Dankali muhimmin sigar premulose ne na aikin ether.
Gabaɗaya magana, mafi girma danko, mafi kyawun tasirin riƙe turf ɗin gypsum. Koyaya, mafi girman danko, mafi girman nauyin ƙwayar ƙwayoyin sel, da raguwar daidai a cikin ƙarfi zai sami tasiri mara kyau akan ƙarfi da aikin aikin gini na turmi. Mafi girman danko, mafi bayyane na tasirin thickening a kan turmi, amma ba daidai gwargwado.
A mafi girman danko, mafi viscous rigar turmi zata kasance. Yayin gini, an bayyana shi kamar yadda yake mai da shi ga scraper da babban m ga substrate. Amma ba ya taimaka da yawa don ƙara yawan tsarin tsaftatarwa da kanta. Bugu da kari, yayin gini, aikin gona na anti-sag na rigar ba a bayyane yake ba. A akasin wannan, wasu matsakaici da ƙarancin danko amma an gyara shi methyl sililululose Ehers suna da kyakkyawan aiki na turmi na rigar ruwa.
Ginin kayan bango galibi tsari ne mai kyau, kuma duk suna da karfin ruwa mai ƙarfi. Koyaya, kayan ginin gypsum da aka yi amfani da shi don ginin bangon yana tattarawa ta hanyar ƙara ruwa zuwa bango, kuma bango yana da ƙarfi a cikin ɗakunan gyada, yana haifar da ƙarfi, matsaloli masu inganci kamar dolowling da peeling. Inganta riƙewar ruwa na kayan gini na gypsum na iya inganta ingancin ginin da kuma karfin gwiwa tare da bango. Saboda haka, mai riƙe da Wakili mai riƙe da ruwa ya zama ɗaya daga cikin mahimman kayan gini na kayan gypsum.
Plastering gypsum, tare da haɗin gypsum, caulching gypsum, ana amfani da kayan aikin gypsum da sauran kayan aikin foda. Don sauƙaƙe gina, ana sake shirya Gypsum hatsin a lokacin samarwa don tsawan aikin gina na gypsum slurry. Tun da gypsum an gauraye tare da reshedder, wanda ke hana aiwatar da hydrits tsari na hemirydrate danko. Irin wannan nau'in gypsum yana buƙatar ajiyewa a bango don 1 ~ 2h 2h kafin ta kafa. Yawancin bangon suna da kaddarorin shan ruwa, musamman tubalin bango da kuma airatar da kankare. Bangon, layin rufewa da sabbin kayan bango, don haka ya kamata a aiwatar da magani na hana ruwa a cikin slpsum da ruwan hoda lokacin da gypsum slurry ya taurare. Haifar da rabuwa da peeling na haɗin gwiwa tsakanin gypsum da bangon bango. The addition of water-retaining agent is to maintain the moisture contained in the gypsum slurry, to ensure the hydration reaction of the gypsum slurry at the interface, so as to ensure the bonding strength. Na'urar riƙe ruwa da ke riƙe da wakilan ruwan crelular, kamar sel methyl (hpmc), da sauransu ƙasa, da sauransu ƙasa, da sauransu. aikin riƙewa na ruwa.
Ko da irin wannan wakili-riƙe da aka riƙe da aka riƙe da ruwa na iya jinkirta da hydration kudi na gypsum zuwa bambance-bambancen digiri, lokacin da aka sami wakilin retarder na iya ba da izini, lokacin riƙe da ke riƙe da saiti na minti 15-30. Saboda haka, yawan abin da aka buga zai iya rage yadda ya kamata.
Lokaci: Feb-08-2023