Cov roj hmab hluavtaws tseem ceeb heev hauv kev ua cov khoom niaj hnub no. Hauv xyoo 2023, nws tau tsim yuav luag 58% ntawm tag nrho cov roj hmab siv hauv ntiaj teb. Feem ntau hom hluavtaws roj hmab yog:
Styrene-Butadiene Roj Hmab (SBR)
Polybutadiene Roj Hmab (BR)
Ethylene-Propylene-Diene Monomer (EPDM)
Isobutylene-Isoprene Roj Hmab (IIR)
Polyisoprene Roj Hmab (IR)
Nitrile Roj Hmab (NBR)
Chloroprene Roj Hmab (CR)
Acrylic Roj Hmab (ACM)
Hydrogenated Nitrile Roj Hmab (HNBR)
Synthetic rubbers kuj hu ua elastomers. Lawv yog tsim los ntawm tib neeg, tsis pom nyob rau hauv cov xwm. Cov elastomers no feem ntau muaj zog thiab kav ntev dua li cov roj hmab ntuj. Lawv yog siv nyob rau hauv ntau lub lag luam, xws li tsheb tsim thiab tsev. Paub txog cov roj hmab sib txawv pab cov engineers thiab cov neeg ua haujlwm xaiv qhov zoo rau txhua txoj haujlwm. Cov lus hauv qab no qhia ntau npaum li cas cov roj hmab hluavtaws tau muag thoob ntiaj teb hauv xyoo tas los no:
| Xyoo |
Ntiaj Teb Synthetic Rubber Market Size (USD Billion) |
| 2023 |
~ 41.04 Nws |
| 2024 |
38.90 |
| 2025 |
41.04 (zeeg) |
| 2034 |
66.44 (kwv yees) |
Ntsiab Cai
Synthetic roj hmab yog tsim los ntawm cov neeg. Nws yog feem ntau siv rau hauv cov log tsheb, cov ntsaws ruaj ruaj, hoses, thiab ntau lwm yam. Nws kav ntev dua li cov roj hmab ntuj. Nws kuj tuaj yeem hloov pauv kom haum rau cov haujlwm sib txawv.
Muaj ntau hom hluavtaws roj hmab . Txhua hom muaj nws lub zog tshwj xeeb. SBR yog qhov zoo rau cov log tsheb. NBR ua haujlwm zoo nrog roj. EPDM yog qhov zoo tshaj plaws rau huab cua phem. Silicone yog siv los ua cua sov thiab hauv tshuaj.
Koj yuav tsum xaiv cov roj hmab hluavtaws zoo rau txhua txoj haujlwm. Xav txog tej yam xws li qhov kub thiab txias, tshuaj lom neeg, nws yog dabtsi, thiab tus nqi npaum li cas.
Ntau cov roj hmab hluavtaws, zoo li Santoprene, tuaj yeem siv dua. Qhov no pab txiav cov thoob khib nyiab thiab ua kom lub ntiaj teb huv.
Paub tias txhua yam roj hmab yuav ua li cas pab cov engineers thiab cov neeg tsim khoom. Lawv tuaj yeem xaiv qhov zoo tshaj plaws. Qhov no ua rau cov khoom muaj zog, muaj kev nyab xeeb, thiab kav ntev dua.
Dab tsi yog Synthetic Rubber?
Txhais
Synthetic roj hmab yog tsim los ntawm tib neeg, tsis pom nyob rau hauv cov xwm. Nws ua zoo li cov roj hmab ntuj. Cov ntaub ntawv no hu ua elastomers vim tias lawv tuaj yeem ncab thiab rov qab mus rau lawv cov duab. Factories ua elastomers siv tshuaj los ntawm cov roj. Cov roj hmab hluavtaws muaj ntau yam zoo li cov roj hmab ntuj, tab sis nws tuaj yeem hloov tau rau cov haujlwm tshwj xeeb.
Lus Cim: Muaj ntau hom roj hmab hluavtaws, xws li styrene-butadiene roj hmab, roj hmab butyl, thiab silicone roj hmab. Txhua yam muaj zog ntawm nws tus kheej txoj kev thiab siv rau ntau yam.
