2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-15 04:12
Hauv txhua hom kev pleev xim, muaj ib txoj cai tseem ceeb - ua ntej thov rau saum npoo ntawm qhov ua tiav, nws yuav tsum tau ntxiv cov txheej txheej. Ua tsaug rau qhov no, qhov saum npoo ua kom ruaj khov dua, thiab tseem txhim kho cov nplaum rau cov khoom siv tiav. Qhov ntau yam tshaj plaws thiab nrov tshaj plaws yog cov alkyd primer. Nws yog qhov zoo rau ob qho tib si hlau thiab ntoo.
Scope ntawm kev siv
Ib qho primer tau siv los txhim kho qhov zoo ntawm qhov chaw npaj rau kev ua tiav.
Tom qab ua ntawv thov alkyd primer, kho qhov chaw yuav nqus cov xim tsawg dua. Alkyd primer ua kom tiav qhov me me thiab qhov tawg, ua rau saum npoo muaj zog dua. Yog li ntawd, cov tshuaj txhuam thiab cov xim pleev xim rau sab nrauv kho kom khov kho thiab tsis txhob ya tawm.
Alkyd primer yog siv los ua ntoo, hlau, ua vaj tsev . Cov primer tsim cov yeeb yaj kiab tiv thaiv zoo rau saum npoo. Nws yuav siv sijhawm kwv yees li 24 teev rau cov primer kom qhuav tag. Tom qab ua tiav kev ua haujlwm tiav, pleev xim, kua nplaum los yog putty twb tuaj yeem siv rau saum npoo.
Polymer alkyd primer yog tsim rau siv nyob rau sab nrauv thiab sab hauv ua haujlwm tiav. Nws yog siv los npaj cov xim rau pleev xim rau, pleev xim rau phab ntsa thiab pleev xim.
Tsis txhob siv hom primer no rau ntawm qhov chaw gypsum thiab siv nws mus rau txheej txheej ntawm plaster. Alkyd primer yuav tsum tau muab pov tseg txawm hais tias lub ntsej muag yuav tsum tau kho yog tawg thiab tawg.
Nta thiab yam ntxwv
Alkyd primers muaj txiaj ntsig vim tias lawv txhim kho cov nplaum ntawm cov ntaub ntawv thiab nce kev tiv thaiv ntawm qhov chaw kom ya raws.
Lwm qhov tseem ceeb ntawm kev tsim cov tshuaj alkyd yog kev ua haujlwm ntawm tshuaj tua kab mob, uas tso cai rau koj kom tsis txhob muaj qhov xwm txheej tsis zoo li pwm thiab kab mob fungal.
Lub ntsiab zoo thiab tus yam ntxwv ntawm txhua tus alkyd primers:
- khaws cia tag nrho cov khoom ntawm qhov kub xws li -40 txog +60 C;
- qhov tsawg ntawm kev siv cov khoom tiav;
- txhim kho qhov zoo ntawm qhov chaw, ua rau lawv tiv taus cov neeg ua haujlwm nyuaj thiab tshuaj lom neeg;
- zoo tagnrho rau kev ua ntoo, txij li cov alkyd muaj pes tsawg leeg tsis ua rau cov ntoo ntawm cov ntoo xoob, thiab tseem tiv thaiv cov ntoo los ntawm kev o nyob hauv qhov dej noo;
- kev tiv thaiv saum npoo ntawm cov xim pleev xim ntoo los ntawm kev nthuav tawm ntawm thaj chaw cob;
- txhim kho adhesion;
- tiv thaiv corrosion;
- tiv thaiv kev tsim cov pwm thiab kab mob;
- tus nqi pheej yig.
Ntau yam ntawm alkyd primers
Muaj ntau hom alkyd primers uas sib txawv hauv lawv cov khoom thiab thaj chaw siv.
