Rau plaster mixtures tsis yog tsuas yog cov uas siv rau txoj kab tiav, tab sis kuj cov neeg uas nws lub hom phiaj - theem qhov chaw ntawm cov phab ntsa thiab qab nthab hauv qhov chaw. Ib qho yog plaster-based plaster. Yuav kom nkag siab ntau ntxiv ntawm cov ntaub ntawv no, cia peb xav txog qee cov yam ntxwv ntawm gypsum plaster .
Technical yam ntxwv ntawm gypsum plaster
Raws li twb tau hais los saum toj no, cov plaster no sib xyaw yog siv rau kev ua haujlwm sab hauv xwb, tab sis zoo li lwm yam, cov ntaub ntawv ntau dua rau cov plastering uas siv rau tej rooj plaub (muaj cov cement thiab cement-txiv qaub kua), muaj ntau qhov tsis zoo. Yog li ntawd ... Gypsum plaster yog yooj yim thiab yooj yim rau siv - tom qab thov mus rau saum npoo yuav tsum tau kho, lub plaster yog yooj yim leveled nrog txoj cai, tsom rau ntawm lub beacons. Tom ntej:
- Lub sij hawm qhuav. Gypsum plaster dries sai dua lwm cov tshuaj sib tov, tab sis nws tsis shrink thiab, vim li no, tsis muaj cracking ntawm plastered nto tom qab plastering ntawm phab ntsa (ceilings);
- yog ntau dua elastic thiab muaj ib qho yooj yim dua adhesion tus nqi (nyob rau hauv kev sib piv nrog tib lub cement plaster);
- nws tuaj yeem hais tau tias nws yog qhov pheej yig, vim nws tsuas yog siv rau hauv ob txheej (rau kev sib piv - cement plaster yuav tsum tau siv tsis tshaj li 4 txheej).
Kuv yuav tsum hais dab tsi ntxiv txog universal gypsum plaster? Xws li kev ua haujlwm zoo li no plaster sib tov muaj vim muaj cov khoom ntxiv rau hauv daim ntawv hloov cov dej-soluble polymers. Siv tau rau plastering ob leeg nyob hauv chav nyob (chav, txoj kev hauv tsev), thiab hauv cov chav uas muaj kev tshwj xeeb, piv txwv li, hauv chav dej thiab kitchens.