Dab Tsi Yog Qhov Sib Txawv Ntawm Cov Hniav Thiab Xim: Dab Tsi Yog Qhov Sib Txawv, Qhov Sib Txawv Ntawm Kev Sib Xyaw

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-09 13:23

Tam sim no, hom xim sib txawv tau siv los pleev xim rau phab ntsa hauv chav. Cov tuam txhab tsim khoom niaj hnub muab cov neeg siv khoom ntau yam ncaj ncees ntawm cov ntaub ntawv tiav, uas ua rau nws yooj yim los xaiv qhov kev xaiv zoo tshaj plaws rau qhov tshwj xeeb nto. Ua kom ntau ntxiv, cov xim pleev xim tau siv los pleev xim rau phab ntsa thiab qab nthab, sib txawv me ntsis ntawm cov qauv sib xyaw.

Sib xyaw

Txhawm rau nkag siab tias cov hniav txha hniav laus yog dab tsi thiab nws qhov sib txawv ntawm cov xim zoo li cas, koj yuav tsum paub koj tus kheej nrog kev sib xyaw. Ib qho kev tivthaiv ntawm lub hauv paus yog cov kua roj vanish. Kuj suav nrog yog ntau yam tshuaj pleev xim thiab xim kom ua tiav cov xim xav tau. Lwm qhov tseem ceeb ntawm txha hniav laus yog xim dawb lossis hnyav.

Vim yog qhov muaj pes tsawg leeg, cov khoom siv dav siv rau kev ua haujlwm sab hauv thiab sab nraum zoov. Cov nplaim nplaum ua tau zoo rau txhua qhov chaw, uas yooj yim heev ua cov txheej txheem txheej txheem. Qhov no siv rau ntoo, hlau thiab txawm tias cib.

Cov kws tshaj lij pom zoo tso tseg kev siv cov xim zoo li no hauv chav uas muaj xwm txheej phom sij. Qhov no tau piav qhia los ntawm qhov tseeb tias cov kua roj vanish tam sim no nyob rau hauv lub hauv paus txha hniav laus yog nplaim taws heev . Cov sib xyaw no muaj cov yam ntxwv ua tau zoo uas txawv ntawm lawv los ntawm ntau cov ntaub ntawv tiav.

Xws li cov sib xyaw ua ke tau zoo los tiv thaiv kom ya raws, thiab lawv kuj tsis ntshai qhov cuam tshuam tsis zoo los ntawm ib puag ncig.

Saib

Nws yuav tsum raug sau tseg tias cov tuam txhab tsim khoom niaj hnub nthuav tawm rau cov neeg yuav khoom ntau hom kev txhuam hniav. Cov no suav nrog:

• Alkyd tebchaw. Cov ntaub ntawv ua tiav no ruaj khov thiab yooj yim rau ua haujlwm nrog. Ib qho ntxiv, cov khoom sib xyaw no feem ntau siv rau pleev xim rau phab ntsa hauv chav nrog cov av noo siab.
• Hom polyurethane. Qhov sib txawv tseem ceeb ntawm cov kev xaiv no yog hnav tsis kam. Lawv feem ntau siv hauv chav uas muaj tsheb loj.
• Nitroenamel. Lub hauv paus tseem ceeb ntawm cov qauv no yog cellulose nitrate. Ib qho zoo ntawm cov txha hniav laus yog kom qhuav sai.

Txhua hom saum toj no tuaj yeem siv rau qee yam xwm txheej. Tab sis ua ntej koj yuav txha hniav laus, koj yuav tsum paub koj tus kheej nrog cov khoom ntawm cov xim zoo tib yam.

Nta ntawm cov xim

Yuav pib nrog, nws yuav tsum tau hais tias xim muaj lub tswv yim dav dua thaum piv rau cov hniav. Lub hauv paus tseem ceeb ntawm ntau hom yog flaxseed roj, uas tau coj mus rau rhaub thaum cov txheej txheem tsim khoom. Tsis zoo li cov hniav, cov xim pleev xim tau siv tshwj xeeb rau xim qee qhov chaw. Cov sib xyaw ua ke no muaj cov yam ntxwv sib txawv kiag li, uas koj yuav tsum paub koj tus kheej nrog ntau yam ntxiv.

