Foda Mica ma'adinai ne wanda ba na ƙarfe ba wanda ya ƙunshi sassa da yawa, galibi SiO2, tare da abun ciki gabaɗaya kusan 49% da abun ciki na Al2O3 kusan 30%. Foda Mica tana da kyakkyawan sassauci da tauri. Kyakkyawan ƙari ne mai halaye kamar rufi, juriyar zafi mai yawa, juriyar acid da alkali, juriyar tsatsa, da mannewa mai ƙarfi. Ana amfani da shi sosai a masana'antu kamar kayan lantarki, lantarki na walda, roba, robobi, yin takarda, fenti, shafa, pigments, yumbu, kayan kwalliya, sabbin kayan gini, da sauransu, tare da aikace-aikace masu faɗi sosai. Tare da ci gaba da haɓaka kimiyya da fasaha, mutane sun buɗe sabbin filayen aikace-aikace. Foda Mica tsari ne na silicate mai layi wanda ya ƙunshi layuka biyu na silica tetrahedra tare da Layer ɗaya na aluminum oxide octahedra, yana samar da Layer na silica mai haɗawa. An raba shi gaba ɗaya, yana da ikon rabawa zuwa zanen gado mai siriri sosai, tare da kauri har zuwa 1 μ Ƙasa da m (a ka'ida, ana iya yanke shi zuwa 0.001) μ m), tare da rabon diamita da kauri mafi girma; Tsarin sinadarai na lu'ulu'u na mica foda shine: K0.5-1 (Al, Fe, Mg) 2 (SiAl) 4O10 (OH) 2 ▪ NH2O, sinadaran gabaɗaya: SiO2: 43.13-49.04%, Al2O3: 27.93-37.44%, K2O+Na2O: 9-11%, H2O: 4.13-6.12%.

Foda Mica na cikin lu'ulu'u ne na monoclinic, waɗanda suke cikin siffar sikeli kuma suna da sheƙi mai laushi (muscovite yana da sheƙi mai gilashi). Tubalan tsarkakakku sune launin toka, fure mai launin shunayya, fari, da sauransu, tare da rabon diamita da kauri na >80, takamaiman nauyi na 2.6-2.7, tauri na 2-3, sassauci mai yawa, juriya ga lalacewa da juriya; Rufin da ke jure zafi, mai wahalar narkewa a cikin mafita na tushen acid, kuma yana da daidaito a cikin sinadarai. Bayanan gwaji: modulus na roba 1505-2134MPa, juriya ga zafi 500-600 ℃, juriyar zafi 0.419-0.670W. (mK), rufin lantarki 200kv/mm, juriyar radiation 5 × 1014 hasken thermal neutron/cm.

Bugu da ƙari, sinadaran da ke cikin foda mica, tsari, da tsarinsa sun yi kama da na kaolin, kuma yana da wasu halaye na ma'adanai na yumbu, kamar warwatsewa mai kyau da dakatarwa a cikin ruwa da abubuwan narkewa na halitta, launin fari, ƙananan barbashi, da mannewa. Saboda haka, foda mica yana da halaye da yawa na ma'adanai na mica da yumbu.

Ganewar foda na mica abu ne mai sauƙi. Dangane da ƙwarewa, gabaɗaya akwai hanyoyi masu zuwa don amfaninka kawai:

1、 Farin foda na mica bai yi yawa ba, kimanin 75. Sau da yawa ina samun tambayoyi daga abokan ciniki, suna cewa farin foda na mica yana kusa da 90. A yanayi na yau da kullun, farin foda na mica gabaɗaya ba ya da yawa, kusan 75 ne kawai. Idan aka sha shi da wasu abubuwan cikawa kamar calcium carbonate, foda na talc, da sauransu, farin zai inganta sosai.

2、Fodar Mica tana da tsari mai laushi. A ɗauki beaker, a zuba ruwa mai tsarki 100ml, sannan a gauraya da sandar gilashi don ganin cewa dakatarwar foda mica tana da kyau sosai; Sauran abubuwan cikawa sun haɗa da foda mai haske, foda talc, calcium carbonate da sauran kayayyaki, amma aikin dakatarwarsu bai yi kyau kamar foda mica ba.

3、 A shafa ɗan ƙaramin adadinsa a wuyan hannunka, wanda ke da ɗan tasirin pearlescent. Foda Mica, musamman foda sericite, tana da wani tasirin pearlescent kuma ana amfani da ita sosai a masana'antu kamar kayan kwalliya, shafa, robobi, roba, da sauransu. Idan foda mica da aka saya ba shi da tasirin pearlescent mara kyau ko babu, ya kamata a kula da shi a wannan lokacin.

Babban amfani da foda mica a cikin shafa.

