Thaum nws los txog rau kev xaiv cov khoom tsim nyog rau koj qhov project, nws yog ib qho tseem ceeb uas yuav tsum ntsuas qhov zoo thiab qhov tsis zoo ntawm txhua qhov kev xaiv. Hauv tsab ntawv blog no, peb yuav muab piv rau ob yam khoom siv hauv kev tsim khoom thiab engineering: silicone roj hmab thiab viton.
Dab tsi yog silicone roj hmab thiab viton?
Silicone roj hmab thiab viton yog ob yam khoom uas feem ntau siv hauv kev tsim khoom thiab engineering. Lawv muaj ob qho txiaj ntsig thiab qhov tsis zoo, uas yuav tsum tau txiav txim siab thaum txiav txim siab seb yuav siv qhov twg rau lub hom phiaj tshwj xeeb.
Silicone roj hmab thiab viton yog ob hom elastomer, lossis hluavtaws roj hmab. Ob qho khoom siv feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum tau ua kom yooj, durability, thiab tsis kam mus rau tshav kub thiab tshuaj. Txawm li cas los xij, muaj qee qhov sib txawv tseem ceeb ntawm ob cov ntaub ntawv uas yuav tsum tau txiav txim siab thaum xaiv cov khoom siv rau ib qho kev thov tshwj xeeb.
Silicone roj hmab yog ib qho hluavtaws polymer ua los ntawm silicon thiab oxygen atoms. Silicone roj hmab muaj ntau yam kev siv vim nws cov khoom sib xyaw ua ke. Nws yog resistant rau huab cua kub, ob qho tib si kub thiab txias, ua rau nws yog ib tug zoo tagnrho cov ntaub ntawv rau siv nyob rau hauv daim ntawv thov qhov kub kub yog ib qho tseem ceeb. Silicone roj hmab kuj muaj cov khoom siv hluav taws xob zoo heev thiab tiv taus UV lub teeb thiab ozone, ua rau nws tsim nyog rau kev siv sab nraum zoov. Txawm li cas los xij, silicone roj hmab tsis muaj tib theem ntawm kev tiv thaiv roj av raws li viton ua.
Viton yog cov roj hmab hluavtaws ua los ntawm fluoroelastomer, uas yog copolymer ntawm vinylidene fluoride thiab hexafluoropropylene. Vinylidene fluoride yog ib tug muaj zog fluorinating tus neeg sawv cev, uas muab viton nws zoo heev tiv taus roj, fuels, thiab lwm yam roj av-raws li kua. Viton kuj tseem tiv taus qhov kub thiab txias, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv hauv gaskets thiab seals hauv cov cav tov thiab lwm qhov chaw kub. Viton tsis tawg yooj yim li silicone roj hmab thaum raug kub. Txawm li cas los xij, viton tsis muaj tib theem ntawm kev tiv thaiv UV teeb thiab ozone li silicone roj hmab ua.
Dab tsi yog qhov txawv ntawm silicone roj hmab thiab viton?
Silicone roj hmab thiab Viton muaj ob peb qhov sib txawv tseem ceeb uas ua rau lawv sib nrug. Rau ib qho, silicone roj hmab muaj qhov ua kom sov qis dua li Viton, ua rau nws zoo tagnrho rau cov ntawv thov uas tsis tas yuav tsum muaj cua sov ntau. Tsis tas li ntawd, cov roj hmab silicone feem ntau hloov pauv ntau dua li Viton, ua kom nws zoo dua rau cov ntawv thov qhov yooj yim yog qhov tseem ceeb. Thaum kawg, silicone roj hmab feem ntau raug nqi tsawg dua Viton, ua rau nws muaj kev xaiv pheej yig dua rau ntau daim ntawv thov.
Viton® yog cov roj hmab hluavtaws uas muaj kev ua tau zoo siv dav hauv O-rings, roj system thiab emission control applications. Viton® kuj tseem haum rau ntau yam kev lag luam thiab automotive thaiv hoses qhov twg yuav tsum tau tiv thaiv cov roj, roj, lubricants thiab cov tshuaj phem heev.