Kev lag luam chemical hais tias cov roj hmab hluavtaws yog cov elastomer uas tuaj yeem ua vulcanized thiab yog tsim los ntawm kev koom nrog cov tshuaj ua ke. Cov pab pawg no muaj cov roj hmab acrylate, butadiene-styrene copolymer, nitrile-butadiene roj hmab, thiab lwm yam. Cov elastomers no tseem ceeb heev rau kev ua cov log tsheb, cov ntsaws ruaj ruaj, hoses, thiab ntau lwm yam.
Ntau lawm
Ua cov roj hmab hluavtaws pib nrog cov khoom siv roj. Factories siv tej yam xws li naphtha, uas reacts nrog natural gas los ua monomers. Monomers yog cov khoom xws li butadiene, styrene, isoprene, chloroprene, acrylonitrile, ethylene , thiab propylene. Polymerization yog txheej txheem uas txuas cov monomers los ua cov saw ntev hu ua polymers.
Feem ntau cov elastomers muaj lub nraub qaum ua los ntawm cov pa roj carbon atoms, tab sis silicone roj hmab muaj lub nraub qaum ua los ntawm silicon thiab oxygen.
Silicone roj hmab los ntawm silicon, uas muaj nyob rau hauv cov xuab zeb los yog quartz.
Txawv catalysts thiab monomer sib tov pab tswj yuav ua li cas cov elastomers tig tawm. Tom qab polymerization, cov khoom mus los ntawm vulcanization. Cov kauj ruam no siv cov khoom xws li sulfur los ua cov roj hmab tawv thiab muaj zog dua. Hloov cov qauv tshuaj cia cov chaw tsim khoom ua elastomers rau ntau yam tshwj xeeb siv.
Hom Synthetic Rubber
Styrene-Butadiene (SBR)
Styrene-butadiene roj hmab siv ntau thoob ntiaj teb. Factories ua los ntawm kev sib tov feem ntau butadiene thiab qee cov styrene. Qhov sib xyaw no tsim cov khoom siv uas muaj zog thiab khoov. SBR tsis hnav yooj yim thiab nplaum zoo rau hlau. Nws ua haujlwm hauv qhov chaw txias thiab kub, los ntawm -60ºF txog +225ºF. SBR feem ntau yog siv los ua cov log tsheb, uas siv feem ntau ntawm SBR ua. Nws tseem muaj nyob rau hauv txoj siv sia, hoses, xov hlau, khau khau, thiab ntim khoom noj. SBR tsis kim thiab ua haujlwm zoo rau ntau txoj haujlwm. Cov neeg feem ntau sib xyaw SBR nrog cov roj hmab ntuj los ua kom cov log tsheb zoo dua.
Lus Cim: SBR yog tov nrog cov roj hmab ntuj los pab cov log tsheb ntev dua.
Butadiene Roj Hmab (BR)
Butadiene roj hmab yog lwm yam tseem ceeb ntawm cov roj hmab hluavtaws. Nws yog bouncy heev thiab tuaj yeem ncab ntau. BR tsis tsim kua muag yooj yim thiab kav ntev. Nws ua haujlwm zoo hauv huab cua kub thiab txias. BR yog siv rau hauv cov log tsheb, gaskets, seals, thiab khau khau. Nws tseem muaj nyob rau hauv cov khoom siv conveyor, cov khoom ua si, thiab cov khoom siv kho mob.
Nitrile Roj Hmab (NBR)
Nitrile roj hmab kuj hu ua Buna-N. Nws yog tsim los ntawm acrylonitrile thiab butadiene. NBR zoo heev ntawm kev tiv thaiv roj, roj, thiab tshuaj lom neeg. Nws yog siv rau cov ntsaws ruaj ruaj, gaskets, thiab hoses hauv tsheb thiab dav hlau. NBR kuj tseem siv rau hauv cov cuab yeej roj thiab roj thiab cov hnab looj tes kho mob. Nws ua haujlwm zoo hauv cov cav thiab cov tshuab roj vim nws tsis tawg hauv cov roj. NBR muaj zog thiab kav ntev hauv qhov chaw tawv.
