Rabara wopangidwa ndi wofunikira kwambiri popanga zinthu masiku ano. Mu 2023, idapanga pafupifupi 58% ya mphira onse omwe amagwiritsidwa ntchito padziko lapansi. Mitundu yodziwika bwino ya rabara yopangira ndi:

• Mpira wa Styrene-Butadiene (SBR)

• Mpira wa Polybutadiene (BR)

• Ethylene-Propylene-Diene Monomer (EPDM)

• Isobutylene-Isoprene Rubber (IIR)

• Mpira wa Polyisoprene (IR)

• Nitrile Rubber (NBR)

• Mpira wa Chloroprene (CR)

• Acrylic Rubber (ACM)

• Mpira wa Nitrile wa Hydrogenated (HNBR)

Zopangira mphira zimatchedwanso elastomers. Amapangidwa ndi anthu, osapezeka m'chilengedwe. Ma elastomer awa nthawi zambiri amakhala amphamvu komanso amakhala nthawi yayitali kuposa mphira wachilengedwe. Amagwiritsidwa ntchito m'mafakitale ambiri, monga kupanga magalimoto ndi zomangamanga. Kudziwa zamitundu yosiyanasiyana ya labala kumathandiza mainjiniya ndi ogwira ntchito kusankha yoyenera pa ntchito iliyonse. Gome ili m'munsiyi likuwonetsa kuchuluka kwa mphira wopangira omwe adagulitsidwa padziko lonse lapansi m'zaka zaposachedwa: Kukula

Kwamsika	Wamsika Wapadziko Lonse Wopanga (USD Biliyoni)
2023	~41.04
2024	38.90
2025	41.04 (kuyembekezeredwa)
2034	66.44 (zoneneratu)

Zofunika Kwambiri

• Rabara yopangidwa ndi anthu  imapangidwa ndi anthu. Amagwiritsidwa ntchito kwambiri m'matayala, zosindikizira, mapaipi, ndi zina zambiri. Imakhala nthawi yayitali kuposa mphira wachilengedwe. Itha kusinthidwanso kuti igwirizane ndi ntchito zosiyanasiyana.

• Pali mitundu yosiyanasiyana ya mphira wopangira . Mtundu uliwonse uli ndi mphamvu zake zapadera. SBR ndi yabwino kwa matayala. NBR imagwira ntchito bwino ndi mafuta. EPDM ndi yabwino kwambiri nyengo yoipa. Silicone imagwiritsidwa ntchito kutentha ndi mankhwala.

• Muyenera kusankha labala yoyenera pa ntchito iliyonse. Ganizirani zinthu monga kutentha, mankhwala, momwe zimakhalira, komanso ndalama zake.

• Mitundu yambiri yopangira mphira, monga Santoprene, imatha kugwiritsidwanso ntchito. Izi zimathandiza kuchepetsa zinyalala komanso kuti nthaka ikhale yoyera.

• Kudziwa zomwe mphira aliyense angachite kumathandiza mainjiniya ndi opanga. Akhoza kusankha yabwino kwambiri. Izi zimapangitsa kuti zinthu zikhale zolimba, zotetezeka komanso zokhalitsa.

Kodi Synthetic Rubber ndi chiyani?

Tanthauzo

Labala  wopangidwa ndi anthu, osapezeka m'chilengedwe. Zimagwira ntchito ngati mphira wachilengedwe. Zida zimenezi zimatchedwa elastomers chifukwa zimatha kutambasula ndi kubwerera ku mawonekedwe awo. Mafakitole amapanga ma elastomer pogwiritsa ntchito mankhwala amafuta. Rabara yopangidwa ndi yofanana ndi mphira wachilengedwe, koma imatha kusinthidwa kuti igwire ntchito zapadera.

Zindikirani: Pali mitundu yambiri ya mphira wopangira, monga labala la styrene-butadiene, labala la butyl, ndi rabala ya silikoni. Mtundu uliwonse ndi wamphamvu mwanjira yake ndipo umagwiritsidwa ntchito pazinthu zosiyanasiyana.

