1. Kab rov tav ib lub ncej qhuav mortar sib tov Qhov sib tov ceev heev thiab lub sijhawm sib tov ntawm txhua qhov kev sib tw yog 3 txog 5 feeb. Dhau li ntawm qhov ntawd, qhov sib tov sib xws yog siab.
2. Yuav tsis muaj kev sib xyaw thaum lub sijhawm sib tov thaum lub cev ntawm cov khoom siv nrog qhov sib txawv ntawm qhov ceev, qhov sib txawv, cov duab, thiab lwm yam.
3. Lub zog siv ib tuj tsis ntau, 60% qis dua li ntawm cov kab rov tav sib xyaw kab rov tav.
4. Lub tshuab txiav cov yoov ceev ceev, uas tuaj yeem kho tau ntxiv rau ntawm lub tshuab sib tov, tuaj yeem tawg cov ntaub ntawv fibrous sai thiab ua haujlwm tau zoo;
5. Lub tshuab sib tov hmoov qhuav muaj ntau yam kev siv. Lub tshuab sib tov ob chav tuaj yeem ua los ntawm cov hlau carbon, cov hlau semi-stainless thiab cov hlau stainless tag nrho raws li qhov xav tau ntawm cov neeg siv khoom thiab nws tshwj xeeb tshaj yog siv rau kev sib tov cov ntaub ntawv meej heev.
Yav dhau los: Laboratory twin ncej sib tov ua vaj tse Tom ntej no: Planetary mixer rau refractory