Ethylene Propylene Diene (EPDM)
EPDM yog cov roj hmab hluavtaws uas sawv ntsug rau hnub, nag, thiab ozone. Nws nyob twj ywm hauv ob qho tib si huab cua kub thiab txias. EPDM tsis tau txais kev puas tsuaj los ntawm dej lossis ntau yam tshuaj. Nws yog pheej yig thiab tuaj yeem siv dua. EPDM yog siv nyob rau hauv lub tsheb qhov rooj, hoses, ru tsev, thiab cua tshuab. Nws yog ib qho kev xaiv zoo rau cov khoom siv sab nraud lossis hauv huab cua ntxhib.
Neoprene (CR).
Neoprene tseem hu ua chloroprene roj hmab. Nws yog tawv, khoov, thiab tsis tau puas los ntawm roj. Neoprene tuaj yeem tswj kev ntxhov siab thiab hloov pauv ntawm qhov kub thiab txias. Nws yog siv rau hauv tsheb rau gaskets, hoses, thiab mounts. Hauv tsev, nws yog siv rau cov ntsaws ruaj ruaj thiab cov ntaub qhwv. Neoprene kuj pom muaj nyob rau hauv cov khaub ncaws, cov iav kev nyab xeeb, thiab cov hlua vim nws tiv taus huab cua thiab tshuaj lom neeg.
Butyl Roj Hmab (IIR)
Butyl roj hmab tsis cia cov roj nkag mus tau yooj yim. Qhov no ua rau nws zoo heev rau lub log tsheb thiab lub raj mis tshuaj. Nws nyob ruaj khov thiab ua kom cua hauv cov log tsheb. Butyl roj hmab kuj tiv thaiv cov tshuaj los ntawm dej thiab tshuaj. Nws tuaj yeem hloov kho kom haum rau cov kev xav tau tshwj xeeb, xws li ua kom nws kho sai dua rau cov tshuaj foob.
Chlorinated Polyethylene (CPE)
Chlorinated polyethylene yog cov roj hmab hluavtaws muaj zog thiab hloov tau yooj yim. Nws sawv ntawm tshav kub, roj, hluav taws, thiab huab cua phem. CPE yog siv rau cov hlau npog, hoses, thiab lub tsheb qhov chaw. Nws yog ib qho yooj yim los sib tov thiab zoo li. CPE ua haujlwm zoo nyob rau hauv ntau qhov kub thiab txias tsis tuaj yeem ntes hluav taws.
Acrylic Roj Hmab (ACM)
Acrylic roj hmab yog siv ntau hauv tsheb. Nws tuaj yeem siv hluav taws xob kub, roj, thiab tsis txhob laus sai. ACM muaj nyob rau hauv cov ntsaws ruaj ruaj, hoses, gaskets, thiab kua nplaum. Nws pab txiav cov suab nrov thiab ua rau lub tsheb qhov chaw nyob ntev dua. ACM kuj zoo rau cov khoom siv roj thiab kua nplaum rau lub qhov rooj tsheb.
Fluorocarbon (FPM)
Fluorocarbon roj hmab tseem hu ua FPM lossis Viton. Nws muaj fluorine hauv nws cov qauv. FPM tuaj yeem tiv taus kub heev thiab muaj zog tshuaj lom neeg. Nws tsis tawg hauv cov roj, roj, lossis cov kuab tshuaj. FPM yog siv rau cov ntsaws ruaj ruaj thiab gaskets hauv tsheb, dav hlau, thiab cov chaw tsim khoom. Nws ua haujlwm zoo qhov twg cov khoom kub heev lossis muaj cov tshuaj hnyav heev.
Silicone Roj Hmab (MQ)
Silicone roj hmab yog khoov heev thiab tuaj yeem ua rau kub kub. Nws muaj kev nyab xeeb rau tib neeg thiab tsis hnov mob nrog tshuaj. Hauv electronics, nws npog cov xov hlau thiab cov khoom sib khi. Hauv tsev kho mob, nws yog siv rau cov raj, catheters, thiab cog qoob loo. Silicone roj hmab yog ntshiab thiab mos, yog li nws yog qhov zoo rau kev kho mob thiab kho hniav.