Makampani opanga mankhwala amati mphira wopangira ndi elastomer iliyonse yomwe imatha kutenthedwa ndipo imapangidwa pophatikiza mankhwala pamodzi. Gululi lili ndi mphira acrylate, butadiene-styrene copolymers, mphira wa nitrile-butadiene, ndi ena. Ma elastomer amenewa ndi ofunika popanga matayala, zosindikizira, mapaipi, ndi zina zambiri.

Kupanga

Kupanga mphira wopangira kumayamba ndi zinthu zopangidwa ndi mafuta. Mafakitole amagwiritsa ntchito zinthu monga naphtha, zomwe zimakhudzidwa ndi gasi wachilengedwe kupanga ma monomers. Monomers ndi zinthu monga butadiene, styrene, isoprene, chloroprene, acrylonitrile, ethylene ndi propylene. Polymerization ndi njira yomwe imagwirizanitsa ma monomers kuti apange unyolo wautali wotchedwa ma polima.

• Ma elastomer ambiri amakhala ndi msana wopangidwa ndi ma atomu a kaboni, koma mphira wa silikoni uli ndi msana wopangidwa ndi silicon ndi mpweya.

• Mpira wa silicone umachokera ku silicon, yomwe imapezeka mumchenga kapena quartz.

Zothandizira zosiyanasiyana ndi zosakaniza za monomer zimathandizira kuwongolera momwe ma elastomer amakhalira. Pambuyo polima, zinthuzo zimadutsa muvulcanization. Sitepe iyi imagwiritsa ntchito zinthu monga sulfure kuti mphira ukhale wolimba komanso wolimba. Kusintha kapangidwe ka mankhwala kumapangitsa kuti mafakitale azipanga ma elastomer kuti azigwiritsidwa ntchito mwapadera.

Mitundu ya Mpira Wopanga

Styrene-Butadiene (SBR)

Rabara ya styrene-butadiene imagwiritsidwa ntchito kwambiri padziko lonse lapansi. Mafakitole amapanga izi posakaniza makamaka butadiene ndi styrene. Kusakaniza kumeneku kumapanga zinthu zomwe zimakhala zolimba komanso zopindika. SBR siwonongeka mosavuta ndipo imamatira bwino kuchitsulo. Imagwira ntchito m'malo ozizira kwambiri komanso otentha kwambiri, kuyambira -60ºF mpaka +225ºF. SBR imagwiritsidwa ntchito kwambiri popanga matayala, omwe amagwiritsa ntchito ma SBR ambiri opangidwa. Zimapezekanso m’malamba, mapaipi, mawaya, zitsulo za nsapato, ndi m’zopaka zakudya. SBR siyokwera mtengo ndipo imagwira ntchito bwino pantchito zambiri. Anthu nthawi zambiri amasakaniza SBR ndi mphira wachilengedwe kuti matayala akhale bwino.

Zindikirani: SBR imasakanizidwa ndi mphira wachilengedwe kuti matayala azikhala nthawi yayitali.

Butadiene Rubber (BR)

Rabara ya Butadiene ndi mtundu winanso wofunikira wa mphira wopangira. Ndiwopepuka kwambiri ndipo imatha kutambasula kwambiri. BR siching'ambika mosavuta ndipo imakhala nthawi yayitali. Zimagwira ntchito nthawi yotentha komanso yozizira. BR imagwiritsidwa ntchito mu matayala, gaskets, seals, ndi nsapato. Amapezekanso m'malamba onyamula katundu, zida zamasewera, ndi zinthu zamankhwala.

Nitrile Rubber (NBR)

Mpira wa Nitrile umatchedwanso Buna-N. Amapangidwa kuchokera ku acrylonitrile ndi butadiene. NBR ndi yabwino kwambiri kukana mafuta, mafuta, ndi mankhwala. Amagwiritsidwa ntchito popanga zisindikizo, gaskets, ndi mapaipi m'magalimoto ndi ndege. NBR imagwiritsidwanso ntchito mu zida zamafuta ndi gasi komanso magolovesi azachipatala. Zimagwira ntchito bwino m'ma injini ndi mafuta chifukwa sizikuwonongeka mu mafuta. NBR ndi yamphamvu ndipo imakhala nthawi yayitali m'malo ovuta.

