Kwanan Wata:20, Oktoba,2025
Menene buƙatun kayan buƙatun don turmi mai matakin kai na gypsum?
1. Active admixtures: Kai matakin kayan iya amfani da gardama ash, slag foda, da sauran aiki admixtures don inganta barbashi size rarraba da kuma inganta Properties na taurare abu. Slag foda yana jurewa hydration a cikin yanayin alkaline, yana haɓaka haɓakar kayan aikin da ƙarfi daga baya.
2. Ƙarfin siminti na farko: Don tabbatar da lokacin ginawa, kayan aikin kai tsaye suna da wasu buƙatu don ƙarfin farko (mafi mahimmanci 24-hour flexural and compressive ƙarfi). Sulphoaluminate ciminti ana amfani da matsayin farkon-ƙarfi siminti abu. Sulphoaluminate ciminti hydrates da sauri kuma yana ba da ƙarfi da wuri, yana biyan waɗannan buƙatun.
3. Alkaline activator: Gypsum composite cementious kayan sun sami mafi girman ƙarfin bushewa a ƙarƙashin matsakaicin yanayin alkaline. Quicklime da 32.5 ciminti za a iya amfani dashi don daidaita pH don ƙirƙirar yanayin alkaline don hydration.
4. Saitin totur: Saita lokaci shine maɓalli mai nuna alamar aiki na kayan matakin kai. Tsayar da lokacin da ya yi gajere ko tsayi yana da illa ga gini. Coagulant yana motsa ayyukan gypsum, yana hanzarta haɓakar gypsum dihydrate, rage lokacin saiti, da kiyaye saiti da lokacin taurare kayan matakin kai a cikin kewayon da ya dace.
5. Mai Rage Ruwa: Don haɓaka ƙima da ƙarfi na kayan haɓaka kai, dole ne a rage rabon ruwa zuwa siminti. Yayin da ake kiyaye ruwa mai kyau, ƙarar mai rage ruwa ya zama dole. Hanyar rage ruwa na mai rage ruwa na tushen naphthalene shine ƙungiyoyin sulfonic acid a cikin naphthalene na tushen ruwa masu rage kwayoyin hydrogen-bond tare da kwayoyin ruwa, suna samar da fim na ruwa mai tsayi a saman kayan siminti. Wannan yana sauƙaƙe zamewar kayan abu, rage yawan adadin ruwan da ake buƙata da kuma inganta tsarin kayan da aka yi.
6. Wakilin Riƙe Ruwa: Ana amfani da kayan haɓaka kai tsaye a kan ƙaramin tushe mai ƙarancin ɗanɗano, yana sanya su cikin sauƙin ɗaukar tushe. Wannan na iya haifar da rashin isasshen ruwa, tsagewar saman, da rage ƙarfi. A cikin wannan gwajin, an zaɓi methylcellulose (MC) azaman wakili mai riƙe da ruwa. MC yana nuna kyakkyawan jika, riƙewar ruwa, da abubuwan samar da fim, hana fitar da ruwa da kuma tabbatar da cikakken hydration na kayan haɓaka kai.
7. Redispersible polymer foda (nan gaba ake magana a kai a matsayin polymer foda): Polymer foda zai iya ƙara da na roba modulus na kai matakin abu, inganta ta tsaga juriya, bond ƙarfi, da ruwa juriya.
8. Defoaming wakili: Defoaming jamiái iya inganta surface Properties na kai matakin kayan, rage kumfa a lokacin gyare-gyaren, da kuma taimakawa ga ƙarfin da kayan.
Lokacin aikawa: Oktoba-20-2025
