Ma mortar akunja oteteza kutentha ndi kutsiriza (EIFS) amagwira ntchito yofunika kwambiri popereka chitetezo, kuteteza nyengo komanso kukongola kwa nyumba. Hydroxypropyl methylcellulose (HPMC) ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri mu ma mortar a EIFS chifukwa cha kusinthasintha kwake, kusunga madzi komanso kuthekera kowonjezera kugwira ntchito.
1. Chiyambi cha matope a EIFS:
Sitima ya EIFS ndi chinthu chopangidwa ndi zinthu zosiyanasiyana chomwe chimagwiritsidwa ntchito poteteza ndi kumalizitsa makoma akunja.
Kawirikawiri imakhala ndi simenti yomangira, zinthu zomangira, ulusi, zowonjezera ndi madzi.
Sitima ya EIFS ingagwiritsidwe ntchito ngati choyambira cholumikizira mapanelo oteteza kutentha komanso ngati chophimba chapamwamba kuti chiwonjezere kukongola ndi kutetezedwa ku nyengo.
2.Hydroxypropylmethylcellulose (HPMC):
HPMC ndi ether ya cellulose yochokera ku cellulose yachilengedwe ya polymer.
Amagwiritsidwa ntchito kwambiri popanga zipangizo zomangira chifukwa cha mphamvu zake zosungira madzi, kukhuthala komanso kupangitsa kuti ntchito ikhale yosavuta.
Mu ma mortar a EIFS, HPMC imagwira ntchito ngati chosinthira rheology, kukonza kumamatira, mgwirizano ndi kukana kutsika.
3. Zosakaniza za fomula:
a. Chomangira chopangidwa ndi simenti:
Simenti ya Portland: Imapereka mphamvu ndi kulimba.
Simenti yosakanikirana (monga simenti ya miyala ya Portland): Imawonjezera kulimba komanso imachepetsa mpweya woipa.
b. Kusonkhanitsa:
Mchenga: Kuchuluka ndi kapangidwe kake ka chinthu chosalala.
Zosakaniza zopepuka (monga perlite yokulirapo): Zimathandiza kuti kutentha kusamavutike.
C. ulusi:
Fiberglass yosagwira alkali: Imawonjezera mphamvu yokoka komanso kukana ming'alu.
d. Zowonjezera:
HPMC: kusunga madzi, kugwira ntchito mosavuta, komanso kukana kutsika.
Chothandizira kupumira mpweya: Chimalimbitsa kukana kuzizira ndi kusungunuka.
Wobwezera: Amalamulira nthawi yokhazikitsa nyengo yotentha.
Zosintha za polymer: Zimathandizira kusinthasintha komanso kulimba.
e. Madzi: Ofunika kwambiri kuti madzi azikhala onyowa komanso kuti ntchito ikhale yosavuta.
4. Makhalidwe a HPMC mu matope a EIFS:
a. Kusunga Madzi: HPMC imayamwa ndi kusunga madzi, kuonetsetsa kuti madzi amakhala okwanira kwa nthawi yayitali komanso kuti igwire bwino ntchito.
b. Kugwira ntchito bwino: HPMC imapangitsa kuti matope akhale osalala komanso osasunthika, zomwe zimapangitsa kuti ntchito yomanga ikhale yosavuta.
C. Kuletsa kutsika: HPMC imathandiza kuti matope asagwedezeke kapena kugwa pamalo oyima, zomwe zimathandiza kuti makulidwe ake akhale ofanana.
d. Kumatirira: HPMC imathandizira kuti matope ndi zinthu zina zigwirizane bwino, zomwe zimathandiza kuti matopewo azigwira ntchito kwa nthawi yayitali komanso kuti zinthu zizikhala zolimba.
e. Kukana ming'alu: HPMC imawonjezera kusinthasintha ndi mphamvu yolumikizirana kwa matope ndikuchepetsa chiopsezo cha ming'alu.
5. Njira yosakanizira:
a. Njira yonyowetsa madzi:
Thirani madzi a HPMC mu chidebe choyera chokhala ndi pafupifupi 70-80% ya madzi onse osakaniza.
Sakanizani bwino zosakaniza zouma (simenti, aggregate, ulusi) mu chosakanizira.
Pang'onopang'ono onjezerani yankho la HPMC lomwe lanyowetsedwa kale pamene mukusakaniza mpaka litakwanira bwino.
Sinthani kuchuluka kwa madzi ngati pakufunika kuti mugwire bwino ntchito.
b. Njira yosakaniza youma:
Sakanizani mouma HPMC ndi zosakaniza zouma (simenti, zosakaniza, ulusi) mu chosakanizira.
Pang'onopang'ono onjezerani madzi pamene mukusakaniza mpaka mutapeza kusakaniza komwe mukufuna.
Sakanizani bwino kuti muwonetsetse kuti HPMC ndi zosakaniza zina zikufalikira mofanana.
C. Kuyesa Kugwirizana: Kuyesa kuyanjana ndi HPMC ndi zowonjezera zina kuti zitsimikizire kuyanjana bwino ndi magwiridwe antchito.
6. Ukadaulo wogwiritsa ntchito:
a. Kukonzekera nthaka: Onetsetsani kuti nthaka ndi yoyera, youma komanso yopanda zinthu zodetsa.
b. Kugwiritsa ntchito koyamba:
Ikani EIFS Mortar Primer pa substrate pogwiritsa ntchito trowel kapena zida zopopera.
Onetsetsani kuti makulidwe ake ndi ofanana ndipo chophimba chake chili bwino, makamaka m'mphepete ndi m'makona.
Ikani bolodi lotetezera kutentha mu matope onyowa ndipo mulole nthawi yokwanira kuti iume.
C. Kugwiritsa Ntchito Topcoat:
Ikani chovala cha EIFS pamwamba pa pulasitala wotsukidwa pogwiritsa ntchito trowel kapena zida zopopera.
Kapangidwe kapena malo omalizidwa monga momwe mukufunira, kusamala kuti mukhale ofanana komanso okongola.
Konzani topcoat motsatira malangizo a wopanga kuti muiteteze ku nyengo yoipa.
7. Kuwongolera khalidwe ndi kuyesa:
a. Kusasinthasintha: Yang'anirani kusinthasintha kwa matope panthawi yonse yosakaniza ndi kugwiritsa ntchito kuti muwonetsetse kuti ali ofanana.
b. Kumatira: Kuyesa kutitira kuchitike kuti awone mphamvu ya mgwirizano pakati pa matope ndi substrate.
C. Kugwira Ntchito: Kuwunika momwe ntchito ikuyendera kudzera mu kuyesa kutsika kwa nthaka ndi kuwona momwe ntchito ikuyendera panthawi yomanga.
d. Kulimba: Chitani mayeso okhazikika, kuphatikizapo kuzizira ndi kusungunuka ndi kutseka madzi, kuti muwone momwe zinthu zikuyendera kwa nthawi yayitali.
Kugwiritsa ntchito HPMC popanga ma mortar a EIFS kumapereka ubwino wambiri pankhani yogwira ntchito bwino, kumamatira, kukana kugwa komanso kulimba. Mwa kumvetsetsa makhalidwe a HPMC ndikutsatira njira zoyenera zosakaniza ndi kugwiritsa ntchito, makontrakitala amatha kupeza ma EIFS abwino kwambiri omwe amakwaniritsa miyezo yogwirira ntchito ndikuwonjezera kukongola ndi moyo wautali wa nyumba.
Nthawi yotumizira: Feb-23-2024