Ethylene Propylene Diene (EPDM)

EPDM ndi rabara yopangidwa yomwe imayimira dzuwa, mvula, ndi ozoni. Imakhala yopindika nyengo yotentha komanso yozizira. EPDM siwonongeka ndi madzi kapena mankhwala ambiri. Ndizotsika mtengo ndipo zitha kubwezeretsedwanso. EPDM imagwiritsidwa ntchito pazitseko zamagalimoto, mapaipi, madenga, ndi makina a mpweya. Ndibwino kusankha zinthu zomwe zimagwiritsidwa ntchito kunja kapena nyengo yovuta.

Neoprene (CR)

Neoprene  imatchedwanso mphira wa chloroprene. Ndilolimba, lopindika, ndipo siliwonongeka ndi mafuta. Neoprene imatha kuthana ndi kupsinjika ndi kusintha kwa kutentha. Amagwiritsidwa ntchito m'magalimoto opangira gaskets, hoses, ndi mounts. M'nyumba, amagwiritsidwa ntchito popanga zisindikizo ndi mapepala. Neoprene imapezekanso muzovala, zida zotetezera, ndi malamba chifukwa zimatsutsana ndi nyengo ndi mankhwala.

Butyl Rubber (IIR)

Rabara ya butyl salola kuti mpweya udutse mosavuta. Izi zimapangitsa kuti zikhale zabwino kwa machubu a matayala ndi zipewa za botolo lamankhwala. Imakhala yopindika ndipo imasunga mpweya mkati mwa matayala. Rabara ya butyl imatetezanso mankhwala kumadzi ndi mankhwala. Itha kusinthidwa kuti igwirizane ndi zosowa zapadera, monga kuchiritsa mwachangu kwa zisindikizo zamankhwala.

Chlorinated Polyethylene (CPE)

Chlorinated polyethylene ndi mphira wamphamvu komanso wosinthika wopangidwa. Zimayimira kutentha, mafuta, moto, ndi nyengo yoipa. CPE imagwiritsidwa ntchito pazivundikiro zamawaya, mapaipi, ndi zida zamagalimoto. Ndizosavuta kusakaniza ndi kupanga. CPE imagwira ntchito bwino m'matenthedwe ambiri ndipo sigwira moto mosavuta.

Acrylic Rubber (ACM)

Rabara ya Acrylic imagwiritsidwa ntchito kwambiri pamagalimoto. Zitha kutenga kutentha kwambiri, mafuta, ndipo sizikalamba msanga. ACM imapezeka mu zisindikizo, hoses, gaskets, ndi guluu. Zimathandizira kuchepetsa phokoso komanso zimapangitsa kuti zida zagalimoto zizikhalitsa. ACM ndiyabwinonso pamagawo amafuta ndi zomatira pazitseko zamagalimoto.

Fluorocarbon (FPM)

Fluorocarbon rabara imatchedwanso FPM kapena Viton. Ili ndi fluorine mu kapangidwe kake. FPM imatha kupirira kutentha kwambiri komanso mankhwala amphamvu. Simaphwanyidwa ndi mafuta, mafuta, kapena zosungunulira. FPM imagwiritsidwa ntchito pazisindikizo ndi gaskets m'magalimoto, ndege, ndi mafakitale. Zimagwira ntchito bwino pamene zinthu zimatentha kwambiri kapena zimakhala ndi mankhwala oopsa.

Mpira wa Silicone (MQ)

Rabara ya silicone ndi yopindika kwambiri ndipo imatha kutentha kwambiri. Ndizotetezeka kwa anthu ndipo sizimakhudzidwa ndi mankhwala. Mu zamagetsi, chimakwirira mawaya ndi zisindikizo zigawo. M'zipatala, amagwiritsidwa ntchito popanga machubu, ma catheter, ndi implants. Rabara ya silicone ndi yomveka bwino komanso yofewa, choncho ndi yabwino pazida zamankhwala ndi zamano.

