ntsib thawj zaug
CUG CUG CUG QHUAV QUAV TOV YOG KEV SIB HLOOV NTAWM CEMENT, cov xuab zeb thiab tshuaj ntxiv. Nws yog dav siv nyob rau hauv kev tsim kho vim yog nws zoo heev tiav thiab ruaj khov. Ib qho ntawm cov txheej txheem theem ntawm cov tshuaj khib qhuav yog hydroxypropyl methylenculose (HPMC), uas ua raws li phau ntawv sau thiab muab cov kev xav tau zoo sib xws. Hauv zaj no peb tham txog cov txiaj ntsig ntawm kev siv dej siab ceev hpmc hauv kev sib xyaw qhuav.
Vim li cas cov tshuaj khib nyiab qhuav-xyaw yuav tsum muaj HPMC?
Kev sib xyaw qhuav-sib xyaw ua ke yog cov sib xyaw sib txawv ntawm cov khoom sib txawv uas yuav tsum tau ua kom zoo ua kom tiav qhov xav tau. HPMC yog siv los ua phau ntawv hauv kev sib xyaw kom qhuav kom ntseeg tau tias txhua tus ntawm ib leeg sib cog lus ua ke. HPMC yog cov hmoov dawb uas yooj yim soluble hauv dej thiab muaj cov khoom nplaum zoo heev. Ib qho ntxiv, nws pab khaws cov dej noo hauv cov cug qhuav.
Cov txiaj ntsig ntawm kev siv dej siab ceev hpmc hauv tov cug tov
1. Cov khoom lag luam ruaj khov
Dej siab ceev ceev HPMC pab tswj kom muaj kev sib xyaw ntawm cov cug tov qhuav. Nws pab cov tshuaj khib kev sib tsoo zoo dua thiab muab qhov chaw du. Kev siv ntawm cov khoom lag luam zoo HPMC lav tias qhuav-sib ke mortars ntawm cov khoom zoo ib yam tsis hais txog kev sib tw loj thiab kev cia khoom.
2. Cov kev ua haujlwm zoo dua
Dej siab ceev ceev HPMC yog qhov tseem ceeb ntawm cov tshuaj khib nyiab uas qhuav huv, uas tuaj yeem muab cov haujlwm ua haujlwm zoo. Nws ua raws li cov roj nplua nyeem thiab txo cov kev sib txhuam ntawm cov tshuaj khib thiab txheej. Nws kuj ntov kev tsim cov lumps thiab txhim kho cov kev sib xyaw ua ke ntawm cov khoom sib xyaw kom qhuav. Qhov tshwm sim yog qhov sib xyaw ua ke, muaj kev sib xyaw ua ke ntau dua.
3. Txhim Kho Adhesion
Kev khiav dej siab HPMC tuaj yeem txhim kho txoj kev sib txuas ua haujlwm ntawm cov cug tov qhuav. Nws pab kom qhuav cug kab sib khi zoo dua rau cov substrate, muab ib qho kev ua tiav ntau dua. HPMC kuj tseem tuaj yeem pab txo lub sijhawm ziab no uas muaj cov mortars qhuav, uas txhais tau tias tsawg dua yuav tsum tau muab tshuaj khib nyiab kom teeb tsa, ua rau muaj kev sib tsoo tsawg dua thiab tawg.
4. Ntxiv yooj yooj yim
Dej siab khaws nyiaj HPMC muab qhov yooj yooj ntxiv rau kev sib cais sib xyaw. Nws txhim kho cov khoom elastic ntawm lub tshuaj khib nyiab kom nws tuaj yeem tiv taus thermal nthuav dav thiab condaction. Qhov kev sib txuas no nce ntxiv kuj txo qis kev pheej hmoo ntawm kev tawg vim kev ntxhov siab nyob rau hauv ib puag ncig ib puag ncig.
5. Dej ceev ceev
Cov dej ua kom ua tau zoo ntawm cov dej siab HPMC yog qhov tseem ceeb heev rau kev sib xyaw qhuav-sib xyaw. Nws pab kom muaj cov ntsiab lus noo ntawm lub tshuaj khib, ua kom nws yooj yim dua ua haujlwm nrog thaum kev tsim kho. Cov khoom siv dej-khaws cia ntawm HPMC kuj tseem ua kom pom tseeb tias cov tshuaj khib tsis qhuav sai, cia nws los khom zoo dua, txhim kho cov tiav tag nrho.
Hauv kev xaus
Dej siab ceev ceev HPMC yog qhov tseem ceeb ntawm cov tshuaj khib nyiab qhuav. Nws txhim kho cov haujlwm ua haujlwm, muaj txiaj ntsig thiab cov nplaum nplaum ntawm lub tshuaj khib. Nws kuj tseem nce qhov hloov tau thiab dej rov qab los ntawm lub tshuaj khib. Zuag qhia tag nrho, kev siv cov khoom lag luam zoo HPMC hauv kev sib xyaw kom qhuav uas cov khoom tiav uas tau ua tiav cov qauv yuav tsum tau ua tiav, muab cov khoom tsim nyog thiab lub zog tsim nyog.
Lub sij hawm Post: Lub Yim Hli 08-2023