Qhov feem puaSilica yog nyob rau hauv cov tshuaj txhuam hniav?
Silica yog ib yam khoom muaj nyob rau hauv cov tshuaj txhuam hniav uas ua hauj lwm raws li ib tug abrasive los pab tshem tawm cov quav hniav thiab nto stains ntawm cov hniav. Qhov feem pua ntawm silica hauv cov tshuaj txhuam hniav tuaj yeem sib txawv nyob ntawm seb hom hom twg thiab cov mis.
Qhov nruab nrab, cov tshuaj txhuam hniav muaj li ntawm 20 feem pua thiab 40 feem pua silica. Txawm li cas los xij, qee hom tshuaj txhuam hniav tuaj yeem muaj tsawg li 10 feem pua silica lossis ntau npaum li 60 feem pua. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias feem pua ntawm silica hauv cov tshuaj txhuam hniav tsis yog qhov qhia txog nws cov txiaj ntsig hauv kev tu hniav.
Ntxiv nrog rau silica, cov tshuaj txhuam hniav kuj tseem muaj lwm cov tshuaj abrasives xws li calcium carbonate lossis aluminium oxide. Cov khoom xyaw no ua haujlwm ua ke nrog silica los pab tshem tawm cov quav hniav thiab stains.
Thaum silica feem ntau suav hais tias muaj kev nyab xeeb rau kev siv tshuaj txhuam hniav, kev siv ntau dhau tuaj yeem ua rau enamel yaig thiab cov hniav rhiab heev. Nws yog ib txwm zoo ua raws li cov lus qhia ntawm cov tshuaj txhuam hniav thiab siv tsuas yog cov nyiaj pom zoo.
Zuag qhia tag nrho, qhov feem pua ntawm silica hauv cov tshuaj txhuam hniav yuav txawv, tab sis nws yog ib qho tseem ceeb hauv kev pab kom cov hniav huv si thiab noj qab nyob zoo. Los ntawm kev siv tshuaj txhuam hniav nrog qhov tsim nyog ntawm silica thiab lwm yam abrasives, cov tib neeg tuaj yeem ua tiav lub ntsej muag zoo nkauj thiab zoo dua.