Polyisoprene

Polyisoprene ndi mphira wopangidwa womwe uli ngati mphira wachilengedwe. Zilibe mapuloteni a latex, choncho sizimayambitsa chifuwa. Polyisoprene imagwiritsidwa ntchito pazinthu zamankhwala ndi zakudya. Ndizosavuta kupanga ndipo siziwonongeka mu ozone kapena mankhwala. Polyisoprene siwotambasuka ngati mphira wachilengedwe, koma ndiyowopsa komanso yotetezeka kwa anthu omwe ali ndi ziwengo.

Santorene

Santoprene ndi rabara yapadera yomwe imagwira ntchito ngati mphira ndi pulasitiki. Amapangidwa posakaniza mphira wa EPDM ndi polypropylene. Santoprene ingagwiritsidwe ntchito mobwerezabwereza, zomwe ziri zabwino kwa dziko lapansi. Imalimbana ndi mankhwala, nyengo, ndi kupindika. Santoprene amagwiritsidwa ntchito mu zosindikizira zamagalimoto, mapaipi, ndi zinthu zapakhomo. Amapezekanso m'zida zamagetsi ndi zinthu zakunja. Mitundu yatsopano ya Santoprene ndiyosavuta kupanga komanso yotsika mtengo.

a Katundu / Katundu	Mawonekedwe	Pagalimoto Amagwiritsa	Ntchito Katundu Wawogula
Mtundu Wazinthu	Santoprene amapangidwa kuchokera ku mphira wa EPDM ndi polypropylene	Amagwiritsidwa ntchito pazisindikizo zamagalimoto, ma hoses, komanso mkati ndi kunja kwa magalimoto	Amagwiritsidwa ntchito m'nyumba, mawaya, ndi zinthu zakunja
Kukhalitsa	Zolimba kwambiri ndipo sizitha msanga	Zimapangitsa kuti zida zamagalimoto zizikhala nthawi yayitali ndikupewa kuwonongeka	Zimapangitsa zinthu zapakhomo kukhala zamphamvu komanso zotha kuthana ndi nkhawa
Kukaniza Chemical	Osaonongeka ndi zidulo, mafuta, kapena mafuta	Zabwino kwa zida zamagalimoto zomwe zimagwira madzi	Zabwino kwa zinthu zapanyumba zomwe zimakhudza mankhwala
Kukaniza Nyengo	Simaphwanyidwa ndi dzuwa kapena mvula	Amagwiritsidwa ntchito pazigawo zamagalimoto kunja	Amagwiritsidwa ntchito pazinthu zapanja
Kutentha Kusiyanasiyana	Imagwira ntchito kuchokera kuzizira kwambiri mpaka kutentha kwambiri	Amagwiritsidwa ntchito mu makina a mpweya wamagalimoto ndi mapaipi	Zabwino kwa zida zomwe zimatentha kapena kuzizira
Recyclability	Itha kubwezeretsedwanso ndikugwiritsidwanso ntchito	Imathandiza opanga magalimoto kukhala obiriwira kwambiri	Zabwino kwa chilengedwe
Processability ndi Surface Quality	Santorene yatsopano ndiyosavuta kupanga komanso ikuwoneka bwino	Amagwiritsidwa ntchito pazigawo zamagalimoto zomwe zimafunikira kuoneka bwino komanso kumva bwino	Amapangitsa kuti zinthu zapakhomo zikhale zosinthika komanso zowoneka bwino
Zokongola ndi Zogwira Ntchito Makhalidwe	Wamphamvu, wopindika, komanso wowoneka bwino	Amagwiritsidwa ntchito mkati mwagalimoto ndi mapanelo	Amagwiritsidwa ntchito pazinthu zapakhomo zomwe zimafunikira kukhala zolimba komanso zowoneka bwino

Santoprene ndi yabwino kwambiri pamagalimoto ndi katundu wakunyumba chifukwa ndi yamphamvu komanso yosinthika.

