Muaj kev tshaj tawm tias cov nplaum silicone rau cov qauv tsev feem ntau siv rau qhov kub ntawm 5 ~ 40 ℃. Thaum qhov kub ntawm qhov chaw ntawm lub substrate siab dhau (saum toj no 50 ℃), kev tsim kho tsis tuaj yeem ua tiav. Lub sijhawm no, kev tsim kho yuav ua rau cov tshuaj kho sai dhau, thiab cov khoom me me uas tsim tawm tsis muaj sijhawm tawm ntawm qhov chaw ntawm colloid, thiab sib sau ua ke hauv colloid los ua npuas, yog li ua rau puas tsuaj rau qhov zoo li ntawm qhov chaw ntawm cov kua nplaum sib koom ua ke. Yog tias qhov kub qis dhau, qhov ceev ntawm cov tshuaj kho yuav qeeb qeeb, thiab cov txheej txheem kho yuav ntev heev. Thaum lub sijhawm no, cov khoom siv yuav nthuav dav lossis cog lus vim qhov sib txawv ntawm qhov kub, thiab kev rho tawm ntawm cov tshuaj sealant tuaj yeem ua rau qhov zoo li tsis zoo.
Thaum qhov kub qis dua 4 ℃, qhov chaw ntawm lub substrate yooj yim rau condense, khov thiab te, uas coj kev phom sij zais rau kev sib txuas. Txawm li cas los xij, yog tias koj ceev faj ntxuav cov dej noo, icing, te thiab paub qee qhov me me, cov nplaum rau kev tsim kho kuj tseem siv tau rau kev tsim kho nplaum ib txwm muaj.
Kev ntxuav cov khoom siv ntawm qhov chaw yog qhov tseem ceeb rau kev sib khi thiab kev sib txuas. Ua ntej sib txuas, lub substrate yuav tsum tau ntxuav nrog cov tshuaj yaj. Txawm li cas los xij, qhov ua kom cov tshuaj ntxuav thiab ua kom sib npaug yuav ua rau dej ntau dhau, uas yuav ua rau qhov kub ntawm qhov chaw ntawm lub substrate qis dua qhov kub ntawm qhov chaw ntawm cov kab lis kev cai qhuav. Hauv ib puag ncig uas muaj qhov kub qis dua, nws yooj yim hloov cov dej ib puag ncig mus rau lub substrate ib qho zuj zus. Nws nyuaj rau qee tus neeg ua haujlwm pom qhov chaw ntawm cov khoom siv. Raws li qhov xwm txheej ib txwm muaj, nws yooj yim ua rau kev sib txuas tsis ua haujlwm thiab kev sib cais ntawm cov sealant thiab lub substrate. Txoj hauv kev kom tsis txhob muaj cov xwm txheej zoo sib xws yog ntxuav lub substrate nrog daim ntaub qhuav raws sijhawm tom qab ntxuav lub substrate nrog cov tshuaj yaj. Cov dej condensed kuj tseem yuav raug so kom qhuav los ntawm daim ntaub, thiab nws zoo dua los siv kua nplaum raws sijhawm.
Thaum qhov kev nthuav dav thermal thiab kev hloov pauv txias ntawm cov khoom vim qhov kub thiab txias loj dhau, nws tsis haum rau kev tsim kho. Thaum tsim cov khoom siv silicone sealant txav mus rau hauv ib qho kev taw qhia tom qab kho, nws tuaj yeem ua rau cov sealant tseem nyob hauv qhov nro lossis compression, uas tuaj yeem ua rau cov sealant txav mus rau hauv ib qho kev taw qhia tom qab kho.
Lub sijhawm tshaj tawm: Tsib Hlis-20-2022