Zaɓin danko mai dacewa na Hydroxypropyl Methylcellulose (HPMC) don samar da busassun busassun turmi yana da mahimmanci don tabbatar da ingantaccen aiki da halayen aikace-aikacen samfurin ƙarshe. Wannan zaɓi yana rinjayar kaddarorin da yawa, gami da riƙe ruwa, iya aiki, mannewa, da lokacin buɗewa. Anan ga cikakken jagora don taimaka muku fahimta kuma zaɓi madaidaicin dankowar HPMC don samar da busasshen turmi na putty foda.
Fahimtar HPMC
Hydroxypropyl Methylcellulose (HPMC) wani ether ne wanda ba na ionic cellulose ba wanda aka yi daga polymer cellulose na halitta ta hanyar tsarin sinadarai. Yana aiki azaman mai kauri, ɗaure, tsohon fim, da wakili mai riƙe da ruwa a cikin busassun ƙirar turmi.
Mabuɗin Ayyuka na HPMC a Dry Mortar
Riƙewar Ruwa: Yana tabbatar da isasshen ruwa na siminti da lemun tsami, haɓaka ƙarfin aiki da rage tsagewa.
Kauri: Yana haɓaka danko, yana ba da gudummawa ga ingantaccen aiki da kwanciyar hankali na turmi.
Adhesion: Yana haɓaka ƙarfin haɗin gwiwa na turmi zuwa abubuwan da ake so.
Aiki: Yana shafar sauƙin aikace-aikacen da santsi na gamawa.
Lokacin Buɗe: Yana ƙara lokacin lokacin da turmi ya kasance mai aiki bayan haɗe da ruwa.
Abubuwan da za a yi la'akari da su Lokacin Zabar HPMC Danko
Bukatun Aikace-aikacen:
Wall Putty: Yana buƙatar ma'auni tsakanin iya aiki da riƙe ruwa. Yawanci, matsakaicin danko HPMC (50,000 zuwa 100,000mPa.s) ya dace.
Tile Adhesives: Ana buƙatar mafi girman danko (100,000 zuwa 200,000 mPa.s) don ingantaccen mannewa da juriya.
Skim Coat: Ƙananan danko zuwa matsakaici (20,000 zuwa 60,000 mPa.s) don aikace-aikacen santsi da ƙarewa.
Yanayin Muhalli:
Zazzabi da Humidity: Babban danko HPMC na iya samar da mafi kyawun riƙon ruwa a cikin yanayin zafi da bushewa, yana tabbatar da tsayin aiki da rage bushewa da wuri.
Halayen Abubuwan Tusa:
Ƙarfafawa da Ƙimar Ƙarfafawa: Don abubuwan da za su iya sha sosai, HPMC mafi girma yana taimakawa wajen riƙe danshi mai tsawo, hana bushewa da sauri da kuma tabbatar da mafi kyawun mannewa.
Abubuwan Ayyuka da ake so:
Aiki: Mafi girman danko HPMC yana ba da daidaito mai kauri, wanda zai iya inganta sauƙin yadawa da rage sagging.
Lokacin Buɗe: Tsawon lokacin buɗewa yana da kyawawa don aikace-aikace masu girma ko yanayin zafi, ana iya samun su tare da mafi girman danko HPMC.
Resistance Sag: Babban danko yana ba da mafi kyawun juriya na sag, mahimmanci don aikace-aikacen tsaye.
Matakai masu Aiki a Zabar HPMC Dankowar
Kimanta Nau'in Aikace-aikacen:
Ƙayyade idan samfurin na bangon bango ne, mannen tayal, ko rigar siket.
Fahimtar takamaiman buƙatu kamar riƙe ruwa, mannewa, da lokacin buɗewa.
Gwajin Lab:
Gudanar da ƙananan gwaje-gwaje tare da viscosities HPMC daban-daban don lura da aiki.
Auna sigogi kamar riƙe ruwa, iya aiki, da ƙarfin mannewa.
Daidaita Bisa Sakamako:
Daidaita zaɓin danko dangane da sakamakon gwaji.
Tabbatar cewa samfurin ƙarshe ya cika duk aikace-aikace da buƙatun aiki.
Matsakaicin Danko na gama gari don aikace-aikace daban-daban
Wall Putty: 50,000 zuwa 100,000 mPa.s
Tile Adhesives: 100,000 zuwa 200,000 mPa.s
Skim Coat: 20,000 zuwa 60,000 mPa.s
Tasirin Danko akan Ayyuka
Low Viscosity HPMC (<50,000 mPa.s): Yana ba da kyakkyawan aiki da aikace-aikacen santsi. Ƙananan tasiri a cikin riƙewar ruwa da juriya na sag. Ya dace da kyawawan sutturar ƙarewa da riguna masu ƙyalli. Matsakaicin Dankowar Matsakaici HPMC (50,000 - 100,000 mPa.s): Daidaita riƙe ruwa da iya aiki. Ya dace da aikace-aikacen putty na bango na gabaɗaya. Yana haɓaka mannewa da buɗe lokaci a matsakaici. Babban Dankowa HPMC (> 100,000mPa.s):
Kyakkyawan riƙewar ruwa da abubuwan mannewa.
Better sag juriya da bude lokaci.
Mafi dacewa don tile adhesives da babban aikin putty formulations.
Zaɓin madaidaicin danko na HPMC don samar da busasshen busassun busassun busassun busassun turmi shine yanke shawara mai yawa wanda ke shafar aikin gabaɗayan samfurin da amfani. Ta la'akari da buƙatun aikace-aikacen, yanayin muhalli, halayen kayan tushe, da kaddarorin aikin da ake so, masana'antun za su iya zaɓar ƙimar HPMC da ta dace. Gudanar da cikakken gwajin gwaje-gwaje da gyare-gyare yana tabbatar da cewa dankon da aka zaɓa ya dace da takamaiman bukatun aikace-aikacen da aka yi niyya, yana haifar da inganci, ingantaccen samfur.
Lokacin aikawa: Mayu-23-2024