Buna Rubbers

Buna rubbers ndi Buna-N ndi Buna-S. Buna-N amapangidwa kuchokera ku acrylonitrile ndi butadiene. Ndi bwino kukana mafuta ndi mafuta. Buna-S amapangidwa kuchokera ku styrene ndi butadiene. Imayimilira kutentha ndi mankhwala. Buna-N imagwiritsidwa ntchito pazisindikizo ndi mapaipi. Buna-S amagwiritsidwa ntchito popanga matayala, malamba, ndi zitsulo za nsapato. Mafakitale amatha kusintha momwe ma rabawa amapangidwira kuti agwirizane ndi zosowa zosiyanasiyana.

EPM

Ethylene propylene rabara, kapena EPM, ndi mphira wopangidwa ndi msana wolimba. Simawonongeka ndi kutentha, dzuwa, kapena nyengo. EPM imakhala yopindika pakazizira ndipo imakhala yabwino pakuyimitsa magetsi. Amagwiritsidwa ntchito pazitseko zamagalimoto, mapaipi, madenga, ndi zingwe. EPM ndi yolimba komanso yosinthika, choncho imagwira ntchito bwino pamagalimoto ndi nyumba.

Epichlorohydrin (CO)

Epichlorohydrin rabara ndi yabwino kwambiri kukana mafuta, mafuta, ndi mankhwala. Imasunga mphamvu zake m'malo ovuta ndipo sichilola mpweya kudutsa. Labala ya CO imagwiritsidwa ntchito popanga mafuta, zisindikizo, ndi gaskets m'magalimoto ndi ndege. Zimagwira ntchito nthawi yozizira komanso yotentha ndipo zimapindika bwino. mphira wa CO amamatira bwino kuzitsulo ndi nsalu, zomwe zimathandiza kupanga zisindikizo zolimba.

Langizo: Posankha mtundu wa raba, ganizirani zomwe mukufuna. Yang'anani ngati ingathe kupirira kutentha koyenera, mankhwala, ndi kuchuluka kwa momwe imatha kupindika.

Katundu ndi Ntchito

Abrasion Resistance

Kulimbana ndi abrasion kumatanthauza momwe mphira umayima bwino kuti usasike. Rabara ya Nitrile ndi rabara ya styrene-butadiene ndi yabwino kwambiri pa izi. Rabara ya Nitrile imagwiritsidwa ntchito popanga mapaipi agalimoto, mizere yamafuta, mphete za O, ndi zosindikizira. Sichitha msanga ndipo imatha kugwira mafuta. Rabara ya styrene-butadiene imasankhidwa ngati matayala, zitsulo za nsapato, malamba, ndi pansi. Polyurethane imakhalanso yolimba motsutsana ndi kuvala m'mafakitale. Neoprene ndi Viton amagwira ntchito yabwino koma osati monga Nitrile kapena SBR. EPDM ndi silikoni sizimakana kuvala kwambiri ndipo sizili bwino pantchito zovuta.

Elastomer	Abrasion Resistance	Mawonekedwe Ovuta Kwambiri
Nitrile (NBR)	Zabwino kwambiri	Ma hoses amagalimoto, mizere yamafuta, mphete za O, ma gaskets, zisindikizo
Styrene-Butadiene (SBR)	Zabwino kwambiri	Matayala agalimoto, ma sole a nsapato, malamba onyamula katundu, pansi pa mafakitale
Polyurethane	Zabwino kwambiri	Ntchito zamafakitale zomwe zimafuna kukana kuvala kwambiri
Neoprene	Zabwino	Cholinga chachikulu, chocheperako kuposa NBR, SBR, Polyurethane
Viton	Zabwino	Zosindikizira zamlengalenga, kugwiritsa ntchito mankhwala ndi mafuta
Chithunzi cha EPDM	Zabwino	Zocheperako pakugwiritsa ntchito abrasion-zovuta
Silicone	Zabwino	Kutentha kwakukulu, kukana kwa abrasion

Mafuta ndi Chemical Resistance

Zina zopangira mphira zimatha kuthana ndi mafuta ndi mankhwala bwino kwambiri. Nitrile butadiene raba ndi wabwino kwambiri wokhala ndi mafuta, mafuta, ndi mafuta. Viton ndi yabwino kwambiri ndi mankhwala amphamvu ndi mafuta. Izi zimapangitsa kuti zikhale zabwino kwa ndege ndi zomera za mankhwala. Neoprene ndi yamphamvu ndipo imatha kuthana ndi mafuta ndi mankhwala. Amagwiritsidwa ntchito mu ma gloves, ma wetsuits, ndi zisindikizo. Ma rabara amenewa amasiya kuchucha ndikusunga makina otetezeka m’magalimoto, ndege, ndi m’mafakitale a zakudya.

