Ua tiav qhov chaw nyob tshiab lossis ua haujlwm kho kom zoo ib yam, ntau tus neeg tsim khoom, thaum nrhiav cov ntaub ntawv muaj txiaj ntsig, feem ntau xav tsis thoob tias cov khoom tiav xws li primer yog rau, thiab seb nws puas tuaj yeem faib nrog. Tau kawg, tsis muaj dab tsi tiv thaiv koj los ntawm kev tsis saib xyuas daim ntawv thov ntawm qhov sib tov no, txawm li cas los xij, qhov kawg tshwm sim ntawm tag nrho cov kev siv ntxiv nrog kev ua tiav ntawm ib qho chaw ntawm chav tsev yuav tig tawm mus deb ntawm qhov zoo tagnrho. Qhov no feem ntau yog vim qhov tseeb tias qhov kev daws teeb meem no ua lub luag haujlwm tseem ceeb hauv kev ua tiav. Yog li ntawd, ib tug yuav tsum xav txog qhov nthuav dav nws cov khoom thiab hom, nrog rau kev tsom mus rau ntev npaum li cas cov primer dries, vim tsis ua raws li qee lub sij hawm thav ntawv tuaj yeem cuam tshuam qhov zoo li tsis zoo.
Yuav tsum siv cov primer
Yog tias qhov chaw raug kho nrog qhov sib xyaw kom raug, cov khoom tiav xws li xim, mastic, hniav plaster, thiab lwm yam, yuav pw ntawm nws zoo dua. Tsis tas li ntawd, yuav luag txhua txhua primer yog enrichedtshwj xeeb antifungal Cheebtsam uas muaj cov nyhuv antiseptic thiab tiv thaiv cov tsos ntawm pwm. Kev xaiv ntawm ib qho kev daws teeb meem yog cuam tshuam los ntawm hom chav tsev, nrog rau cov yam ntxwv ntawm qhov chaw yuav tsum tau kho.
Yog tias cov primer tsis raug xaiv kom raug, tsis tsuas yog muaj kev hem thawj tam sim rau qhov zoo ntawm kev kho, tab sis kuj muaj kev phom sij rau kev noj qab haus huv, txij li cov khoom sib xyaw uas tsis yog siv rau hauv tsev. thaj chaw tuaj yeem muaj tshuaj lom heev.
Sab nraud, txhua tus primer, cov yam ntxwv ntawm uas, txawm li cas los xij, yuav txawv, yog cov kua sib xyaw ua ke nrog cov polymers thiab lwm yam khoom siv tau zoo. Nws lub hom phiaj tseem ceeb yog lub hauv paus rau lwm cov txheej txheem. Vim tias tsis muaj cov khoom siv kho kom zoo nkauj, cov kev daws teeb meem no yeej tsis siv rau lub hom phiaj ntawm lub ntsej muag, uas, txawm li cas los xij, tsis ua rau txo qis qhov xav tau ntawm lawv siv.
Qeb ntawm primers
Thaum ua ntej nws yog kev cai siv tib lub primer rau ntau yam kev kho, niaj hnub no, ua tsaug rau kev tsim cov thev naus laus zis thiab kev xaiv dav, koj tuaj yeem siv cov tshuaj uas haum rau ntau lub hom phiaj.
Raws li tau hais los saum toj no, hom primer yuav tsum tau siv yog nyob ntawm hom kev kho deg, nrog rau cov xwm txheej hauv chav tsev, tshwj xeeb yog hais txog cov av noo.
Raws li txoj cai, cov khoom tseem ceeb ntawm txhua qhov sib xyaw yog cob, bitumen,ntau hom kua nplaum thiab roj, nrog rau cov tshuaj reagents tshwj xeeb. Nws yog raws li qhov tshwj xeeb additives yog siv uas muaj ib tug faib ntawm cov khoom nyob rau hauv nqe lus nug rau hauv cov nram qab no pawg:
- Acrylic-based compound (siv tau zoo thiab haum rau yuav luag txhua qhov chaw);
- alkyd mix (tej zaum yuav siv rau cov tawv nqaij tawv zoo li PVC, pobzeb lossis hlau);
- aqueous tov (cov khoom tsis muaj xim haum rau kho kom zoo nkauj sab hauv nkaus xwb);
- primer, cov khoom tseem ceeb uas yog cov ntxhia (muaj cov cement thiab tsuas yog siv tau los ua haujlwm nrog pob zeb lossis cib, thiab tseem ua haujlwm rau thaj tsam xav tau);
- cov qauv tshwj xeeb heev.
