Cov sealant tau txhaj rau hauv cov khoom siv yuav kho tsis tau, thiab nws yuav rov qab ua rau cov khoom siv tau yooj yim rau hauv lub sijhawm, thiab qhov kub yuav tsis hloov ntau dhau; Nws qhov zoo dua yog tias nws tuaj yeem hloov kho kom kub txog 1200 degrees, tsis muaj kev kho, thiab yuav ib txwm yog tib yam thaum txhaj kua nplaum. Thaum muaj kev xau, nws yooj yim heev rau kev rov ua cov kua nplaum. Qhov kev txiav se ntawm no yog tshwj xeeb yooj yim vim qhov sib ntxiv ntawm cov ntaub ntawv molecular ntau, thiab nws yuav tsum tau ua ke maj mam, thiab cov tsos yog ntxhib thiab ywj. Muaj ntau cov kua nplaum, cov xov hlau, khij xov tooj, siv tau rau cov dej ultra, muaj peev xwm siv tau rau hauv ib qho nruab nrab, tuaj yeem xaiv 32 # thiab lwm yam plaub yam ntawm kev foob.