• NBR imayimira mafuta, mafuta, ma acid, mabasi, ndi zoyeretsa.

• Viton imagwira ntchito ndi mankhwala owopsa komanso kutentha kwambiri.

• Neoprene imasankhidwa ntchito zambiri chifukwa ndi yamphamvu komanso imakana mafuta.

Kulimbana ndi Nyengo ndi Kutentha

Mapiritsi omwe amalimbana ndi nyengo ndi kutentha amafunikira kunja ndi kumalo otentha. Labala la EPDM  siliwonongeka ndi dzuwa, ozoni, kapena mvula. Amagwiritsidwa ntchito ngati zosindikizira zamagalimoto, madenga, ndi mapaipi akunja. Rabara ya silikoni imakhala yofewa ndipo imasunga mawonekedwe ake pakatentha kwambiri, mpaka 572 ° F. Viton ndi yabwino m'malo olimba, yogwira kutentha ndi mankhwala. Miyala imeneyi imagwiritsidwa ntchito m’magalimoto, m’mafakitale, ndi m’nyumba zimene nyengo ndi kutentha kungayambitse mavuto.

• EPDM ndi yabwino kwa zisindikizo zakunja ndi madenga.

• Silicone imagwiritsidwa ntchito mu gaskets mu uvuni, zida zamankhwala, ndi zamagetsi.

• Viton amasankhidwa kwa ndege ndi zomera za mankhwala.

Kusakwanira kwa Gasi

Ma rubber ena amatha kutsekereza gasi kuposa ena. Rabara ya butyl imalepheretsa mpweya kudutsa, motero imagwiritsidwa ntchito m'machubu a matayala ndi zomangira. Epichlorohydrin rabara imatchinga bwino gasi ndipo imagwiritsidwa ntchito pamakina amafuta. EPDM ndi yabwino kuyimitsa gasi, makamaka m'magawo a nthunzi ndi mabuleki.

Zopangira Zampira	Gasi Wosakwanira Makhalidwe	Amagwiritsidwira Ntchito Kwambiri
Butyl Rubber	High impermeability kuti mpweya; otsika matenthedwe kukula	Machubu amkati a matayala, zomangira matayala, m'mbali
Epichlorohydrin (ECO)	Kusakwanira kwa mpweya wabwino kwambiri poyerekeza ndi Nitrile	Makina amafuta
Chithunzi cha EPDM	Zabwino kwa nthunzi yamadzi yotentha kwambiri	Zisindikizo za nthunzi, zida za brake system

Specialty Applications

Ma raba ena amasankhidwira ntchito zapadera. Neoprene imagwiritsidwa ntchito popanga chubu, zovundikira waya, ndi zovala zotetezera. Labala ya nitrile imagwiritsidwa ntchito popanga payipi zamafuta, matanki amafuta, komanso zida za rocket. Hydrogenated NBR imasunga mpweya wabwino kwambiri. Mapiritsi a butyl amatha kutsekereza gasi komanso kuyimitsa magetsi. EPDM imagwiritsidwa ntchito pazigawo zamagalimoto ndi nsapato chifukwa imayimilira nyengo. Urethane elastomers, monga spandex, amapezeka muzinthu zotambasuka ndi mawilo a ndege. Zopaka mphira za silicone zimagwira ntchito m'malo otentha ambiri ndipo zimagwiritsidwa ntchito ngati zivundikiro za waya.