Polyisoprene
Polyisoprene yog cov roj hmab hluavtaws uas zoo li cov roj hmab ntuj. Nws tsis muaj cov protein latex, yog li nws tsis ua rau muaj kev fab tshuaj. Polyisoprene yog siv rau kev kho mob thiab khoom noj khoom haus. Nws yog ib qho yooj yim los ua thiab tsis tawg hauv ozone lossis tshuaj lom neeg. Polyisoprene tsis zoo li cov roj hmab ntuj, tab sis nws muaj kev nyab xeeb dua rau cov neeg muaj kev fab tshuaj.
Santoprene
Santoprene yog cov roj hmab tshwj xeeb uas ua haujlwm zoo li roj hmab thiab yas. Nws yog tsim los ntawm kev sib xyaw EPDM roj hmab nrog polypropylene. Santoprene tuaj yeem siv rov ua dua, uas yog qhov zoo rau lub ntiaj teb. Nws sawv ntsug rau tshuaj, huab cua, thiab khoov. Santoprene yog siv rau hauv lub tsheb ntsaws ruaj ruaj, hoses, thiab cov khoom siv hauv tsev. Nws kuj muaj nyob rau hauv cov khoom siv thiab cov khoom siv sab nraum zoov. Cov hom tshiab ntawm Santoprene yooj yim dua ua thiab raug nqi tsawg.
| Feature/Property |
Description |
Automotive Siv |
Cov Khoom Siv Khoom Siv |
| Hom khoom |
Santoprene yog tsim los ntawm EPDM roj hmab thiab polypropylene |
Siv rau lub tsheb ntsaws ruaj ruaj, hoses, thiab sab hauv thiab sab nrauv tsheb |
Siv rau hauv cov khoom siv hauv tsev, cov xov hlau, thiab cov khoom siv sab nraum zoov |
| Durability |
Cov tawv heev thiab tsis hnav tawm yooj yim |
Ua kom lub tsheb qhov chaw nyob ntev dua thiab tiv thaiv kev puas tsuaj |
Ua kom cov khoom hauv tsev muaj zog thiab muaj peev xwm daws kev ntxhov siab |
| Tshuaj tiv thaiv |
Tsis txhob puas los ntawm acids, roj, los yog roj |
Zoo rau lub tsheb qhov chaw uas kov cov kua |
Zoo rau cov khoom hauv tsev uas kov cov tshuaj |
| Huab cua Resistance |
Tsis tawg nyob rau hauv lub hnub los nag |
Siv rau qhov chaw tsheb sab nraud |
Siv rau cov khoom siv sab nraum zoov |
| Qhov kub thiab txias |
Ua haujlwm los ntawm txias heev mus rau kub heev |
Siv hauv tsheb cua tshuab thiab hoses |
Zoo rau cov khoom siv kub lossis txias |
| Kev rov ua dua tshiab |
Yuav rov siv dua thiab siv dua |
Pab cov tsheb tsim kom muaj xim ntsuab dua |
Zoo rau ib puag ncig |
| Processability thiab Surface Quality |
Tshiab Santoprene yog ib qho yooj yim rau cov duab thiab zoo li zoo |
Siv rau lub tsheb qhov chaw uas yuav tsum tau saib thiab zoo |
Ua cov khoom hauv tsev hloov pauv tau thiab zoo saib |
| Aesthetic thiab Functional Qualities |
Muaj zog, khoov, thiab zoo li zoo |
Siv rau tsheb sab hauv thiab panels |
Siv rau cov khoom siv hauv tsev uas yuav tsum tau tawv thiab saib zoo |
Santoprene yog qhov kev xaiv zoo tshaj plaws rau cov tsheb thiab cov khoom siv hauv tsev vim nws muaj zog thiab hloov tau.
Buna Rubbers
Buna rubbers suav nrog Buna-N thiab Buna-S. Buna-N yog tsim los ntawm acrylonitrile thiab butadiene. Nws yog qhov zoo heev ntawm kev tiv thaiv roj thiab roj. Buna-S yog tsim los ntawm styrene thiab butadiene. Nws sawv ntawm tshav kub thiab tshuaj. Buna-N yog siv rau cov ntsaws ruaj ruaj thiab hoses. Buna-S yog siv rau hauv cov log tsheb, siv tawv, thiab khau khau. Factories tuaj yeem hloov cov roj hmab no kom haum raws li qhov xav tau sib txawv.
