Niaj hnub no, muaj ntau yam khoom sawv tawm hauv kev txhim kho cov thev naus laus zis thiab kev lag luam, thiab PTFE raj yog ib qho ntawm cov khoom no uas ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw. Tab sis koj puas tau pom qhov laus ntawmPTFE raj? Kev ua haujlwm ntawm PTFE cov raj kuj tseem yuav raug txo qis tom qab laus. Yog li ntawd, yuav tsum tau ua ntau yam kev ntsuas los tiv thaiv kev laus ntawm theem tom qab ntawm kev tsim cov raj PTFE. Kev laus ntawm PTFE cov raj yog qhov ntuj thiab tsis tuaj yeem tiv thaiv tau, tab sis tib yam koj tuaj yeem ua tau yog qeeb qeeb qhov kev laus ntawm Cov raj PTFE. Yuav kom pab qeeb qeeb qhov kev laus ntawm cov raj PTFE, koj yuav tsum txhawb kev saib xyuas hauv kev siv cov raj PTFE thiab ua ntau yam kev ntsuas los tiv thaiv qhov xwm txheej no. Ntawm noBesteflon muab plaub txoj hauv kev tseem ceeb rau koj kom qeeb qeeb qhov kev laus ntawm koj lub raj PTFE.
1. Thaum xaiv cov khoom siv loj ntawm PTFE cov raj, koj yuav tsum siv cov tshuaj sulfur curing system thaum twg ua tau. Vim nws cov roj hmab vulcanized tiv taus cua sov, nws tuaj yeem hloov kho los ntawm kev txo lossis zam kev siv cov tshuaj sulfur elemental, uas tuaj yeem txo lossis tshem tawm cov polysulfide crosslinks thiab tsim cov monosulfide lossis disulfide crosslinks feem ntau, yog li qeeb qeeb kev laus ntawmPTFE cov raj.
2. Yuav kom paub tseeb tias cov khoom siv ua tau raws li qhov kub uas xav tau, yuav tsum siv cov peroxide. Hauv qhov no, peroxide vulcanization tsim cov pa roj carbon uas muaj kev ruaj khov zoo dua thiab cov pa roj carbon sib txuas.
Cov chaw tsim khoom PTFE raj kuj sau tseg tias koj yuav tsum tau them sai sai rau lwm cov khoom ntxiv hauv kev siv peroxides. Piv txwv li, kev xaiv cov tshuaj antioxidants yuav tsum nruj dua, vim tias ntau ntawm lawv cuam tshuam rau vulcanization ntawm peroxides. Yog li ntawd, koj tuaj yeem siv roj paraffin, ib qho khoom ntxiv zoo uas yuav tsis cuam tshuam rau peroxide vulcanization.
3. Ntxiv rau, txhawm rau tiv thaiv kev faib ntawm cov peroxide cation thiab zam kev vulcanization qis dhau ntawm cov hose siab (qhia los ntawm qhov nyuaj qis dua, modulus qis dua thiab kev sib sau siab dua thiab kev hloov pauv mus sij hawm ntev), koj yuav tsum siv peroxide los txo cov kua qaub ntau dhau. Yog tias ua tau, kev ntxiv cov alkaline sib xyaw (piv txwv li zinc oxide lossis magnesium oxide) feem ntau txhim kho qhov kev sib txuas ntawm peroxide.
4. Thaum tsim khoomPTFE cov raj, qee cov khoom ntxiv tuaj yeem ntxiv, xws li cov tshuaj antioxidants, thiab cov tshuaj alkaline, thiab lwm yam, kom txhim kho kev sib txuas ntawm cov peroxides thiab ncua kev laus ntawmPTFE cov raj.
Lub sijhawm tshaj tawm: Lub Xya Hli-11-2023