Santoprene amadziwika kuti ndi wopindika komanso wolimba. Mafakitole amagwiritsa ntchito santoprene mu zosindikizira zamagalimoto, mapaipi, makina apanyumba, ndi zinthu zakunja. Santoprene imatha kusinthidwanso ndikuwumbidwa mosavuta, chifukwa chake ndiyabwino kwambiri pamagalimoto ndi katundu wakunyumba. Vulcanization imapangitsa kuti santoprene ikhale yamphamvu komanso yokhalitsa, motero imagwira ntchito m'malo ovuta. Vulcanization imalolanso kuti santoprene igwiritsidwenso ntchito, yomwe imathandiza dziko lapansi.

Langizo: Nthawi zonse sankhani mphira woyenera pantchitoyo. Gwiritsani ntchito santoprene pazisindikizo za bendy, NBR yamafuta, ndi EPDM kuti mugwiritse ntchito kunja.

Kuyerekeza Mitundu

Mwachidule Table

Gome ili m'munsili likuthandizira kufananiza mitundu yosiyanasiyana ya  rabara yopangira . Zimawonetsa momwe amagwirira ntchito, nthawi yayitali bwanji, komanso mtengo wake. Izi zimapangitsa kuti zikhale zosavuta kuwona mtundu womwe uli wabwino kwambiri pantchito iliyonse.

Lembani	Mphamvu Zofunika Kwambiri Kukhalitsa	Wokhazikika	Mtengo	Zomwe zimagwiritsidwa ntchito
Zithunzi za SBR	Kukana bwino kwa abrasion, kosavuta kupanga	Wapakati	Zochepa	Matayala, nsapato, malamba
NBR	Amalimbana ndi mafuta ndi mafuta, amphamvu	Zochepa (zopanda UV / ozoni)	Zochepa	Zisindikizo, mapaipi, makina amafuta
Chithunzi cha EPDM	Imagwira nyengo, UV, ndi mankhwala	Wapamwamba	Wapakati	Zisindikizo zamagalimoto, denga, mbali zakunja
Neoprene (CR)	Imalimbana ndi mafuta, mankhwala, ndi nyengo	Wapakati	Wapakati	Gaskets, wetsuits, malamba
Butyl (IIR)	Imasunga mpweya mkati, imatchinga mpweya	Kukwera (mafuta osakwanira / ozoni)	Wapakati	Machubu a matayala, zisindikizo, zoyimitsa
Silicone	Imasamalira kutentha, kuzizira, ndi UV	Wapamwamba	Wapamwamba	Zachipatala, zamagetsi, kuphika
Fluorocarbon (FKM)	Imalimbana ndi mankhwala oopsa komanso kutentha	Wapamwamba	Wapamwamba	Azamlengalenga, zomera mankhwala
Polyurethane (PU)	Yamphamvu motsutsana ndi kutha	Zochepa (zopanda UV / ozoni)	Wapakati-Wapamwamba	Magudumu, matabwa, makina

Zindikirani:  Labala yopangira  imatha kupangidwira ntchito zapadera. Mitundu ina imakhala nthawi yayitali m'malo ovuta. Ena amawononga ndalama zochepa kapena amagwira ntchito bwino ndi mafuta.

Kusankha Mtundu Woyenera

Kutenga bwino  mphira wopangidwa  kumadalira zomwe mukufuna. Nazi njira zina zomwe zingakuthandizeni kusankha:

1. Yang'anani chilengedwe : Kodi chidzakumana ndi kutentha, kuzizira, dzuwa, kapena mankhwala? Gwiritsani ntchito EPDM kapena silikoni kunja. Sankhani NBR yamafuta kapena mafuta.

2. Ganizirani za mphamvu : Kodi ikufunika kutambasula kapena kukhala olimba? Polyurethane ndi yolimba ndipo satha msanga. Silicone imakhala yopindika potentha komanso kuzizira.

3. Onani mtengo : SBR ndiyotsika mtengo ndipo imagwira ntchito pazinthu zambiri. Silicone ndi fluorocarbon zimawononga ndalama zambiri koma zimakhala nthawi yayitali m'malo ovuta.

4. Fananizani ndikugwiritsa ntchito : SBR ndi rabara ya butyl amagwiritsidwa ntchito ngati matayala. Silicone ndi yotetezeka kuntchito zachipatala ndi chakudya. NBR kapena fluorocarbon ndi zabwino zosindikizira injini.