EPM
Ethylene propylene roj hmab, lossis EPM, yog cov roj hmab hluavtaws uas muaj cov pob txha muaj zog. Nws tsis raug puas los ntawm tshav kub, hnub, lossis huab cua. EPM nyob twj ywm hauv qhov txias thiab zoo ntawm kev txwv hluav taws xob. Nws yog siv nyob rau hauv lub tsheb qhov rooj, hoses, ru tsev, thiab cables. EPM yog tawv thiab hloov tau, yog li nws ua haujlwm zoo hauv tsheb thiab tsev.
Epichlorohydrin (CO)
Epichlorohydrin roj hmab yog qhov zoo heev ntawm kev tiv thaiv roj, roj, thiab tshuaj lom neeg. Nws ua kom nws lub zog nyob rau hauv qhov chaw tawv thiab tsis cia cov pa nkag mus. CO roj hmab yog siv rau roj hoses, ntsaws ruaj ruaj, thiab gaskets hauv tsheb thiab dav hlau. Nws ua haujlwm nyob rau hauv ob qho tib si txias thiab kub huab cua thiab khoov zoo. CO roj hmab sticks zoo rau cov hlau thiab ntaub, uas pab ua kom muaj zog sealing.
Tswv yim: Thaum xaiv ib hom roj hmab, xav txog yam koj xav tau. Xyuas seb nws puas tuaj yeem tswj qhov kub thiab txias, tshuaj, thiab nws tuaj yeem khoov tau npaum li cas.
Khoom thiab Kev Siv
Abrasion Resistance
Abrasion kuj txhais tau hais tias zoo npaum li cas roj hmab sawv los txhuam. Nitrile roj hmab thiab styrene-butadiene roj hmab yog qhov zoo heev ntawm qhov no. Nitrile roj hmab yog siv rau hauv tsheb hoses, roj kab, O-rings, thiab cov ntsaws ruaj ruaj. Nws tsis hnav sai sai thiab tuaj yeem tuav cov roj. Styrene-butadiene roj hmab yog xaiv rau cov log tsheb, khau khau, siv tawv, thiab hauv pem teb. Polyurethane kuj muaj zog tiv thaiv hnav hauv cov chaw tsim khoom. Neoprene thiab Viton ua haujlwm zoo tab sis tsis zoo li Nitrile lossis SBR. EPDM thiab silicone tsis tiv taus hnav ntau npaum li cas thiab tsis zoo rau cov hauj lwm ntxhib.
| Elastomer |
Abrasion Resistance |
Cov ntawv thov tseem ceeb |
| Nitrile (NBR) |
Zoo heev |
Automotive hoses, roj kab, O-rings, gaskets, seals |
| Styrene-Butadiene (SBR) |
Zoo heev |
Automotive log tsheb, khau khau, conveyor siv, industrial flooring |
| Polyurethane |
Zoo heev |
Cov ntawv thov kev lag luam yuav tsum tau hnav tsis kam |
| Neoprene |
Zoo |
Lub hom phiaj dav dav, tsawg dua NBR, SBR, Polyurethane |
| Viton |
Zoo |
Aerospace seals, tshuaj thiab roj tuav |
| EPDM |
Ncaj ncees |
Tsawg tsim nyog rau kev puas tsuaj-tseem ceeb siv |
| Silicone |
Ncaj ncees |
Kub kub, tsis zoo puas kuj |
Roj thiab tshuaj tiv thaiv
Qee cov roj hmab hluavtaws tuaj yeem ua cov roj thiab tshuaj zoo heev. Nitrile butadiene roj hmab zoo nrog roj, roj, thiab roj. Viton tseem zoo dua nrog cov tshuaj muaj zog thiab roj. Qhov no ua rau nws zoo rau cov dav hlau thiab cov nroj tsuag tshuaj. Neoprene muaj zog thiab tuaj yeem ua cov roj thiab tshuaj lom neeg. Nws yog siv hauv hnab looj tes, hnab looj tes, thiab cov ntsaws ruaj ruaj. Cov roj hmab no tso tseg cov dej xau thiab ua kom cov tshuab muaj kev nyab xeeb hauv tsheb, dav hlau, thiab cov khoom noj khoom haus.
