Gypsum plaster hnub no tau pom daim ntawv teev npe nyob rau hauv cov kev sib tw ntawm txoj kab dav dav thiab txoj kab thiab npaj rau lawv ua kom zoo nkauj - uas khov los yog khov kho. Nws tuaj yeem siv rau kev kho lub qab nthab thiab cov phab ntsa, nws yog ib qho khoom siv hauv lub cev zoo thiab tsis tso cov khoom phom sij. Lub hauv paus ntawm plaster yog gypsum nrog ntxiv ntawm modifying additives, uas nce lub adhesion ntawm cov khoom mus rau phab ntsa saum npoo.
Nta ntawm gypsum plaster
Gypsum plaster tau pom daim ntawv thov, ob leeg rau sab hauv, thiab rau sab nraud tej hauj lwm. Cov dejnum rau kev kho sab hauv yog tsim rau cov chaw uas muaj cov av qis. Vim yog cov cwj pwm zoo thiab cov khoom vaj tse, nws muaj peev xwm tswj hwm txhua yam kev tsis ncaj ncees, cov phab ntsa loj loj, mus ua kom puas thiab qhov. Plaster raws li ntawm gypsum tsis keej txawm nyob rau ntawm ib tug loj tuab ntawm txheej txheej.
Sab nraud plaster yuav siv tau rau hauv chav nrog high humidity.
Los ntawm composition Gypsum plaster tau muab faib ua pawg:
- nplua-grained, yog thov rau txheej tsis ntau tshaj 8 hli.
- medium-grained, feem ntau cov kev xaiv, nws cov tuab yuav ua tau mus txog 5 cm.
- coarse, siv thaum lub phab ntsa yuav tsum tau plastered nrog ib tug tuab txheej.
Cov ntaub ntawv siv los ua hauj lwm façade - gypsum-polymer thiab gypsum-pob zeb hauv av, yog cov nrog cov hloov khov kho, uas nce frost tsis kam thiab lub zog ntawm cov khoom. Yuav kom tau qhov xav ntxoov ntxoov ntawm qhov chaw, dyes yuav muab ntxiv rau qhov sib tov.
Tam sim no, gypsum plaster tau pom dav dua daim ntaub phom ntau vim nws txoj kev ntxhib los mos, cov khoom zoo thiab cov nqi qis. Phab ntsa, nrog rau cov ntaub ntawv zoo li no, suab tsis tas yuav tsum tau ua puttyed, thiab rau txhua qhov kawg koj tuaj yeem siv cov cuab yeej uas koj nyiam. Ntawm plaster raws gypsum, nws yog ib qhov ua tau los tsim ib daim duab zoo nkauj ntu siv molding cov cuab yeej.
Rau plaster casting plaster, kev siv thiab kev siv lub tshuab siv tau. Thaum yuav ib qho khoom, koj yuav tsum tau them sai sai rau txoj kev uas nws siv, uas yuav txawv rau qee cov ntsiab lus.
Kev siv cov gypsum plaster tso cai rau koj mus txuas rau kev ua haujlwm nyob rau qib theem sab nraud nrog lawv qhov teeb meem rau kev ua tiav. Gypsum yog lub ntuj tsim, zoo tagnrho rau txoj kev tsim kom muaj lub siab nyiam.
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