qhia
Qhuav mix mortar yog sib xyaw ntawm cov cement, xuab zeb thiab tshuaj ntxiv. Nws yog dav siv nyob rau hauv kev tsim kho vim nws zoo heev tag thiab durability. Ib qho ntawm cov khoom tseem ceeb ntawm cov tshuaj khib nyiab qhuav yog hydroxypropyl methylcellulose (HPMC), uas ua raws li kev khi thiab muab qhov xav tau sib xws. Hauv tsab xov xwm no peb tham txog cov txiaj ntsig ntawm kev siv dej khaws cia HPMC hauv cov tshuaj khib nyiab qhuav.
Vim li cas cov tshuaj khib nyiab qhuav yuav tsum tau HPMC?
Dry-mix mortars yog cov sib tov sib xyaw ntawm cov khoom sib txawv uas xav tau kev sib xyaw kom tiav kom ua tiav qhov xav tau sib xws. HPMC yog siv los ua cov ntawv khi rau hauv cov khoom sib xyaw qhuav kom ntseeg tau tias txhua tus tib neeg cov khoom sib txuas ua ke. HPMC yog cov hmoov dawb uas yooj yim soluble hauv dej thiab muaj cov khoom nplaum zoo heev. Tsis tas li ntawd, nws pab khaws cov dej noo hauv cov tshuaj khib nyiab qhuav.
Cov txiaj ntsig ntawm Kev Siv Dej Retention HPMC hauv Qhuav-Mix Mortar
1. ruaj khov zoo
Kev tuav dej siab HPMC pab tswj qhov sib xws ntawm cov tshuaj khib nyiab qhuav. Nws pab cov mortar kov zoo dua thiab muab qhov chaw du. Kev siv cov khoom zoo HPMC lav cov khoom sib xyaw qhuav ntawm qhov zoo ib yam tsis hais txog qhov loj me thiab qhov chaw cia.
2. Kev ua haujlwm zoo dua
Kev tuav dej siab HPMC yog ib feem tseem ceeb ntawm cov tshuaj khib nyiab qhuav, uas tuaj yeem muab kev ua haujlwm zoo dua. Nws ua raws li cov roj nplua nyeem thiab txo kev sib txhuam ntawm cov tshuaj khib thiab cov substrate. Nws kuj txo qhov tsim ntawm pob thiab txhim kho qhov sib xyaw ntawm cov khoom sib xyaw qhuav. Qhov tshwm sim yog smoother, sib tov ua haujlwm ntau dua.
3. Txhim kho adhesion
Kev tuav dej siab HPMC tuaj yeem txhim kho kev sib raug zoo ntawm cov tshuaj khib nyiab qhuav. Nws pab kom qhuav-sib tov mortar daim ntawv cog lus zoo dua rau lub substrate, muab kev ua tiav ntev dua. HPMC kuj tseem tuaj yeem pab txo lub sijhawm ziab ntawm cov khoom sib xyaw qhuav, uas txhais tau hais tias tsawg dua lub sijhawm rau cov mortar los teeb, ua rau kom tsawg dua thiab tawg.
4. Ntxiv yooj
Kev tuav dej siab HPMC muab kev yooj yim ntxiv rau cov khoom sib tov qhuav. Nws txhim kho cov khoom elastic ntawm mortar kom nws tuaj yeem tiv taus thermal expansion thiab contraction. Qhov kev ua kom yooj yim no kuj txo qhov kev pheej hmoo ntawm kev tawg vim kev ntxhov siab nyob rau hauv ib puag ncig ib puag ncig.
5. Kev tuav dej
Kev tuav dej ntawm kev tuav dej siab HPMC yog qhov tseem ceeb heev rau cov tshuaj khib nyiab qhuav. Nws pab tswj cov dej noo ntawm cov mortar, ua kom yooj yim rau kev ua hauj lwm nrog thaum siv. Cov dej tuav cov khoom ntawm HPMC kuj tseem xyuas kom meej tias cov mortar tsis qhuav sai heev, tso cai rau nws los kho kom zoo dua qub, txhim kho kev ua tiav tag nrho.
nyob rau hauv xaus
Kev tuav dej siab HPMC yog ib feem tseem ceeb ntawm cov tshuaj khib nyiab qhuav. Nws txhim kho kev ua haujlwm, sib xws thiab adhesion ntawm cov tshuaj khib. Nws kuj ua rau kom yooj yim thiab dej tuav cov khoom ntawm lub mortar. Zuag qhia tag nrho, kev siv cov khoom zoo HPMC hauv cov tshuaj khib nyiab qhuav kom ntseeg tau tias cov khoom tiav ua tau raws li cov qauv tsim nyog, muab qhov tsim nyog lub zog thiab kav ntev.
Post lub sij hawm: Aug-08-2023