Amfani da foda na mica a cikin shafa yana nuna galibi ta waɗannan fannoni:

1. Tasirin shinge: Masu cikawa kamar zanen suna samar da tsari mai kama da juna a cikin fim ɗin fenti, kuma shigar ruwa da sauran abubuwa masu lalata cikin fim ɗin fenti yana toshewa sosai. Lokacin da aka yi amfani da foda mai inganci na sericite (rabo daga diamita zuwa kauri na guntu ya kai aƙalla sau 50, zai fi dacewa fiye da sau 70), lokacin shigar ruwa da sauran abubuwa masu lalata ta cikin fim ɗin fenti gabaɗaya yana ƙaruwa da sau uku. Saboda gaskiyar cewa masu cika foda na sericite sun fi rahusa fiye da resins na musamman, suna da ƙimar fasaha da tattalin arziki mai yawa. Amfani da foda mai inganci na sericite hanya ce mai mahimmanci don inganta inganci da aikin shafa fenti na hana lalata da kuma shafa bangon waje. A lokacin aikin shafa, ana sanya guntun sericite a cikin matsin lamba kafin fim ɗin fenti ya taurare, yana samar da tsari ta atomatik wanda yake daidai da juna kuma yana kan saman fim ɗin fenti. Wannan tsari na Layer-by-Layer, tare da daidaitawarsa daidai da alkiblar da abubuwa masu lalata ke shiga fim ɗin fenti, yana da tasirin shinge mafi inganci.
2. Inganta halayen zahiri da na injiniya na fim ɗin fenti: Amfani da foda na sericite na iya inganta jerin halayen jiki da na injiniya na fim ɗin fenti. Mabuɗin shine halayen siffar na mai cika, wato rabon diamita zuwa kauri na mai cika kamar takarda da rabon tsayi zuwa diamita na mai cika fiber. Mai cika granular, kamar yashi da dutse a cikin siminti, yana taka rawa wajen ƙarfafa sandunan ƙarfe.
3. Inganta juriyar lalacewa ta fim ɗin fenti: Taurin resin da kansa yana da iyaka, kuma ƙarfin abubuwan cikawa da yawa ba shi da yawa (kamar foda talc). Akasin haka, sericite yana ɗaya daga cikin abubuwan da ke cikin granite, tare da tauri mai yawa da ƙarfin injina. Saboda haka, ƙara foda sericite a matsayin cikawa a cikin murfin na iya inganta juriyar lalacewa sosai. Yawancin murfin mota, murfin hanya, murfin hana tsatsa na inji, da murfin bango suna amfani da foda sericite.
4. Aikin rufewa: Sericite yana da juriya mai yawa kuma shi kansa shine mafi kyawun kayan rufewa. Yana samar da hadadden tsari tare da resin silicon na halitta ko resin silicon boron na halitta kuma yana mayar da shi kayan yumbu mai kyau tare da ingantaccen ƙarfin injiniya da aikin rufewa lokacin da ake fuskantar yanayin zafi mai yawa. Saboda haka, wayoyi da kebul da aka yi da wannan nau'in kayan rufewa har yanzu suna riƙe da yanayin rufewa na asali koda bayan an ƙone su a cikin wuta. Yana da matukar muhimmanci ga ma'adanai, ramuka, gine-gine na musamman, wurare na musamman, da sauransu.
5. Maganin rage harshen wuta: Fodar Sericite wani abu ne mai matuƙar amfani wajen cike harshen wuta. Idan aka haɗa ta da sinadaran hana harshen wuta na halogen, za a iya shirya maganin hana harshen wuta da kuma shafa mai hana harshen wuta.
6. Juriyar UV da Infrared: Sericite yana da kyakkyawan aiki wajen kariya daga hasken ultraviolet da infrared. Don haka ƙara foda mai laushi na sericite a kan rufin waje zai iya inganta juriyar UV na fim ɗin fenti sosai kuma ya jinkirta tsufa. Ana amfani da aikin kariyarsa ta infrared don shirya kayan rufi da rufi (kamar rufi).
7. Hasken zafi da kuma rufin zafi mai zafi: Sericite yana da kyakkyawan ikon hasken infrared, kamar a hade shi da iron oxide, wanda zai iya haifar da kyakkyawan tasirin hasken zafi.
8. Tasirin rufe sauti da kuma shaƙar girgiza: Sericite na iya canza jerin kayan aiki na zahiri sosai, yana ƙirƙirar ko canza yanayin viscoelasticity ɗinsu. Wannan nau'in kayan yana ɗaukar kuzarin girgiza yadda ya kamata, yana raunana raƙuman girgiza da raƙuman sauti. Bugu da ƙari, maimaitawar raƙuman girgiza da raƙuman sauti tsakanin guntun mica suma suna raunana kuzarinsu. Haka kuma ana amfani da foda na Sericite don shirya murfin kariya daga sauti, hana sauti, da kuma shaƙar girgiza.