Adadin HPMC da ake amfani da shi a aikace ya bambanta dangane da yanayi, zafin jiki, ingancin foda na ash na gida, dabarar foda na putty da "ingancin da abokan ciniki ke buƙata". Gabaɗaya, yana tsakanin kilogiram 4 zuwa 5. Misali: yawancin foda na putty a Beijing shine kilogiram 5; yawancin foda na putty a Guizhou shine kilogiram 5 a lokacin rani da kilogiram 4.5 a lokacin hunturu; adadin putty a Yunnan ƙanana ne, gabaɗaya kilogiram 3 zuwa 4, da sauransu.
Menene dacewar danko na hydroxypropyl methylcellulose (HPMC) don samar da foda na putty?
Fulawar putty gabaɗaya tana da yuan 100,000, kuma buƙatun turmi sun fi girma, kuma ana buƙatar yuan 150,000 don sauƙin amfani. Bugu da ƙari, mafi mahimmancin aikin HPMC shine riƙe ruwa, sannan kauri. A cikin foda putty, matuƙar riƙe ruwa yana da kyau kuma ɗanɗanon ya yi ƙasa (70,000-80,000), haka nan yana yiwuwa. Tabbas, mafi girman ɗanɗanon, mafi kyawun riƙe ruwa. Lokacin da ɗanɗanon ya wuce 100,000, ɗanɗanon zai shafi riƙe ruwa. Ba a ƙara yin hakan ba.
Menene babban aikin amfani da HPMC a cikin foda na putty?
A cikin foda na putty, HPMC tana taka rawa guda uku na kauri, riƙe ruwa da kuma ginawa.
Kauri: Ana iya ƙara kauri a cellulose don a dakatar da shi sannan a ci gaba da daidaita ruwan sama da ƙasa, sannan a hana yin kasa.
Rike ruwa: sa foda na putty ya bushe a hankali, kuma taimaka wa tokar calcium ta mayar da martani a ƙarƙashin aikin ruwa.
Ginawa: Cellulose yana da tasirin shafawa, wanda zai iya sa foda putty ya yi kyau.
HPMC ba ya shiga cikin duk wani abu na sinadarai, amma yana taka rawa kawai. Ƙara ruwa a cikin foda na putty da sanya shi a bango wani abu ne na sinadarai, saboda ana samar da sabbin abubuwa. Idan ka cire foda na putty da ke kan bango daga bango, ka niƙa shi ya zama foda, sannan ka sake amfani da shi, ba zai yi aiki ba saboda an samar da sabbin abubuwa (calcium carbonate). Babban abubuwan da ke cikin foda na toka sune: cakuda Ca(OH)2, CaO da ƙaramin adadin CaCO3, CaO H2O=Ca(OH)2—Ca(OH)2 CO2=CaCO3↓ H2O Matsayin ash calcium a cikin CO2 a cikin ruwa da iska A ƙarƙashin wannan yanayin, ana samar da calcium carbonate, yayin da HPMC ke riƙe ruwa kawai, yana taimakawa wajen inganta amsawar ash calcium, kuma baya shiga cikin kowane abu da kansa.
Lokacin Saƙo: Mayu-09-2023