NBR sawv ntsug rau roj, roj, kua qaub, hauv paus, thiab tshuaj ntxuav.
Viton ua haujlwm nrog cov tshuaj hnyav thiab kub kub.
Neoprene raug xaiv rau ntau txoj haujlwm vim nws muaj zog thiab tiv taus roj.
Huab cua thiab cua sov kuj
Cov roj hmab uas tiv taus huab cua thiab cua sov yog xav tau sab nraud thiab hauv qhov chaw kub. EPDM roj hmab tsis raug puas los ntawm lub hnub, ozone, los yog los nag. Nws yog siv rau lub tsheb foob, lub ru tsev, thiab hoses sab nraud. Silicone roj hmab nyob twj ywm mos thiab ua kom nws cov duab nyob rau hauv kub heev, mus txog 572 ° F. Viton yog qhov zoo hauv qhov chaw tawv, tuav ob qho tib si cua sov thiab tshuaj lom neeg. Cov roj hmab no siv rau hauv tsheb, cov chaw tsim khoom, thiab cov tsev uas huab cua thiab cua sov tuaj yeem ua rau muaj teeb meem.
EPDM yog qhov zoo tshaj plaws rau cov ntsaws ruaj ruaj sab nraum zoov thiab lub ru tsev.
Silicone yog siv rau hauv qhov cub gaskets, cov cuab yeej kho mob, thiab hluav taws xob.
Viton raug xaiv rau cov dav hlau thiab cov nroj tsuag tshuaj.
Roj impermeability
Qee cov roj hmab zoo dua ntawm kev thaiv cov roj ntau dua li lwm tus. Butyl roj hmab ua kom huab cua tsis dhau mus, yog li nws yog siv rau hauv cov log tsheb thiab cov hlua. Epichlorohydrin roj hmab kuj thaiv cov roj zoo thiab siv rau hauv cov tshuab roj. EPDM yog qhov zoo rau kev nres roj, tshwj xeeb tshaj yog nyob rau hauv chav thiab nres qhov chaw.
| Synthetic Rubber |
Gas Impermeability Cov yam ntxwv |
tseem ceeb siv |
| Butyl Roj Hmab |
High impermeability rau gases; Tsawg thermal expansion |
Tyre inner tubes, log liners, sidewalls |
| Epichlorohydrin (ECO) |
Superior gas impermeability piv rau Nitrile |
Roj tshuab |
| EPDM |
Zoo rau high-temperature dej vapor |
Seals rau chav, nres qhov system qhov chaw |
Cov ntawv thov tshwj xeeb
Qee cov roj hmab raug xaiv los ua haujlwm tshwj xeeb. Neoprene yog siv rau tubing, hlau npog, thiab khaub ncaws kev nyab xeeb. Nitrile roj hmab yog siv nyob rau hauv cov roj hoses, roj tso tsheb hlau luam, thiab txawm foob pob ua ntxaij qhov chaw. Hydrogenated NBR ua kom cua tawm zoo heev. Butyl roj hmab yog qhov zoo ntawm kev thaiv cov roj thiab nres hluav taws xob. EPDM yog siv rau hauv lub tsheb qhov chaw thiab khau vim nws sawv ntawm huab cua. Urethane elastomers, zoo li spandex, muaj nyob rau hauv cov khoom stretchy thiab lub dav hlau log. Silicone rubbers ua haujlwm nyob rau hauv ntau qhov kub thiab txias thiab siv rau cov hlau npog.
Santoprene paub tias yog khoov thiab tawv. Factories siv santoprene hauv tsheb foob, hoses, tshuab hauv tsev, thiab khoom rau sab nraud. Santoprene tuaj yeem rov ua dua thiab zoo li qub, yog li nws yog qhov zoo tshaj plaws xaiv rau tsheb thiab khoom hauv tsev. Vulcanization ua rau santoprene muaj zog thiab kav ntev, yog li nws ua haujlwm hauv qhov chaw nyuaj. Vulcanization kuj cia santoprene siv dua, uas pab lub ntiaj teb.
