Izinto ezenzelwe wena NBR/EPDM/FKM/SIL Irabha O-Ringi
Iinkcukacha
I-O-ring yi-gasket ene-O-section ukukhusela ukuvuza kwamanzi kunye nothuli.Sinika uluhlu olubanzi lwezinto zerabha, ezifanelekileyo kuzo zonke iimeko zokusetyenziswa.
I-O-ring yi-O-shaped (circular) gasket enecandelo elinqamlezayo elizinze kwi-groove kwaye licinezelwe ngokufanelekileyo ukuthintela ukuvuza kwamanzi ahlukeneyo afana neoli, amanzi, umoya kunye negesi.
Ukusebenzisa izinto zerabha ezenziweyo ezifanelekileyo kwizicelo ezahlukeneyo, sibonelela ngee-O-rings ezinokumelana ixesha elide lenkonzo kwiimeko ezinzima.
Iindidi ezi-4 zezinto eziqhelekileyo ze-O-ring
NBR
I-Nitrile Rubber ilungiswe yi-copolymerization ye-acrylonitrile kunye ne-butadiene.Umxholo we-acrylonitrile usuka kwi-18% ukuya kwi-50%.Ukuphakama komxholo we-acrylonitrile, ngcono ukuxhathisa kwi-oyile ye-hydrocarbon ye-fuel, kodwa ukusebenza kweqondo lokushisa eliphantsi libi kakhulu, uluhlu lobushushu bokusetyenziswa ngokubanzi luyi -40 ~ 120 ℃.I-Butanol yenye yerabha esetyenziswa ngokuqhelekileyo kwii-oyile ze-oyile kunye ne-O-rings.
Izinto eziluncedo:
· Ukumelana kakuhle ne-oyile, amanzi, isinyibilikisi kunye ne-oyile yoxinzelelo oluphezulu.
· Ukuphambuka okuhle koxinzelelo, ukuxhathisa ukunxiba kunye nobude.
Izinto ezingeloncedo:
· Ayizifanelanga izinyibilikisi zepolar ezifana neeketones, i-ozone, i-nitro hydrocarbons, i-MEK kunye neklorofomu.· Isetyenziselwa ukwenza itanki yamafutha, i-oyile yokuthambisa i-oyile kunye neengxenye zerubha, ngokukodwa iindawo zokutywina, ezisetyenziselwa i-oyile ye-petroleum hydraulic, i-petroli, amanzi, i-silicon grease, ioli ye-silicon, i-diester lubricating oil, i-ethylene glycol hydraulic oil kunye nezinye i-media media.Yeyona isetyenziswa kakhulu kwaye inexabiso eliphantsi lerabha itywina.
FKM
Irabha yeCarbon yeFluoro Naziphi na iindidi ngeendidi ngokuxhomekeke kumxholo wefluorine (isakhiwo se-monomer) yeemolekyuli zefluorine.Ukumelana nobushushu obuphezulu bungcono kunerabha ye-silicone, inokumelana neekhemikhali ezigqwesileyo, ukuchasana neoli eninzi kunye ne-solvent (ngaphandle kwe-ketone, i-ester), ukuchasana kwemozulu kunye nokuchasana kwe-ozone;Ukumelana nokubanda kubi, ukusetyenziswa ngokubanzi komgangatho wobushushu -20 ~ 250 ℃.Ifomula ekhethekileyo inokumelana nobushushu obuphantsi ukuya kuthi ga kwi -40 ℃.Izinto eziluncedo:
· Ukumelana nobushushu ukuya kuma-250 ℃
· Ukumelana nee-oyile ezininzi kunye nezinyibilikisi, ngakumbi zonke ii-asidi, i-aliphatic, ivumba elimnandi kunye ne-oyile yezilwanyana kunye nemifuno.
Izinto ezingeloncedo:
· Akukhuthazwa ii-ketones, ii-esters zobunzima obuphantsi bemolekyuli kunye nemixube equlethe i-nitrate.· Iimoto, oololiwe, iinjini zedizili kunye neenkqubo zamafutha.
