Putty hmoov yog ib hom kev kho kom zoo nkauj cov khoom, lub ntsiab lus tseem ceeb yog Talcum hmoov thiab kua nplaum. Txheej dawb ntawm cov npoo ntawm chav tsev dawb tsuas yog yuav yog putty. Feem ntau cov whiteness ntawm lub putty yog siab tshaj 90 ° thiab lub fineness yog saum toj 330 °.
Putty yog ib hom ntawm cov khoom siv hauv phab ntsa, uas lays ib lub hauv paus zoo rau cov kauj ruam tom ntej ntawm kev kho kom zoo nkauj (tha xim thiab phab ntsa). Putty tau muab faib ua ob hom: Putty sab hauv phab ntsa thiab muab tso rau sab nrauv phab ntsa. Phab ntsa sab nraud uas muaj peev xwm tiv taus cua thiab hnub, yog li nws muaj kev gelation zoo, siab lub zog thiab cov khoom muaj ib puag ncig qis. Cov ntsuas kev nkag siab ntawm Putty nyob rau hauv lub phab ntsa sab hauv yog qhov zoo, thiab nws yog tus phooj ywg huv thiab ib puag ncig. Yog li ntawd, phab ntsa sab hauv tsis yog rau kev siv sab nraud thiab phab ntsa sab nraud tsis yog rau kev siv sab hauv. Putties feem ntau yog raws li gypsum lossis cement, yog li cov chaw ntxhib yog qhov yooj yim rau kev sib raug zoo. Txawm li cas los xij, thaum lub sijhawm kev tsim kho, nws tseem tsim nyog los txhuam ib txheej ntawm lub hauv paus thiab txhim kho cov nplaum ntawm phab ntsa, yog li ntawd lub putty tuaj yeem ua kom zoo dua rau lub hauv paus.
Muaj ntau cov neeg siv hmoov uas muaj zog yuav tsum lees tias tus neeg tshem tawm ntawm cov hmoov putty yog qhov teeb meem loj heev. Nws yuav ua rau cov xim yas kom poob tawm, nrog rau kev txhaws thiab tawg ntawm txheej putty, uas yuav ua rau cov kab nrib pleb, uas yuav ua rau cov xim ua kom tiav.
De-hmoov thiab ntxuav hniav dawb ntawm cov hmoov putty yog tam sim no cov teeb meem feem ntau tom qab ua tiav kev tsim kho. Txhawm rau kom nkag siab txog cov laj thawj ntawm cov hmoov txhuas putty hmoov, peb yuav tsum xub nkag siab cov hmoov txhuv nplej, thiab tom qab ntawd sib xyaw ua ke, thiab tom qab ntawd, huab cua dryness, thiab lwm yam.
8 cov laj thawj tseem ceeb rau kev ua kom muaj hmoov vim tso tawm.
vim li cas ib tug
Lub zog sib zog ntawm lub putty yog tsis txaus ua rau hmoov tshem tawm, thiab cov chaw tsim khoom dig muag txo tus nqi. Lub zog sib npaug ntawm cov roj hmab hmoov tsis zoo, thiab tus nqi ntawm kev ntxiv me me, tshwj xeeb tshaj yog rau phab ntsa sab hauv putty. Thiab cov kua nplaum zoo muaj ntau yam yuav tau ua nrog tus nqi ntxiv.
Vim li cas ob
Cov mis tsis muaj tseeb, kev xaiv xaiv thiab cov teeb meem kev teeb tau yog qhov tseem ceeb heev hauv cov mis nyuj. Piv txwv li, hydroxypropyl methylcellulose (HPMC) yog siv los ua cov tsis-waterproof putty rau sab hauv phab ntsa. Txawm hais tias HPMC yog kim heev, nws tsis ua haujlwm rau fillers xws li ob chav ya hmoov, talcum hmoov, thiab lwm yam yog tias tsuas yog HPMC siv, nws yuav ua rau kev txiav txim siab. Txawm li cas los xij, CMC thiab CMS nrog cov nqi qis tsis tshem tawm raws li Wateror Putty, vim tias CMC thiab CMS hnov nrog grey calcium hmoov thiab dawb xis mas, uas yuav ua Delamination. Muaj kuj yog polyacrylamides ntxiv rau cov txiv qaub calcium hmoov thiab dawb xis mas yog waterproof txheej ua kom cov hmoov tshem tawm.