Tau kawg, txhua qhov sib tov yuav tsum tau xaiv ib tus zuj zus, tab sis nws tsim nyog hais txog, tej zaum, xws li kev daws teeb meem xws li acrylic primer, universal system uas ua rau nws tseem ceeb heev.
Ntev npaum li cas cov primer qhuav
Paub lub sijhawm xav tau rau cov tshuaj no kom qhuav tag yog xav tau rau ntau yam. Yog li, tsuas yog thaum kawg ntawm polymerization, koj tuaj yeem pib theem tom ntej ntawm kev ua tiav. Cov ntaub ntawv ntxaws ntxaws yuav pab koj npaj koj lub sijhawm kom zoo thiab siv nws raws li kev xav tau. Cov kev tshuaj xyuas nco ntsoov tias qhov no tseem ceeb tshwj xeeb tshaj yog thaum kho qhov loj, thaum suav txhua feeb.
Txhawm rau kom paub tias ntev npaum li cas cov primer dries, nws yog ib qho tsim nyog los kawm txog cov yam ntxwv cuam tshuam rau cov txheej txheem no, nrog rau kom nkag siab txog cov yam ntxwv ntawm polymerization ntawm ib lossis lwm qhov.solution.
Yam cuam tshuam rau kev ziab ntawm primer mixs
Yuav kom nkag siab ntev npaum li cas nws yuav siv qhov kev daws teeb meem kom nruj, koj tuaj yeem ua cov hauv qab no: los ntawm kev txhais cov qauv uas cuam tshuam rau lub sijhawm no. Ntawm lawv yog cov hauv qab no:
- Lub ntsiab ntawm cov khoom xyaw. Nyob rau hauv cov ntaub ntawv uas lub sij hawm evaporation ntawm cov kuab tshuaj siv nyob rau hauv cov sib tov yog luv luv, thiab muaj ntau cov khib nyiab, primer yuav qhuav sai sai. Nws yuav tsum tau muab sau tseg tias nyob rau hauv raws li qhov teeb meem no, dej-raws li kev daws teeb meem yog tsis tshua muaj txiaj ntsim, vim hais tias nyob rau hauv xws formulations cov kuab tshuaj evaporate sai heev.
- Txoj kev ncaj ncees ntawm lub hauv paus. Txhua yam yog qhov tseeb tiag ntawm no: qhov sib sib zog nqus tob tob nkag mus rau hauv, qhov ntev ntawm cov txheej txheem evaporation yuav tshwm sim. Teb cov lus nug txog ntev npaum li cas cov primer dries ntawm cov phab ntsa ntawm cov khoom siv tshwj xeeb, nws yuav tsum tau muab sau tseg tias cov thawj coj yog cov txheej txheem saum npoo, vim qee zaum nws tuaj yeem ua tiav qhov yuav tsum tau ua rau thaj tsam saum toj ntawm lub mortar hauv ib teev. tom qab nws daim ntawv thov.
- huab cua hauv chav. Nws yuav yog qhov zoo tshaj plaws los siv primer nyob rau hauv ib chav uas qhov kub thiab txias nyob rau hauv thaj tsam ntawm +15 txog +30 ° C, thiab cov av noo tsis tshaj 80%. Yog tias cov ntsuas sib txawv, tom qab ntawd cov polymerization yuav siv sijhawm ntev dua, thiab qee zaum cov tshuaj yuav tsis tuaj yeem qhuav tag nrho.
Koj yuav tsum tsis txhob hnov qab tias kev sib zog ua kom nrawm heev kuj yuav tsis muaj txiaj ntsig rau kev sib xyaw, vim tias yog hom kev ua txhaum cai, nplaumCov khoom muaj zog heev, thiab lub hauv paus tuaj yeem deform.
Polymerization sij hawm ntawm formulations
Raws li hom khoom siv thiab lub sijhawm ntawm polymerization, cov nram qab no hom primer txawv:
- Quick-qhuav mix. Cov no suav nrog, ua ntej ntawm tag nrho cov, alkyd kev daws teeb meem. Cov tshuaj no muaj cov tshuaj toxicity siab, tab sis cov xim tuaj yeem siv rau lawv tom qab lub sijhawm luv luv. Thaum ua haujlwm nrog lawv, nws tseem ceeb heev uas yuav tsum siv lub tshuab ua pa, tsom iav thiab hnab looj tes.
- Nquag ziab khaub ncaws. Feem ntau, txhawm rau kom paub tias ntev npaum li cas cov primer dries, koj yuav tsum tau nyeem cov lus qhia muab los ntawm cov chaw tsim khoom. Raws li txoj cai, cov khoom sib xyaw no yuav tsum tau tso tseg rau lub sijhawm 4 txog 6 teev.