Cov neeg nyiam tshaj plaws thiab feem ntau yog:
Glivtalium hmoov , uas yog siv los ua cov hlau thiab ntoo, zoo heev rau kev ua tiav sab nrauv thiab sab hauv, tiv thaiv cov nplaim los ntawm xeb, qhuav rau ib hnub ntawm qhov kub ib puag ncig ntawm 18 txog 22 degrees Celsius. Lub ntsiab tseem ceeb yog lub peev xwm los txhim kho qhov xim ntawm cov xim uas yuav siv rau saum. Qhov tseem ceeb tshaj plaws yog xaiv cov av zoo. Yog tias koj yuav siv cov xim pleev xim dawb, nws zoo tshaj yog tias cov tshuaj pleev xim dawb. Nws yog ib qho tseem ceeb heev kom paub tseeb tias cov primer qhuav tag ua ntej thov pleev xim, txwv tsis pub cov xim yuav curdle thaum cuam tshuam nrog cov glivtal primer.
Perchlorovinyl primer - lub ntsiab tseem ceeb ntawm cov khoom siv yog tias nws haum rau kev ua haujlwm sab nraum zoov xwb, vim nws muaj qhov ua tau zoo ntawm kev muaj tshuaj lom. Qhov sib xyaw ua ke no yog qhov muaj ntau yam tshaj plaws, nws tuaj yeem siv rau yuav luag txhua hom ntawm qhov chaw, suav nrog cov pob zeb ua ke, thiab txawm tias dhau ntawm cov plaster. Vinyl Perchloric acid primer tuaj yeem thov hla xeb, uas nws hloov mus ua ib txheej ntxiv tiv thaiv.
Cov primer qhuav kom sai li sai tau - cia rau hauv ib teev (ntawm qhov kub ntawm 19-21 degrees Celsius). Cov primer no tiv taus cov tshuaj. Tus nqi ntawm perchlorovinyl primer siab dua li ntawm glivtalium.
Alkyd urethane primer muaj lub zog siab tshaj plaws, lub zog siab tshaj plaws thiab tiv taus cov yam ntxwv cuam tshuam. Lub ntsiab kom zoo dua yog hnav siab ua haujlwm. Qhuav hauv tsuas yog 30 feeb. Yuav siv tau los ua kom tiav cov ntoo thiab cov hlau sab hauv tsev thiab sab nraum zoov. Nws yog feem ntau siv hauv kev kho tshuab.
Alkyd-acrylic sib tov muaj cov neeg nyiam tshaj plaws. Muaj cov nplaum siab, tiv thaiv ntoo los ntawm kev lwj thiab pwm, nkag mus rau hauv cov txheej tob ntawm cov ntoo. Nws yog dej-raws li nws tsis muaj ntxhiab tsw, thiab nws tseem tiv thaiv cov hlau los ntawm kev xeb. Cov sib xyaw ua kom qhuav sai heev - hauv ib teev ntawm qhov kub ntawm 22-23 degrees Celsius.
Ntawm kev muag khoom koj tuaj yeem pom txhua hom alkyd primers los ntawm ntau lub chaw tsim khoom. Txawm li cas los xij, ib qho ntawm cov neeg nyiam tshaj plaws niaj hnub no yog cov av zoo. Hauv Is Taws Nem, koj tuaj yeem pom ntau tus neeg siv khoom tshuaj xyuas zoo txog cov khoom lag luam ntawm lub tuam txhab no.
Cov lus xaus, peb tuaj yeem txiav txim siab tias alkyd primer yog tus lej ntawm cov lej, cov khoom uas txawv me ntsis. Lawv tau tsim los rau kev ua ntoo, hlau thiab lwm yam nto. Txhua hom alkyd primers nce lub zog ntawm cov chaw kho, lawv cov nplaum, thiab tseem muaj cov tshuaj tua kab mob thiab ntau lwm yam khoom.
Yog li, cov av sib xyaw ua ke ua rau muaj kev tiv thaiv ntawm cov nplaim thiab ua tiav rau ntau yam kev cuam tshuam tsis zoo, txuas ntxiv lawv lub neej kev pabcuam. Qhov tseem ceeb tshaj plaws yog nrhiav kom tau hom av zoo, uas yuav zoo rau kev kho thaj chaw tshwj xeeb.
Pom zoo:
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