Sealant yana nufin abin rufewa wanda ya lalace tare da sifar saman hatimin, ba shi da sauƙin kwarara, kuma yana da wani mannewa.
Ita ce manne da ake amfani da ita don cike gibin sanyi don rufewa. Yana da ayyuka na anti-leakage, mai hana ruwa, anti-vibration, sautin sauti da kuma zafi mai zafi. Yawancin lokaci, busassun busassun kayan danko kamar su kwalta, guduro na halitta ko guduro na roba, roba na halitta ko roba na roba ana amfani da su azaman kayan tushe, kuma ana ƙara abubuwan da ba su da ƙarfi kamar talc, yumbu, baƙin carbon, titanium dioxide da asbestos. Plasticizers, kaushi, curing jamiái, accelerators, da dai sauransu Ana iya raba uku Categories: na roba sealant, ruwa sealing gasket da sealing putty. Ana amfani da shi sosai wajen rufe ginin, sufuri, kayan lantarki da sassa.
Akwai nau'ikan siliki da yawa: silicone silicone siliki, sealants polysulan, sealts na polyl, suma sealants, sealants umcrene, sealants neprene, sealants neplants.
Babban Properties na sealant
(1) Bayyanar: Fitowar sitirin an ƙaddara shi ne ta hanyar tarwatsewar filler a cikin tushe. Filler ne m foda. Bayan an tarwatsa shi ta hanyar ƙwanƙwasa, injin niƙa da na'ura na duniya, ana iya tarwatsa shi a ko'ina a cikin robar tushe don samar da manna mai kyau. Ƙananan adadin tara ko yashi abin karɓa ne kuma na al'ada. Idan filler ɗin bai tarwatse sosai ba, ɓangarorin da yawa za su bayyana. Baya ga tarwatsewar filaye, wasu dalilai kuma za su shafi bayyanar samfurin, kamar haɗaɗɗun ƙazantattun ƙazanta, ɓawon burodi, da dai sauransu. Waɗannan lokuta ana ɗaukar su azaman m.
(2) Tauri
(3) Ƙarfin ɗaurewa
(4) Tsawaitawa
(5) Module mai ƙarfi da ƙarfin ƙaura
(6) Adhesion zuwa substrate
(7) Extrusion: Wannan shine aikin ginin sealant Abun da ake amfani da shi don nuna wahalar abin rufewa idan aka yi amfani da shi. Manne mai kauri mai kauri sosai zai sami ƙarancin extrudability, kuma zai yi wahala sosai don manne lokacin amfani da shi. Duk da haka, idan manne ya yi bakin ciki sosai kawai la'akari da extrudability, zai shafi thixotropy na sealant. Ana iya auna extrudability ta hanyar da aka ƙayyade a cikin ma'auni na ƙasa.
(8) Thixotropy: Wannan wani abu ne na aikin ginin mashin ɗin. Thixotropy shine kishiyar ruwa, wanda ke nufin cewa mai ɗaukar hoto zai iya canza siffarsa kawai a ƙarƙashin wani matsi, kuma yana iya kula da siffarsa lokacin da babu karfi na waje. siffar ba tare da gudana ba. Ƙaddamar da sag da aka ƙayyade ta ma'auni na ƙasa shine hukunci na thixotropy na sealant.
Lokacin aikawa: Nuwamba-04-2022