5. Yang'anani malamulo ndi chitetezo : Ntchito zina zimafuna mphira womwe umakwaniritsa malamulo achitetezo. Nthawi zonse fufuzani ngati mtunduwo wavomerezedwa.

Pali mitundu yambiri ya  rabala yopangira  yomwe mungatengepo. Iliyonse ili ndi mawonekedwe apadera a ntchito zosiyanasiyana. Poganizira za ntchito, kumene idzagwiritsidwe ntchito, ndi bajeti, mukhoza kusankha mphira wabwino kwambiri wa polojekiti yanu.

Mitundu ya mphira yopangira siili yofanana. Ena ndi amphamvu kapena opindika kuposa ena. Ena amatha kuthana ndi kutentha, mafuta, kapena nyengo yoipa bwino. Kusankha mtundu woyenera kumapangitsa kuti zinthu zizikhala nthawi yayitali komanso zimagwira ntchito bwino. Gome ili limathandiza opanga kusankha mphira wabwino kwambiri pa ntchito iliyonse:

Type	Key Properties	Best Use
NBR	Kukana kwamafuta ndi mafuta	Zisindikizo za injini, ma hoses
Chithunzi cha EPDM	Kukana kwanyengo ndi kutentha	Denga, zisindikizo zamagalimoto
Neoprene	Chemical ndi moto kukana	Zovala zam'madzi, gaskets
Silicone	Kutentha kwakukulu ndi kusinthasintha	Medical, kitchenware
Viton	Kwambiri mankhwala ndi kutentha kukana	Azamlengalenga, O-mphete

Santoprene amadziwika kuti ndi wopindika komanso wolimba m'magalimoto ndi zinthu zapakhomo.

FAQ

Kodi pali kusiyana kotani pakati pa mphira wachilengedwe ndi wopangidwa?

Labala wachilengedwe umachokera kumitengo. Labala wopangira amapangidwa m'mafakitale kuchokera kumafuta amafuta. Rabara yopangidwa ikhoza kusinthidwa kuti igwire ntchito zapadera. Mitundu yonseyi imatha kutambasula ndikubwerera ku mawonekedwe awo. Rabara yopangidwa nthawi zambiri imakhala nthawi yayitali pamalo olimba.

Ndi rabara iti yopangira yomwe imagwira bwino ntchito pamatayala agalimoto?

Rabara ya styrene-butadiene (SBR) ndi mphira wa butadiene (BR) ndi yabwino kwambiri pamatayala amgalimoto. Satha msanga ndipo amatha kutentha. Opanga matayala amasakaniza SBR ndi mphira wachilengedwe kuti matayala akhale olimba komanso okhalitsa.

Kodi mphira wopangidwa ukhoza kubwezeretsedwanso?

Inde, mitundu yambiri ya mphira wopangira amatha kubwezeretsedwanso. Santorene ndi yosavuta kubwezeretsanso. Kubwezeretsanso kumathandiza kuchepetsa zinyalala komanso kusunga zinthu. Raba wina wobwezerezedwanso amagwiritsidwa ntchito ngati zida zatsopano zamagalimoto, pansi, kapena malo osewerera.

Chifukwa chiyani ma rubber ena amakana mafuta ndi mankhwala kuposa ena?

Nitrile (NBR) ndi fluorocarbon (Viton) ali ndi makeup apadera apadera. Izi zimalepheretsa mafuta ndi mankhwala kuti asawononge mphira. Ndicho chifukwa chake ndi abwino kwa zisindikizo, ma hoses, ndi gaskets mu injini ndi mafakitale.

Kodi mphira wa silikoni ndi wotetezeka ku chakudya ndi ntchito zamankhwala?

Inde, mphira wa silikoni  ndi wotetezeka ku chakudya ndi zinthu zachipatala. Simakhudzidwa ndi mankhwala ambiri ndipo imatha kutentha kwambiri. Zipatala zimagwiritsa ntchito silikoni popanga machubu ndi ma implants. Opanga zakudya amazigwiritsa ntchito pophika mphasa ndi zida zakukhitchini.