Tswv yim: Ib txwm xaiv cov roj hmab zoo rau txoj haujlwm. Siv santoprene rau bendy seals, NBR rau roj, thiab EPDM rau sab nraud siv.
Kev sib piv ntawm Hom
Cov lus piav qhia
Cov lus hauv qab no pab sib piv ntau hom roj hmab hluavtaws . Nws qhia tias lawv ua li cas, lawv nyob ntev npaum li cas, thiab lawv raug nqi npaum li cas. Qhov no ua rau nws yooj yim dua kom pom tias hom twg yog qhov zoo tshaj plaws rau txhua txoj haujlwm.
| Hom |
Cov Ntsiab Lus Tseem Ceeb Cov |
Nqi |
Them Nqi |
Siv Feem Ntau |
| SBR |
Zoo abrasion tsis kam, yooj yim ua |
Nruab nrab |
Tsawg |
Cov log tsheb, khau khau, siv tawv |
| NBR |
Resistant roj thiab roj, muaj zog |
Nruab nrab (tsis zoo UV / ozone) |
Tsawg |
Seals, hoses, roj systems |
| EPDM |
Tiv thaiv huab cua, UV, thiab tshuaj lom neeg |
Siab |
Nruab nrab |
Tsheb ntsaws ruaj ruaj, ru tsev, qhov chaw sab nraum zoov |
| Neoprene (CR). |
Resistant roj, tshuaj, thiab huab cua |
Nruab nrab |
Nruab nrab |
Gaskets, wetsuits, siv |
| Butyl (IIR) |
Khaws cua hauv, thaiv cov pa roj |
Siab (tsis muaj roj / ozone) |
Nruab nrab |
Cov log tsheb, cov ntsaws ruaj ruaj, stoppers |
| Silicone |
Tiv thaiv tshav kub, txias, thiab UV |
Siab |
Siab |
Kev kho mob, hluav taws xob, ci |
| Fluorocarbon (FKM) |
Resistant tshuaj hnyav thiab cua sov |
Siab |
Siab |
Aerospace, tshuaj nroj tsuag |
| Polyurethane (PU) |
Muaj zog tiv thaiv hnav thiab tsim kua muag |
Nruab nrab (tsis zoo UV / ozone) |
Nruab nrab-siab |
Log, bushings, machinery |
Lus Cim: Cov roj hmab hluavtaws tuaj yeem ua rau cov haujlwm tshwj xeeb. Qee hom kav ntev dua hauv qhov chaw nyuaj. Lwm tus nqi tsawg dua lossis ua haujlwm zoo dua nrog roj.
Xaiv Hom Zoo
Kev xaiv cov roj hmab hluavtaws yog nyob ntawm seb koj xav tau dab tsi. Nov yog qee cov kauj ruam los pab koj xaiv:
Tshawb xyuas ib puag ncig : Nws puas yuav ntsib cua sov, txias, hnub ci, lossis tshuaj lom neeg? Siv EPDM lossis silicone rau sab nraud. Xaiv NBR rau roj lossis roj.
Xav txog lub zog : Nws puas yuav tsum tau ncab lossis nyob ruaj khov? Polyurethane yog tawv thiab tsis hnav sai sai. Silicone nyob twj ywm hauv qhov kub thiab txias.
Saib tus nqi : SBR pheej yig thiab ua haujlwm rau ntau yam. Silicone thiab fluorocarbon raug nqi ntau dua tab sis kav ntev dua hauv qhov chaw tawv.
Sib piv kev siv : SBR thiab butyl roj hmab yog siv rau cov log tsheb. Silicone muaj kev nyab xeeb rau kev kho mob thiab zaub mov. NBR lossis fluorocarbon yog qhov zoo rau cov ntsaws ruaj ruaj.
Tshawb xyuas cov cai thiab kev nyab xeeb : Qee txoj haujlwm xav tau roj hmab uas ua tau raws li cov cai kev nyab xeeb. Nco ntsoov xyuas seb hom puas pom zoo.
