2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Cov nplais pob zeb tuaj yeem txiav txim siab qee qhov muaj zog tshaj thiab ruaj khov tshaj plaws. Ib txoj kev los sis lwm qhov, lawv kuj tseem muaj kev phom sij. Qhov ntsuas kub poob qis, ua txhaum cov thev naus laus zis hauv kev tsim cov tshuaj khib, raug dej noo yog yam uas ua rau tawg hauv pob zeb. Qhov tsis xws luag tsis tsuas yog ua rau pom qhov zoo nkaus xwb, tab sis tseem muaj kev phom sij: noo noo nkag mus rau lawv yooj yim dua, thiab cov kua ntau dhau tuaj yeem cuam tshuam kev puas tsuaj ntawm cov pob zeb. Tsis tas li, cov kab mob fungal lossis pwm tuaj yeem tshwm sim los ntawm qhov ntub dej.
Hauv cov xwm txheej zoo li no, tus khub uas yuav pab tau kom ntseeg tau ruaj khov cov kab nrib pleb thiab cov nqaws yuav yog cov foob pob zeb. Nrog rau qhov cuab yeej no, koj tuaj yeem khov kho lub qhov thiab tiv thaiv kom tsis txhob ya raws thiab roj cua nkag mus rau hauv.
Peculiarities
Lub foob yog cov nplaum ua kom zoo li cov khoom sib xws. Lawv tau tsim los ntawm cov polymers. Ntxiv rau, muaj qhov sib txawv hauv kev sib xyaw. Yog li, piv txwv li, koj tuaj yeem yuav lub foob uas muaj acrylic lossis silicone. Nyob ntawm seb cov tshuaj twg suav nrog hauv qhov muaj pes tsawg leeg ntawm cov cuab yeej no, txoj hauv kev ntawm lawv siv kuj hloov pauv.
Cov cuab yeej no muaj ntau yam zoo . Lawv muaj cov dej tsis kam zoo, ua kom khov, ua tsis tau zoo, tiv taus ntau yam tsis zoo ib puag ncig. Yog tias koj siv lub foob kom raug thiab ua tib zoo, qhov txiaj ntsig yuav yog qhov ua tau ntev thiab muaj zog ntawm koj txoj haujlwm.
Acrylic sealant tau suav tias yog ib qho kev tsim nyog tshaj plaws rau kev kho cov pob qij txha hauv pob zeb ua ke. Silicone sealant tseem yuav ua haujlwm. Lawv tiv taus ntau yam kev puas tsuaj ib puag ncig.
Adhesion
Hauv cov txheej txheem ntawm kev ua haujlwm tsim kho, kev ua vaj tsev yog ib qho tseem ceeb tshaj plaws. Feem ntau ntawm cov txheej txheem tseem ceeb ntawm lub tsev suav nrog nws: hauv paus, hauv pem teb, phab ntsa. Tsis tas yuav hais, yuav muaj dab tsi tshwm sim yog tias cov kua ntau dhau nkag mus rau qhov tawg?
Hauv cov txheej txheem no, kev ua raws lub luag haujlwm tshwj xeeb, uas yog, kev sib txawv ntawm lub cev sib txawv. Hauv peb qhov xwm txheej, qhov yuav tsum tau kho thiab lub foob.
Lwm qhov chaw haum rau kev ua:
- ntoo;
- tin;
- pob zeb;
- cib;
- ceramics;
- yas;
- non-ferrous thiab ferrous hlau.
Ntau yam ntawm sealants
Muaj ntau yam sib txawv ntawm cov foob pob zeb thiab lawv cov kev faib tawm.
Cov foob tuaj yeem raug cais raws li lawv hom kev ua
- Sab nrauv . Raws li qhov tshwm sim ntawm lawv siv, cov yeeb yaj kiab tsis muaj zog tau tsim los ntawm lub hauv paus, uas tsis tso cai rau kev nkag mus ntawm cov neeg sab nraud. Nyob ntawm seb lub foob siv, zaj duab xis tuaj yeem yog matte lossis ci.
- Nkag mus . Lawv ua tiav npog qhib thiab tiv thaiv ntau yam xwm txheej ib puag ncig.
Lawv kuj sib txawv hauv cov khoom uas yog ib feem ntawm:
- silicone;
- acrylic;
- polyurethane;
- silicate;
- roj hmab butyl;
- bitumen;
- polysulfides.