Vim li cas peb
Kev sib xyaw tsis ncaj yog qhov laj thawj tseem ceeb rau cov hmoov tshem tawm ntawm cov putty ntawm phab ntsa sab hauv thiab sab hauv. Qee cov tuam ntxhab nyob rau hauv lub teb chaws ua los ua hmoov putty nrog cov khoom siv yooj yim thiab ntau yam. Lawv tsis yog cov khoom siv sib xyaw tshwj xeeb, thiab kev sib xyaw tsis sib xws ua rau cov hmoov tshem tawm ntawm cov zaub mov.
Vim li plaub
Qhov ua yuam kev hauv cov txheej txheem ntau lawm ua rau lub putty kom hmoov. Yog tias tus tov khoom tsis muaj txoj haujlwm ntawm kev ntxuav thiab muaj ntau qhov chaw nyob, CMC hauv cov hmoov tshauv calcium hmoov nyob rau hauv lub waterproof wallty. CMC thiab CMS nyob rau sab hauv phab ntsa putty thiab sab nraud phab ntsa cov xis mas yog cov ua kom muaj hmoov txhuas. Qee cov tuam txhab 'cov khoom siv tshwj xeeb tau nruab nrog lub chaw nres nkoj tu, tsis yog tsuas yog siv ib lub tshuab rau ntau lub hom phiaj, thiab yuav ib qho khoom siv los tsim ntau yam khoom siv putty.
Vim Li Cas Tsib
Qhov sib txawv hauv qhov zoo ntawm cov neeg ua haujlwm kuj tseem yuav ua rau de-hmoov. Muaj ntau tus neeg muab tso rau hauv phab ntsa sab hauv thiab sab nrauv Peny, tab sis qhov sib txawv hauv pH yuav ua rau de-wicting ntawm putty, xws li cov nyob rau hauv chongqing thiab chengdu. Cov roj hmab zoo ib yam yog siv rau cov hmoov sab hauv putty, tab sis cov tajlaj hmoov thiab calcium hmoov ntau sib txawv. Hauv chongqing, nws tsis tshem cov hmoov, tab sis hauv chengdu, nws tsis tshem cov hmoov.
Vim li cas rau
Qhov laj thawj ntawm huab cua kuj yog qhov laj thawj rau cov hmoov tshem tawm ntawm cov putty ntawm sab hauv thiab sab nraud phab ntsa. Piv txwv li, lub putty nyob sab hauv thiab sab nraud phab ntsa muaj huab cua qhuav thiab muaj kev nyab xeeb zoo hauv qee thaj chaw arid nyob rau sab qaum teb. Muaj cov huab cua los nag, cov av noo-ntev, cov cuab yeej av ntev-ua tau zoo, thiab nws tseem yuav ua rau tsis muaj calcium hmoov.
Vim li cas xya
Inorganic binders xws li grey calcium hmoov thiab xis mas yog impure thiab muaj ntau npaum li cas ntawm ob hom hmoov. Lub thiaj li hu ua ntau-ua haujlwm grey cala calcium hmoov yog siv, thiab cov dej tsis muaj zog, thiab cov phab ntsa sab hauv yuav muaj hmoov dawb thiab tsis yog dej.
Vim Li Yim Yim
Nyob rau lub caij ntuj sov, cov dej khaws cia ntawm phab ntsa sab nrauv tsis txaus, tshwj xeeb tshaj yog nyob rau qhov chaw muaj qhov kub thiab qhov rai siab thiab qhov rai siab. Yog tias lub sijhawm pib lub sijhawm ntawm cov hmoov tshauv calcium hmoov thiab cov cement tsis txaus, nws yuav poob dej, thiab yog tias nws tsis tswj tau zoo, nws tseem yuav ua hmoov hnyav.
Lub sij hawm Post: Jun-02-2023