Muaj ntau ntau hom hluavtaws roj hmab los xaiv. Txhua tus muaj cov yam ntxwv tshwj xeeb rau cov haujlwm sib txawv. Los ntawm kev xav txog txoj haujlwm, qhov twg nws yuav siv, thiab cov peev nyiaj, koj tuaj yeem xaiv cov roj hmab zoo tshaj plaws rau koj qhov project.
Synthetic roj hmab hom tsis yog tib yam. Ib txhia muaj zog los yog khoov dua lwm tus. Qee tus tuaj yeem ua kom sov, roj, lossis huab cua phem zoo dua. Kev xaiv hom zoo ua rau cov khoom siv tau ntev dua thiab ua haujlwm zoo. Lub rooj no pab cov neeg tsim khoom xaiv cov roj hmab zoo tshaj plaws rau txhua txoj haujlwm:
| Hom |
Cov Khoom Tseem Ceeb |
Zoo Tshaj Plaws |
| NBR |
Roj thiab roj tsis kam |
Cav seals, hoses |
| EPDM |
Huab cua thiab kub tsis kam |
vov tsev, tsheb foob |
| Neoprene |
Tshuaj thiab hluav taws kub |
Cov hnab looj tes, gaskets |
| Silicone |
Kub kub thiab yooj |
Kho mob, chav ua noj |
| Viton |
Cov tshuaj lom neeg thiab kub tsis kam |
Aerospace, O-rings |
Santoprene paub tias yog khoov thiab tawv hauv tsheb thiab khoom hauv tsev.
FAQ
Dab tsi yog qhov txawv ntawm ntuj thiab hluavtaws roj hmab?
Ntuj roj hmab los ntawm ntoo. Synthetic roj hmab yog tsim nyob rau hauv factories los ntawm cov roj chemicals. Cov roj hmab hluavtaws tuaj yeem hloov pauv rau cov haujlwm tshwj xeeb. Ob hom tuaj yeem ncab thiab rov qab mus rau lawv cov duab. Cov roj hmab hluavtaws feem ntau kav ntev dua hauv qhov chaw tawv.
Cov roj hmab hluavtaws twg zoo tshaj plaws rau cov log tsheb?
Styrene-butadiene roj hmab (SBR) thiab butadiene roj hmab (BR) yog qhov zoo tshaj plaws rau cov log tsheb. Lawv tsis hnav sai sai thiab tuaj yeem ua kom sov. Cov neeg tsim log tsheb sib xyaw SBR nrog cov roj hmab ntuj ua kom cov log tsheb muaj zog thiab kav ntev.
Cov roj hmab hluavtaws puas tuaj yeem rov ua dua?
Yog lawm, ntau hom hluavtaws roj hmab tuaj yeem rov ua dua. Santoprene yog ib qho yooj yim rau recycle. Recycling pab txiav cov khib nyiab thiab txuag cov ntaub ntawv. Qee cov roj hmab rov siv dua yog siv rau cov tsheb tshiab, cov plag tsev, lossis chaw ua si.
Vim li cas qee cov roj hmab tiv taus roj thiab tshuaj zoo dua li lwm tus?
Nitrile (NBR) thiab fluorocarbon (Viton) muaj cov tshuaj pleev tshwj xeeb. Cov no thaiv cov roj thiab tshuaj los ntawm kev ua phem rau cov roj hmab. Tias yog vim li cas lawv zoo rau cov ntsaws ruaj ruaj, hoses, thiab gaskets nyob rau hauv lub cav thiab factories.
Puas yog silicone roj hmab muaj kev nyab xeeb rau zaub mov thiab siv kho mob?
Yog lawm, silicone roj hmab muaj kev nyab xeeb rau khoom noj thiab khoom kho mob. Nws tsis hnov mob nrog cov tshuaj feem ntau thiab tuaj yeem ua rau kub kub. Cov tsev kho mob siv silicone rau cov hlab thiab cov khoom cog. Cov neeg ua zaub mov siv nws rau ci mats thiab cov cuab yeej hauv chav ua noj.
