ndi chloroform sikulangizidwa. Kutentha koyenera kwa ntchito ndi -55 mpaka 120 ° C.

8. IIR butyl yosindikiza mphete ya rabara

Zimagwira ntchito bwino makamaka pakulimba kwa mpweya, kukana kutentha, kukana kwa UV, kukana kwa ozoni, ndi kutsekereza; Kuonjezera apo, imatha kupirira kukhudzana ndi zinthu zomwe zimapangidwira ndi oxidizable ndi nyama ndi mafuta a masamba ndipo imatsutsa bwino zosungunulira za polar kuphatikizapo mowa, ketoni, ndi esters. Zokwanira pa vacuum kapena zida zolimbana ndi mankhwala. Sikulangizidwa kuti mugwiritse ntchito palafini, ma hydrocarbon onunkhira, kapena zosungunulira zamafuta. -50 mpaka 110 ° C ndiye momwe kutentha kumagwirira ntchito.

9. ACM acrylic mphira kusindikiza mphete

Kukana kwake kwanyengo, kukana kwamafuta, komanso kupsinjika kwapang'onopang'ono zonse ndizotsika pang'ono, komabe mphamvu zake zamakina, kukana madzi, komanso kukana kutentha kwambiri ndizabwino kwambiri. Nthawi zambiri amapezeka mumayendedwe amagetsi ndi ma gearbox amagalimoto. Osavomerezeka kugwiritsidwa ntchito ndi brake fluid, madzi otentha, kapena phosphate esters. Kutentha koyenera kwa ntchito ndi -25 mpaka 170 ° C.

10. Mphete yosindikiza mphira yachilengedwe ya NR

Zida za mphira zimakhala zolimba polimbana ndi kung'ambika, kutalika, kutha, komanso kulimba. Komabe, imakalamba msanga mumlengalenga, imamatira ikatenthedwa, imakula mosavuta, imasungunuka mumafuta amchere kapena petulo, ndipo imalimbana ndi asidi wofatsa koma osati alkali wamphamvu. Zoyenera kugwiritsidwa ntchito muzamadzimadzi okhala ndi ma hydroxyl ions, ethanol yotere ndi brake fluid. -20 mpaka 100 °C ndi momwe kutentha kumagwirira ntchito.

11. PU polyurethane mphira kusindikiza mphete

mphira wa polyurethane ali ndi mawonekedwe abwino amakina; imaposa ma rubber ena ponena za kukana kuvala ndi kukana kuthamanga kwambiri. Kukana kwake kukalamba, ozoni, ndi mafuta nakonso kulinso kwabwino kwambiri; koma, pa kutentha kwambiri, ndi atengeke hydrolysis. Amagwiritsidwa ntchito posindikiza zolumikizira zomwe zimatha kupirira kuvala komanso kuthamanga kwambiri. Kutentha koyenera kwa ntchito ndi -45 mpaka 90 ° C.