Shin gypsum plaster mai hana ruwa ne?

Gypsum plaster, wanda kuma aka sani da filasta na Paris, kayan gini iri-iri ne wanda aka yi amfani da shi shekaru aru-aru wajen gine-gine, fasaha, da sauran aikace-aikace. Yana da ma'adinan sulfate mai laushi wanda ya ƙunshi calcium sulfate dihydrate, wanda, lokacin da aka haxa shi da ruwa, yana taurare cikin abu mai ƙarfi da ɗorewa.

Ɗaya daga cikin manyan kaddarorin gypsum plaster shine ikonsa na sha ruwa. Lokacin da aka haɗe da ruwa, filastar gypsum ya fara taurare kuma ya warke. Duk da haka, da zarar ya warke, gypsum plaster ba a la'akari da cikakken ruwa. A haƙiƙa, tsawaita ɗaukar ruwa ko danshi na iya haifar da filastar gypsum ta zama mai laushi, crumbly, ko m.

Ruwa Resistance vs. Ruwa Repellency

Yana da mahimmanci a lura da bambanci tsakanin juriya na ruwa da rashin ruwa. Juriya na ruwa yana nufin iyawar abu don jure ruwa ba tare da lalacewa ko rauni ba. Rashin ruwa yana nufin iyawar abu don tunkuɗe ruwa, yana hana shi shiga saman.

Gypsum plaster ba a ɗauka a matsayin mai jure ruwa, saboda tsayin daka ga ruwa ko danshi na iya haifar da lalacewa akan lokaci. Duk da haka, ana iya sanya shi mafi hana ruwa ta hanyar amfani da ƙari ko sutura.

Additives da Coatings

Ana iya ƙara abubuwa daban-daban a cikin plaster gypsum don ƙara yawan hana ruwa. Wadannan additives na iya haɗawa da abubuwan hana ruwa, irin su silicone, acrylic, ko polyurethane resins. Wadannan jami'ai suna haifar da shinge a saman plaster, suna hana ruwa shiga cikin farfajiyar.

Wani zaɓi shine a yi amfani da sutura zuwa saman plaster. Rubutun na iya haɗawa da fenti, varnish, ko epoxy, da sauransu. Wadannan suturar suna haifar da shinge na jiki a saman plaster, yana hana ruwa shiga cikin farfajiyar.

Aikace-aikacen filastar gypsum mai hana ruwa

Akwai wasu aikace-aikace inda filastar gypsum mai hana ruwa zai iya zama dole. Misali, a wuraren da akwai zafi mai yawa ko danshi, kamar bandakuna ko kicin, ana iya amfani da filastar gypsum mai hana ruwa don hana lalacewar ruwa. Hakanan ana iya amfani da filastar gypsum mai hana ruwa a wuraren da akwai haɗarin ambaliya ko lalata ruwa, kamar ginshiƙai ko wuraren rarrafe.