Cov seal tseem tuaj yeem raug cais raws li cov qauv ntawm lawv txoj kev npaj siv
- Ib-thooj lossis ib-thooj . Cov peev txheej no twb tau npaj siv lawm: lawv tsis xav tau kev cuam tshuam ntxiv ua ntej ua haujlwm.
- Ob-thooj lossis ob-thooj . Cov sealants no xav tau kev npaj ua ntej siv. Ua ntej siv lawv, nws tsim nyog kawm kom zoo cov cuab yeej sau los ntawm cov chaw tsim khoom ntawm lub ntim lossis lub tog raj kheej.
Muaj ntau ntau yam kev ntsuas uas hom foob tau tsim.
Los ntawm txoj kev tawv:
- tsis tawv (los ntawm lawv cov khoom lawv zoo li roj hmab);
- ziab tawm (tawv dhau lub sijhawm);
- vulcanizing;
- polymerization.
Los ntawm txoj kev thov:
- spatulas (thov siv spatula);
- txhuam (txhuam yuav tsum tau siv lub foob);
- txhaws (siv cov cuab yeej tshwj xeeb, piv txwv li rab phom).
Dua li qhov tseeb tias muaj ntau qhov sib txawv ntawm kev faib tawm, feem ntau cov ntawv foob tau muab faib ua ib qho thiab ob feem. Yog li ntawd, nws yuav yooj yim dua los txiav txim siab lawv cov khoom tshwj xeeb siv tus piv txwv ntawm cov foob tshwj xeeb no.
Ib-tivthaiv
Feem ntau, cov ntawv foob no txhais tau tias yog ua los ntawm silicone. Nov yog hom kab mob feem ntau thiab siv yuav luag thoob plaws ntiaj teb. Lawv muaj tus lej ntawm qhov zoo thiab qhov ua tau zoo.
Pros:
- siab tiv taus rau ntau yam huab cua;
- tiv taus kom qis heev thiab kub heev;
- kav ntev;
- tiav impermeability;
- zoo adhesion rau feem ntau qhov chaw;
- tiv taus ultraviolet hluav taws xob, uas muaj cov txiaj ntsig puas tsuaj;
- elasticity
Minuses:
- koj tsis tuaj yeem thov lwm txheej txheej foob (yog tias nws yog qhov yuav tsum tau muab ntim, koj yuav tsum tau ntxuav qhov saum npoo ntawm lub foob qub);
- silicone sealants yuav tsum tsis txhob pleev xim, vim cov xim pib flake tawm, txawm li cas los xij, cov xim muaj peev xwm muab ntxiv ua cov khoom ntxiv ua ntej thov siv lub foob;
- tsis tuaj yeem siv hauv chav nrog qib siab ntawm cov av noo.
Tam sim no, ntawm kev ua lag luam rau cov khoom tsim khoom thiab kev pabcuam, koj tuaj yeem yuav tsis tsuas yog tus qauv pob tshab pob tshab, tab sis kuj muaj xim. Ntxiv mus, xim xim muaj rau cov neeg yuav khoom yog dav heev.
Ob-feem
Lawv tsis tuaj yeem hloov pauv tau thaum ua haujlwm nrog ntau qhov chaw, tshwj xeeb tshaj yog cov pob zeb, cov nplaum. Lawv tuaj yeem siv los kho qhov tawg ntawm ntau qhov ntau thiab qhov hnyav. Lawv tau tsim los ntawm kev ntxiv cov tshuaj reagents mus rau cov tshuaj ua tiav raws li qee feem, yog li kev ua tsis raug tuaj yeem ua rau qhov txiaj ntsig puas.
Cov foob uas nrov tshaj plaws ntawm hom no yog thiokol lossis polysulfide.
Tom qab lawv daim ntawv thov, txheej txheem txheej txheem polymerization sai .txawm li cas los xij, qhov me me tuaj yeem tshwm sim tom qab ob peb hnub. Cov yeeb yaj kiab tsis muaj zog, muaj zog tshwm uas tsis tso cai rau cov kua qaub thiab alkalis, tshuaj lom neeg, roj, rog thiab roj av hla mus. Vim tias cov khoom no ntawm cov tshuaj polysulfide, lawv tau siv hauv cov chaw muag roj, chaw pabcuam, chaw khaws khoom thiab chaw uas nws cov haujlwm muaj feem cuam tshuam nrog hluav taws xob. Tsis tas li, cov nplaum no tau siv hauv kev ua kom muaj zog ci iav. Qhov kub thiab txias uas koj tuaj yeem ua haujlwm nrog cov khoom no yog qhov siab heev: los ntawm -50 txog + 130 ° C.
