Putty hmoov yog ib yam khoom siv kho kom zoo nkauj hauv tsev, cov khoom tseem ceeb yog talcum hmoov thiab kua nplaum. Cov txheej dawb nyob rau saum npoo ntawm chav tsev dawb xwb yuav yog putty. Feem ntau cov xim dawb ntawm lub putty yog siab tshaj 90 ° thiab qhov fineness yog siab dua 330 °.
Putty yog ib hom khoom siv hauv paus siv rau kev kho phab ntsa, uas tso lub hauv paus zoo rau cov kauj ruam tom ntej ntawm kev kho kom zoo nkauj (thawj duab thiab phab ntsa). Putty muab faib ua ob hom: putty sab hauv phab ntsa thiab putty rau sab nrauv phab ntsa. Sab nrauv phab ntsa putty tuaj yeem tiv taus cua thiab hnub ci, yog li nws muaj gelation zoo, siab zog thiab qis ib puag ncig index. Cov kev qhia dav dav ntawm putty nyob rau hauv cov phab ntsa sab hauv yog zoo, thiab nws yog huv si thiab ib puag ncig tus phooj ywg. Yog li ntawd, cov phab ntsa sab hauv tsis yog siv rau sab nraud thiab sab nrauv phab ntsa tsis yog siv rau sab hauv. Putties feem ntau yog ua los ntawm gypsum lossis cement, yog li cov khoom ntxhib yooj yim dua rau kev sib txuas ruaj khov. Txawm li cas los xij, thaum lub sij hawm tsim kho, nws tseem yuav tsum tau txhuam ib txheej ntawm tus neeg sawv cev sib txuas ntawm lub hauv paus txhawm rau txhawm rau lub hauv paus thiab txhim kho cov adhesion ntawm phab ntsa, kom cov putty tuaj yeem ua tau zoo dua rau hauv lub hauv paus.
Ntau tus neeg siv cov hmoov putty yuav tsum lees paub tias qhov depowder ntawm putty hmoov yog ib qho teeb meem loj heev. Nws yuav ua rau cov xim latex poob, nrog rau cov pob thiab tawg ntawm cov txheej putty, uas yuav ua rau cov kab nrib pleb hauv cov xim latex tiav.
De-powdering thiab whitening ntawm putty hmoov yog tam sim no feem ntau cov teeb meem tom qab putty tsim. Yuav kom nkag siab txog cov laj thawj ntawm cov hmoov putty de-powder, peb yuav tsum xub nkag siab txog cov ntsiab lus ntawm cov khoom siv raw khoom thiab cov ntsiab lus kho ntawm cov hmoov putty, thiab tom qab ntawd muab cov phab ntsa saum npoo av thaum lub sij hawm putty Dryness, dej nqus, kub, huab cua qhuav, thiab lwm yam.
8 lub ntsiab yog vim li cas rau putty hmoov ntog.
vim ib
Lub zog sib txuas ntawm lub putty tsis txaus los ua kom cov hmoov tshem tawm, thiab cov chaw tsim khoom lag luam tsis pom kev txo tus nqi. Lub zog sib txuas ntawm cov roj hmab hmoov tsis zoo, thiab qhov sib ntxiv yog me me, tshwj xeeb tshaj yog rau cov phab ntsa sab hauv putty. Thiab qhov zoo ntawm cov kua nplaum muaj ntau yam ua nrog cov nyiaj ntxiv.
Yog vim li cas ob
Cov qauv tsim tsis tsim nyog, xaiv cov khoom siv thiab cov teeb meem ntawm cov txheej txheem yog qhov tseem ceeb heev hauv cov qauv putty. Piv txwv li, hydroxypropyl methylcellulose (HPMC) yog siv los ua cov tshuaj tsis muaj dej tsis zoo rau cov phab ntsa sab hauv. Txawm hais tias HPMC yog kim heev, nws tsis ua hauj lwm rau cov fillers xws li ob npaug ya hmoov hmoov, talcum hmoov, wollastonite hmoov, thiab lwm yam. Yog tias tsuas yog siv HPMC, nws yuav ua rau delamination. Txawm li cas los xij, CMC thiab CMS nrog tus nqi qis tsis tshem cov hmoov, tab sis CMC thiab CMS tsis tuaj yeem siv los ua cov dej tsis muaj dej, tsis tuaj yeem siv los ua cov phab ntsa sab nrauv, vim CMC thiab CMS hnov mob nrog grey calcium hmoov thiab cov cement dawb, uas yuav ua rau. delamination. Kuj tseem muaj cov polyacrylamides ntxiv rau cov txiv qaub calcium hmoov thiab cov cement dawb ua cov txheej txheem dej, uas tseem yuav ua rau cov tshuaj lom neeg ua rau cov hmoov tshem tawm.
