Dab tsi yog cov khoom siv zoo rau lub raj mis iav?
Sep 23, 2023
1.Soda-lime iav raj mis
Lub khob dej qab zib ib txwm muaj nyob rau hauv portland iav, nws lub ntsiab lus tseem ceeb yog silicon dioxide, calcium oxide thiab sodium oxide.Ib txwm loj heev, nws tsis muaj teeb meem hauv dej txias, tab sis nws yooj yim heev rau tawg thaum nws ntsib txias thiab kub. koj yuav tsum siv nws, koj tuaj yeem tso dej kub hauv lub raj mis ua ntej, ua kom lub raj mis lub cev sov.
2.Borosilicate iav raj mis
Cov khoom tseem ceeb ntawm borosilicate iav fwj yog boron trioxide thiab silica, uas yuav tsis tawg thaum txias thiab kub, txawm tias tawg tawg, cov iav tawg yog cov khoom loj, tsis tsuas yog yooj yim los ntxuav, tab sis kuj zam kev puas tsuaj. Borosilicate iav muab faib ua siab thiab nruab nrab, Tsawg borosilicate iav, peb muaj ntau yog cov iav borosilicate siab, siab borosilicate tuaj yeem tiv taus qhov kub thiab txias siab tshaj 150 degree, qis borosilicate tuaj yeem tiv taus qhov kub thiab txias siab tshaj 100 degree.