- Cov tshuaj kom qhuav maj mam. Cov ntaub ntawv no suav nrog cov khoom siv roj. Feem ntau, qhov chaw kho nrog qhov sib tov yog tso kom qhuav rau tsawg kawg ib hnub.
Yuav ua li cas thiaj siv tau primer zoo
Raws li txoj cai, cov lus nug no tshwm sim rau cov neeg uas txiav txim siab ua kom tiav qhov chaw ntawm lawv tus kheej, uas yog, tsis muaj kev pabcuam los ntawm cov kws tshaj lij. Yuav kom paub seb ntev npaum li cas cov primer dries ntawm phab ntsa, koj yuav tsum nco ntsoov ib qho kev thov txheej txheem.
Lub algorithm ntawm tag nrho cov hauj lwm yog raws li nram no:
- Nws tseem ceeb heev uas yuav tsum ua raws li cov lus pom zoo thiab cov lus qhia ntawm cov chaw tsim khoom. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau cov txheej txheem ntawm diluting qhov sib tov mus rau qhov xav tau sib xws, txij li, piv txwv li,tuab heev cov tshuaj tuaj yeem qhuav rau lub sijhawm ntev heev, ntxiv rau, kev npaj tsis raug ntawm cov muaj pes tsawg leeg feem ntau ua rau poob ntawm tag nrho nws cov khoom nplaum.
- Thaum kho qhov chaw nrog cov primer, nws yog ib qho tseem ceeb kom tsis txhob muaj cov tsos ntawm streaks thiab tee, thiab cov khoom nws tus kheej yog qhov zoo tshaj plaws siv nyob rau hauv ib tug nyias txheej nrog cov menyuam thiab txhuam.
- Kev siv cov sib tov sib xyaw rau ntawm lub qhov ntxeem tau substrate yuav tsum tso cov tshuaj khib hauv ntau qib. Nyob rau tib lub sijhawm, nws yog ib qho tseem ceeb tsis txhob hnov qab tias qhov saum npoo yuav tsum tau npog lub sijhawm thib ob sai ua ntej qhov kawg ziab ntawm thawj txheej.
Zoo haum rau ziab cov compound
Cov neeg kho kom zoo nkauj sab hauv pom zoo kom ua tib zoo saib qee cov lus pom zoo kom cov primer, uas nws cov universal yog undeniable, dries sai dua thiab zoo dua.
Yog tias lub hauv paus rau kev ua haujlwm yog cov nplaum nplaum nplaum, ces koj tuaj yeem kho cov phab ntsa ntawm qhov chaw uas tsis tau qhuav tag.
Yog siv cov tshuaj tiv thaiv, uas raug nqi me ntsis tab sis muaj cov ntsiab lus siab dua, nws yog qhov zoo tshaj kom tawm hauv thaj chaw kho mob li 4 teev.
Cov lus qhia zoo tshaj plaws rau cov neeg xav paub ntev npaum li cas cov primer dries ua ntej wallpapering yog cov hauv qab no: siv cov khoom sib xyaw rau yav tav su, thiab ua kom tiav ntxiv rau tag kis sawv ntxov, uas yog, tawm ntawm cov khoom tsawg kawg yog 8 teev.. Nrog rau txoj kev no, raws li tau hais nyob rau hauv kev tshuaj xyuas, cov muaj pes tsawg leeg yuav twv yuav raug hu qhuav zoo, thiabtsis muaj qhov tsis zoo yuav tshwm sim ntawm nws qhov chaw.
Ua raws li cov cai thaum lub sij hawm ziab ntawm primer
Thaum ua haujlwm nrog cov khoom sib tov, nws tseem ceeb heev uas yuav tsum ua raws li cov cai no:
- nws tsis pom zoo kom tso cai rau qhov sib txawv ntawm qhov kub thiab txias hauv chav tsev;
- nws yog ib qho tseem ceeb heev kom tsis txhob muaj, txawm tias cov ntawv me me, txwv tsis pub lub tsho tiv no yuav qhuav tsis sib xws;
- Nws yog kev phom sij rau cov txheej txheem kom ceev txheej txheem ntawm cov cua sov lossis lwm yam khoom siv uas sov (qhov no yuav tsis ua rau lub sijhawm tos adhesion ntawm qhov sib tov rau hauv paus).
Tag nrho cov lus qhia saum toj no yuav pab teb cov lus nug txog ntev npaum li cas cov primer dries, thiab kev ua raws li cov cai ntawm kev ua haujlwm yuav yog tus yuam sij rau kev ua tiav zoo thiab ruaj khov.
