Wall putty wani muhimmin bangare ne na aikin zanen. Cakuda ne na masu ɗaure, filler, pigments da ƙari waɗanda ke ba da ƙasa mai santsi. Duk da haka, yayin da ake gina bangon bango, wasu matsaloli na yau da kullum na iya bayyana, kamar lalata, kumfa, da dai sauransu. Deburing shine cire kayan da ya wuce gona da iri daga saman, yayin da kumburi shine samuwar ƙananan aljihun iska a saman. Duk waɗannan batutuwa na iya shafar bayyanar ƙarshe na bangon fentin. Duk da haka, akwai mafita ga waɗannan matsalolin - yi amfani da HPMC a cikin bangon bango.
HPMC tana nufin hydroxypropyl methylcellulose. Wani fili ne da ake amfani da shi sosai a masana'antu daban-daban ciki har da gine-gine. HPMC shine ingantaccen ƙari ga bangon bango kamar yadda yake haɓaka iya aiki, haɗin kai da ƙarfin cakuda. Ɗaya daga cikin mahimman fa'idodin amfani da HPMC shine ikon rage ɓarnawa da kumburi. Anan ga taƙaitawar yadda HPMC zata iya taimakawa kawar da waɗannan batutuwa:
Deburing
Deburring matsala ce ta gama gari yayin amfani da bangon bango. Wannan yana faruwa lokacin da akwai abubuwan da suka wuce gona da iri a saman da ake buƙatar cirewa. Wannan na iya haifar da rashin daidaituwa da kuma rarraba fenti mara daidaituwa lokacin zanen bango. Ana iya ƙara HPMC zuwa gaurayawar bango don hana walƙiya daga faruwa.
HPMC yana aiki azaman mai ragewa a cikin bangon bango, yana rage lokacin bushewa na cakuda. Wannan yana ba da damar isasshen lokaci don daidaitawa a saman ba tare da haɓaka kayan abu ba. Tare da HPMC, ana iya amfani da cakuda putty a cikin Layer guda ɗaya ba tare da sake aikace-aikacen ba.
Bugu da kari, HPMC yana ƙaruwa gaba ɗaya danko na gauran saƙar bango. Wannan yana nufin cakuda ya fi karko kuma yana da wuya ya rabu ko agglomerate. A sakamakon haka, cakuda bangon putty ya fi sauƙi don yin aiki tare da yaduwa cikin sauƙi a saman, rage buƙatar ƙaddamarwa.
kumfa
Blisting wata matsala ce ta gama gari da ke faruwa yayin ginin bangon bango. Wannan yana faruwa a lokacin da putty ya samar da ƙananan aljihun iska a saman yayin da yake bushewa. Waɗannan aljihunan iska na iya haifar da ƙasa marar daidaituwa da lalata yanayin bangon ƙarshe lokacin da aka fentin shi. HPMC na iya taimakawa hana waɗannan kumfa daga samuwa.
HPMC yana aiki azaman fim na baya a cikin bangon bango. Lokacin da putty ya bushe, yana samar da fim na bakin ciki a saman abin da aka sanya. Wannan fim ɗin yana aiki a matsayin shinge, yana hana danshi shiga zurfi cikin bangon bango da ƙirƙirar aljihunan iska.
Bugu da kari, HPMC kuma yana ƙara ƙarfin haɗin gwiwa na bangon putty zuwa saman. Wannan yana nufin putty yana manne mafi kyau ga saman, yana rage samuwar aljihun iska ko rata tsakanin putty da saman. Tare da HPMC, cakudawar bangon putty yana samar da alaƙa mai ƙarfi tare da saman, yana hana kumburi daga faruwa.
a karshe
Wall putty wani muhimmin bangare ne na tsarin zanen, kuma yana da mahimmanci don tabbatar da cewa yana da kyau. Abin da ya faru na ɓarna da blister zai iya rinjayar bayyanar ƙarshe na bangon fentin. Koyaya, yin amfani da HPMC azaman ƙari ga bangon bango na iya taimakawa kawar da waɗannan matsalolin. HPMC yana aiki azaman saiti na retarder, yana haɓaka dankowar cakuda kuma yana hana wuce gona da iri daga sama. A lokaci guda, yana taimakawa wajen haifar da haɗin gwiwa mai ƙarfi tsakanin bangon bango da farfajiya, yana hana samuwar aljihun iska da kumfa. Yin amfani da HPMC a cikin bangon bango yana tabbatar da cewa bayyanar ƙarshe na bangon fentin yana da santsi, har ma da cikakke.
Lokacin aikawa: Agusta-05-2023