I-SIL
Itsheyini ephambili yeRubber yeSilicone yenziwe ngesilicon (-si-O-Si) edityaniswe kunye.Ukumelana nobushushu obugqwesileyo, ukumelana nokubanda, ukuxhathisa kwe-ozone, ukumelana nokuguga emoyeni.Ukusebenza kakuhle kokufakelwa kombane.Amandla okuqina erabha eqhelekileyo ahlwempuzekile kwaye akanako ukumelana neoli.Izinto eziluncedo:
Amandla okuqina ukuya kuthi ga kwi-1500PSI kunye nokumelana nokukrazula ukuya kuthi ga kwi-88LBS emva kokwenziwa.
· I-elasticity elungileyo kunye nokuphazamiseka okuhle koxinzelelo
· Ukumelana kakuhle nezinyibilikisi ezingathathi hlangothi
· Ukumelana nobushushu obugqwesileyo
· Ukumelana nokubanda okugqwesileyo
· Ukumelana okugqwesileyo kukhukuliseko lwe-ozone kunye ne-oxide
Ukusebenza okugqwesileyo kokufakelwa kombane
· Ubushushu obugqwesileyo bobushushu kunye nokuchithwa kobushushu
Izinto ezingeloncedo:
· Ayikhuthazwa ukuba isetyenziswe kuninzi lwezinyibilikisi ezigxininisiweyo, i-oyile, i-acids egxininisiweyo kunye ne-diluted sodium hydroxide.• Izitywini okanye iindawo zerabha ezisetyenziswa kushishino lwezixhobo zekhaya, ezifana neePOTS zombane, ii-ayini, iinxalenye zerabha kwii-oveni zemicrowave.
· Iitywina okanye iinxalenye zerabha kushishino lwe-elektroniki, ezifana nezitshixo zefowuni ephathwayo, izinto zokufunxa ukothuka kwiDVD, izitywina kwiintambo zentambo, njl.
· Iitywina kuzo zonke iindidi zamanqaku anxibelelene nomzimba womntu, njengeebhotile zamanzi, imithombo yokusela, njl.
Epdm
Irabha ye-ethylene (i-PPO) i-copolymerized ukusuka kwi-Ethylene kunye ne-propylene kwikhonkco eliphambili kwaye inokumelana nokushisa okukhulu, ukumelana nokuguga, ukuxhathisa kwe-ozone kunye nokuzinza, kodwa ayinakongezwa isulfure.Ukusombulula le ngxaki, inani elincinci lecandelo lesithathu kunye nekhonkco eliphindwe kabini lingeniswa kwikhonkco eliphambili le-EP, elinokuthi lenziwe ngokufaka isulfure kwi-EPDM.Uluhlu lobushushu ngokubanzi -50 ~ 150 ℃.Ukuchasana okugqwesileyo kwi-solvents ye-polar efana notywala, i-ketone, i-glycol kunye ne-phosphate lipid hydraulic fluids.
Izinto eziluncedo:
· Ukumelana nemozulu elungileyo kunye nokumelana ne-ozone
· Ukumelana kwamanzi okugqwesileyo kunye nokuxhathisa iikhemikhali
· Utywala neeketones zingasetyenziswa
· Ukumelana nobushushu obuphezulu bomphunga, ukunganyameki kakuhle kwirhasi
Izinto ezingeloncedo:
· Akukhuthazwa ukuba kusetyenziswe ukutya okanye ukuba sesichengeni kwihydrogen enevumba elimnandi.• Izitywina zokusingqongileyo komphunga wamanzi wobushushu obuphezulu.
· Izitywini okanye iinxalenye zezixhobo zokuhlambela.
· Amalungu erabha kwisixokelelwano seziqhoboshi (i-braking).
• Izitywina kwiiradiyetha (iitanki zamanzi emoto).