Yog vim li cas peb
Kev sib xyaw tsis sib xws yog qhov laj thawj tseem ceeb rau cov hmoov tshem tawm ntawm cov putty rau sab hauv thiab sab nrauv phab ntsa. Qee cov tuam txhab lag luam hauv lub tebchaws tsim cov hmoov putty nrog cov khoom siv yooj yim thiab ntau yam. Lawv tsis yog cov khoom siv sib xyaw tshwj xeeb, thiab qhov sib xyaw tsis sib xws ua rau cov hmoov tshem tawm ntawm putty.
Yog vim li cas plaub
Qhov yuam kev hauv cov txheej txheem ntau lawm ua rau cov putty yog hmoov. Yog tias lub tov khoom tsis muaj kev ua haujlwm ntawm kev tu thiab muaj ntau qhov seem, CMC nyob rau hauv cov ntaub ntawv zoo tib yam yuav hnov mob nrog cov hmoov tshauv calcium hauv cov dej tsis muaj dej. CMC thiab CMS nyob rau hauv lub puab phab ntsa putty thiab sab nrauv phab ntsa Cov cement dawb ntawm lub putty reacts ua de-powder. Qee lub tuam txhab cov cuab yeej tshwj xeeb yog nruab nrog lub chaw nres nkoj tu, uas tuaj yeem ntxuav cov khoom seem hauv lub tshuab, tsis yog tsuas yog ua kom cov putty zoo, tab sis kuj siv ib lub tshuab rau ntau lub hom phiaj, thiab yuav ib qho khoom siv los tsim ntau yam. putty.
Yog vim li cas Tsib
Qhov sib txawv ntawm qhov zoo ntawm fillers kuj yuav ua rau de-powder. Ib tug loj tus naj npawb ntawm fillers yog siv nyob rau hauv sab hauv thiab sab nrauv phab ntsa putty, tab sis cov ntsiab lus ntawm Ca2CO3 nyob rau hauv hnyav calcium hmoov thiab talc hmoov nyob rau hauv ntau qhov chaw yog txawv, thiab qhov sib txawv ntawm pH kuj yuav ua rau de-powder ntawm putty, xws li cov. hauv Chongqing thiab Chengdu. Tib cov roj hmab hmoov yog siv rau sab hauv phab ntsa putty hmoov, tab sis talcum hmoov thiab hnyav calcium hmoov yog txawv. Hauv Chongqing, nws tsis tshem cov hmoov, tab sis hauv Chengdu, nws tsis tshem cov hmoov.
vim 6
Qhov laj thawj ntawm huab cua kuj yog vim li cas rau cov hmoov tshem tawm ntawm cov putty ntawm cov phab ntsa sab hauv thiab sab nrauv. Piv txwv li, lub putty rau sab hauv thiab sab nrauv phab ntsa muaj huab cua qhuav thiab qhov cua zoo nyob rau qee qhov chaw qhuav nyob rau sab qaum teb. Muaj huab cua los nag, cov av noo mus ntev, cov khoom siv putty zaj duab xis-tsim tsis zoo, thiab nws tseem yuav plam hmoov, yog li qee qhov chaw tsim nyog rau cov dej tsis muaj dej nrog calcium hmoov.
vim 7
Inorganic binders xws li grey calcium hmoov thiab cov cement dawb yog impure thiab muaj ntau ntawm cov hmoov ya ob. Lub thiaj li hu ua multi-functional grey calcium hmoov thiab multi-functional dawb cement nyob rau hauv lub lag luam yog impure, vim hais tias ib tug loj npaum li cas ntawm cov impure inorganic binders yog siv, thiab cov waterproof putty ntawm sab hauv thiab sab nrauv phab ntsa yuav twv yuav raug hu tsis muaj hmoov. thiab tsis waterproof.
vim 8
Nyob rau lub caij ntuj sov, cov dej tuav ntawm putty ntawm cov phab ntsa sab nrauv tsis txaus, tshwj xeeb tshaj yog nyob rau hauv qhov chaw uas muaj qhov kub thiab qhov cua xws li cov qhov rooj thiab qhov rais siab. Yog tias lub sijhawm pib ntawm cov hmoov tshauv calcium hmoov thiab cov cement tsis txaus, nws yuav poob dej, thiab yog tias nws tsis tau khaws cia zoo, nws tseem yuav ua rau hmoov hnyav.
Post lub sij hawm: Jun-02-2023