Puas yog gypsum plaster waterproof?

Gypsum plaster, tseem hu ua plaster ntawm Paris, yog ntau yam khoom siv hauv tsev uas tau siv ntau pua xyoo hauv kev tsim kho, kos duab, thiab lwm yam kev siv.Nws yog cov ntxhia mos sulfate tsim los ntawm calcium sulfate dihydrate, uas, thaum sib xyaw nrog dej, hardens rau hauv cov khoom muaj zog thiab ruaj khov.

Ib qho ntawm cov khoom tseem ceeb ntawm gypsum plaster yog nws lub peev xwm nqus dej.Thaum tov nrog dej, gypsum plaster pib tawv thiab kho.Txawm li cas los xij, thaum nws tau kho, gypsum plaster tsis suav tias yog dej tsis huv.Qhov tseeb, qhov ntev ntawm cov dej los yog dej noo tuaj yeem ua rau gypsum plaster ua mos, crumbly, lossis pwm.

Water Resistance vs. Water Repellency

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov qhov sib txawv ntawm cov dej tsis kam thiab cov tshuaj tiv thaiv dej.Dej tsis kam yog hais txog cov khoom muaj peev xwm tiv taus dej yam tsis muaj kev puas tsuaj lossis tsis muaj zog.Water repellency hais txog cov khoom muaj peev xwm los tiv thaiv dej, tiv thaiv nws los ntawm kev nkag mus rau saum npoo.

Gypsum plaster tsis suav hais tias yog dej-resistant, vim hais tias ntev ntev ntawm dej los yog noo noo yuav ua rau nws deteriorate nyob rau lub sij hawm.Txawm li cas los xij, nws tuaj yeem ua kom dej ntau dua los ntawm kev siv cov tshuaj ntxiv lossis txheej txheej.

Additives thiab Coatings

Ntau yam additives tuaj yeem muab ntxiv rau gypsum plaster kom nws cov dej tawm.Cov additives no tuaj yeem suav nrog cov dej tsis zoo, xws li silicone, acrylic, lossis polyurethane resins.Cov neeg ua haujlwm no tsim ib qho kev thaiv ntawm qhov chaw ntawm plaster, tiv thaiv dej los ntawm kev nkag mus rau saum npoo.

Lwm qhov kev xaiv yog siv lub txheej rau saum npoo ntawm plaster.Cov txheej txheem tuaj yeem suav nrog xim, kua roj vanish, lossis epoxy, thiab lwm yam.Cov txheej txheej no tsim ib qho kev thaiv lub cev ntawm lub plaster, tiv thaiv dej los ntawm qhov chaw.

Daim ntawv thov rau Waterproof Gypsum Plaster

Muaj qee yam kev siv uas yuav tsum tau muaj dej gypsum plaster.Piv txwv li, nyob rau hauv cov cheeb tsam uas muaj cov av noo siab los yog noo noo, xws li chav dej los yog chav ua noj, cov dej tsis zoo gypsum plaster yuav raug siv los tiv thaiv cov dej puas.Waterproof gypsum plaster kuj tseem siv tau rau hauv thaj chaw uas muaj kev pheej hmoo ntawm dej nyab lossis dej puas tsuaj, xws li hauv qab daus lossis chaw nkag.