Silicone roj hmab yog ib qho elastomer tsim los ntawm silicone-nws tus kheej yog polymer-muaj silicon ua ke nrog oxygen, carbon, hydrogen, thiab qee zaum lwm yam tshuaj. Silicone rubbers tau siv dav hauv kev lag luam, thiab muaj ntau yam kev tsim. Silicone rubbers feem ntau yog ib lossis ob feem ntawm cov polymers, thiab tej zaum yuav muaj cov khoom siv los txhim kho cov khoom tshwj xeeb.
Dab tsi yog cov txiaj ntsig ntawm silicone roj hmab?
Silicone roj hmab muaj ntau qhov zoo dua li lwm hom roj hmab. Nws tiv taus qhov kub thiab txias, ob qho tib si kub thiab txias, thiab nws tseem yoog raws ntau qhov kub thiab txias. Nws kuj tseem tiv taus kev laus, UV teeb, ozone, thiab oxygen. Silicone roj hmab tsis tawg yooj yim, yog li nws muaj lub neej ntev.
Cov txiaj ntsig ntawm viton yog dab tsi?
Viton yog cov roj hmab hluavtaws uas siv rau ntau yam kev siv uas yuav tsum tau ua haujlwm rau qhov kub thiab txias, tshuaj, thiab roj. Nws muaj kev tiv thaiv zoo rau cov cua sov, tshuaj, thiab roj, ua rau nws zoo tagnrho rau kev sib khi daim ntaub ntawv. Viton kuj tseem tiv taus qhov txias txias dua li lwm cov roj hmab, ua rau nws zoo tagnrho rau kev siv hauv qhov chaw huab cua.
Ua li cas silicone roj hmab thiab viton sib piv ntawm cov nqi?
Muaj qhov sib txawv tseem ceeb ntawm tus nqi ntawm silicone roj hmab thiab viton. Silicone roj hmab tsis tshua kim dua li viton. Qhov sib txawv ntawm tus nqi yog vim qhov sib txawv ntawm cov nqi tsim khoom. Viton yog tsim los ntawm cov khoom siv hluavtaws, thaum silicone roj hmab yog tsim los ntawm cov ntaub ntawv ntuj.
Ua li cas silicone roj hmab thiab viton sib piv nyob rau hauv cov nqe lus ntawm durability?
Silicone roj hmab thiab viton yog ob qho tib si cov khoom siv ruaj khov. Txawm li cas los xij, viton yog qhov ruaj khov dua li cov roj hmab silicone. Viton tuaj yeem tiv taus qhov kub thiab txias dua thiab tiv taus tshuaj ntau dua, thaum silicone roj hmab hloov tau yooj yim dua thiab muaj qhov ntom ntom.
Ua li cas silicone roj hmab thiab viton piv rau cov tshuaj tiv thaiv?
Thaum ob qho tib si silicone roj hmab thiab viton tiv taus ntau yam tshuaj, muaj qee qhov sib txawv tseem ceeb ntawm ob. Viton feem ntau tiv taus cov roj thiab roj, thaum silicone roj hmab tiv taus dej thiab cua sov. Hais txog cov tshuaj tshwj xeeb, viton muaj peev xwm tiv taus acetic acid, acetone, thiab ntxhia roj, thaum silicone roj hmab muaj peev xwm tiv taus benzene, Freon, thiab peroxide.
Ua li cas silicone roj hmab thiab viton sib piv nyob rau hauv cov nqe lus ntawm kev tiv thaiv tshav kub?
Silicone roj hmab tuaj yeem tiv taus kub txog 180 ° C (356 ° F), thaum viton tuaj yeem tiv taus kub txog 200 ° C (392 ° F). Nyob rau hauv cov nqe lus ntawm tsis kam mus rau tshav kub, viton yog zoo dua haum rau daim ntaub ntawv uas yuav tsum tau txuas mus rau qhov kub thiab txias.