Qhov sib xws ntawm cov xim tsis tu ncua yog qhov khov. Qhov no yog vim qhov tseeb tias nws lub hauv paus suav nrog cov khoom siv xws li roj thiab ziab roj. Latex thiab emulsion tau siv ua cov khoom ntxiv. Tsis tas li ntawd, cov khoom siv yuav tsum suav nrog cov tshuaj pleev ib ce, uas, tom qab siv rau saum npoo, tsim ua zaj duab xis. Heev feem ntau, cov kuab tshuaj tau ntxiv rau lub hauv paus kom cov khoom tau txais qhov sib xws uas yooj yim rau kev thov.

Niaj hnub no muaj ntau hom xim sib txawv. Qhov nrov tshaj plaws yog dej tawg. Lub peculiarity ntawm cov kev xaiv no yog nyob ntawm qhov muaj qhov tshwj xeeb aqueous dispersions, uas ua raws li cov khoom siv khi.

Ntau tus kws tshaj lij hais tias cov xim zoo li no yog qhov kev xaiv zoo tshaj plaws rau pleev xim rau phab ntsa thiab qab nthab, vim tias lawv tsis muaj qhov tsis zoo.

Txhim kho cov tsiaj silicate kuj tseem xav tau ntau. Kev pleev xim zoo nkauj thiab nplaum tsis nrov dua.

Qhov sib txawv ntawm kev sib xyaw

Txhawm rau nkag siab qhov kev xaiv twg yog qhov zoo tshaj plaws los siv rau xim tha xim, koj yuav tsum sib piv cov xim txha hniav laus thiab cov xim tsis tu ncua. Txhawm rau pib nrog, nws yuav tsum tau hais tias thawj hom yog siv rau kev ua tiav saum npoo, tsim ib hom txheej iav nyias tom qab thov. Tsis tas li ntawd, txha hniav laus raug rau qhov kub thiab txias.

Raws li rau xim raws li roj lossis dej, lawv tau siv txhawm rau muab xim rau ib qho chaw tshwj xeeb. Tsis txhob hnov qab tias ziab cov roj tau siv los ua kom cov xim zas xim. Yog tias koj siv enamel, tom qab ntawd cov kuab tshuaj tau siv rau lub hom phiaj no.

Cov xim muaj cov khoom tiv thaiv tsis zoo thaum piv rau cov hniav.

Qhov txiaj ntsig tseem ceeb ntawm cov xim txhaws ntau dua yog tias lawv siv tsis yog rau chav pleev xim. Kev xaiv Alkyd feem ntau siv rau lub ntsej muag. Lawv yog cov yam ntxwv zoo thiab ruaj khov.

Ib lossis lwm qhov saum npoo yuav tsum tau muab tshwj xeeb saib xyuas tom qab ua nrog cov sib xyaw zoo sib xws. Thaum siv cov hniav txha hniav laus, txheej yuav du thiab ci. Kev kho xim muab qhov sib txawv me ntsis. Tom qab staining, saum npoo yog npub thiab npub.

Qhov sib txawv ntawm cov xim pleev xim thiab cov xim dag nyob hauv lawv cov tawv thiab elasticity. Thawj qhov kev xaiv muaj cov yam ntxwv ua tau zoo dua. Nyob rau hauv qhov cuam tshuam ntawm huab cua lossis hloov pauv qhov kub, cov xim tuaj yeem ploj nws cov khoom qub, uas tsis tuaj yeem hais txog cov hniav.

Qhov sib txawv ntawm cov ntaub ntawv ua tiav no yog qhov ntawd txha hniav laus yog siv los kho qee yam khoom … Cov xim yog tsim nyog rau qhov chaw loj. Ib qho ntxiv, roj lossis lwm yam qauv yuav raug nqi me ntsis tsawg dua cov hniav txha hniav laus.