Pros:
- ruaj khov yog siv kom raug;
- zoo adhesion rau ntau yam khoom siv: los ntawm ntoo mus rau ceramics;
- kev pab tsim cov qauv ruaj khov;
- kev kub ceev ntawm solidification.
Minuses:
- qhov xav tau kom raug soj ntsuam qhov sib piv thaum tsim khoom;
- ua haujlwm nrog tshuaj;
- yog tias koj ua yuam kev hauv tus txheej txheem, nws yuav tsis zoo rau siv lub foob uas ua los;
- koj yuav tsum tau ua haujlwm sai nrog cov txiaj ntsig tau tshwm sim, txij li nws tawv tawv sai.
Thaum ua haujlwm nrog ob-tivthaiv foob, nws tseem ceeb heev kom tsis txhob kov daim tawv nqaij. Qhov tshwm sim tsis zoo ntawm kev tsis ua raws txoj cai no tuaj yeem yog tshuaj lom.
Thov
Ob-ntu foob yuav tsum tau npaj ua ntej. Nyeem cov lus qhia kom zoo thiab ua raws nraim li cov thev naus laus zis uas tau piav qhia los ntawm cov chaw tsim khoom ntawm pob khoom lossis ntim khoom. Yeej txhua yam koj yuav tsum tau ua yog sib tov cov kua nplaum nrog cov tshuaj ua kom tawv, tab sis nco ntsoov tias qhov sib piv yog qhov tseem ceeb. Qhov ntom ntom ntom ntom ntom ntom yog nyob ntawm qhov hnyav npaum li cas koj ntxiv. Lwm yam tshuaj yuav siv tau.
Ua ntej koj pib ntim khoom, koj yuav tsum ua tib zoo npaj cov nplaim . qhob los yog, piv txwv li, hlau. Txhawm rau ua qhov no, koj yuav tsum tau ntxuav nws ntawm cov av, plua plav, roj, plaster thiab lwm yam ntaub ntawv, thiab tom qab ntawv thov ua ntej ntawm qhov tawg. Yog tias qhov no muaj teeb meem, qhov tawg yuav tsum tau nthuav dav. Tom ntej no, nws yog qhov tsim nyog kom ntseeg tau tias cov nqaws tau zoo txaus nrog cov khoom. Qhov no yuav tsim kom muaj cov nplaum zoo ntawm lub foob rau thaj chaw kho.
Tom ntej no, nws tseem yuav siv cov khoom sib khi. Txhawm rau kom yooj yim thiab yooj yim ntawm cov txheej txheem no, koj tuaj yeem siv rab phom. Qhov no ua rau txhaws qhov khoob hauv pob zeb yooj yim dua.
Qhov ntsuas tau zoo rau kev ua haujlwm yuav tsum tsis txhob qis dua -10 ° C. Txwv tsis pub, cov txheej txheem tawv ntawm lub foob rau kev ua haujlwm sab hauv yuav raug ncua ntev dua. Cov qib kub ntau dua, nws nrawm dua.
Qee hom kev tsim qauv yog rhiab rau nag lossis daus. Hauv cov xwm txheej zoo li no, nws tsim nyog muab kev tiv thaiv los ntawm cov xwm txheej huab cua tsis zoo.
Tom qab cov txheej txheem ua tiav tiav, ua kom lub cua nkag mus rau hauv chav.
lus xaus
Yog tias cov nplaim tawg, tom qab ntawd cov dej sib khi tsis sib haum yuav tuaj yeem pab txhawm rau txhim kho qhov ua tau zoo ntawm qhov tsis xws luag. Nws yuav pab koj kho lub nplhaib, pob qij txha thiab nqaws los ntawm sab hauv.
Muaj ntau ntau yam sib txawv ntawm cov foob, txhua tus uas tau siv hauv daim ntawv thov tshwj xeeb. Txhawm rau xaiv cov cuab yeej raug, nws tsim nyog tshuaj xyuas nws cov yam ntxwv. Thiab kev thov qee yam ntawm lawv tuaj yeem nyuaj los ntawm kev nqis tes ua ntxiv uas yuav tsum tau ua ua ntej ua haujlwm.
Pom zoo:
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