Asphalt sib tov cog yog chav npaj kev npaj tshwj xeeb, uas suav nrog ntau cov khoom siv hauv sab hauv, thiab plua plav lim yog ib qho ntawm lawv. Txhawm rau kom tau raws li qhov yuav tsum tau ua ntawm asphalt sib tov, yam txuj ci dab tsi yog cov plua tshauv ntawm lim ntawm no muaj?

Los ntawm nws sab hauv kev pom, hmoov plua plav lim ntawm cov asphalt sib xyaw cov nroj tsuag tshwj xeeb ua kom muaj cov qauv lim dej tshwj xeeb, uas muaj qhov chaw sib xyaw thiab txuag chaw; Thiab nws tau txais ib qho qauv qauv tsim qauv, uas tsis tsuas yog muaj kev sib khi zoo, tab sis kuj tuaj yeem ntsia tau yooj yim dua, muaj lub sijhawm nres tsheb. Los ntawm nws txoj haujlwm pom ntawm kev pom, cov plua plav tawm lim tau muaj qhov ua kom tau zoo. Kev siv nruab nrab particle me me ntawm 0.5 microns ntawm hmoov raws li ib qho piv txwv, kev pom kev ua tau zoo tuaj yeem ncav cuag 99.99%.
Tsis tsuas yog tias, kev siv ntawm lub lim no tseem tuaj yeem txuag tau cov pa hluav taws; Lub dav hlau AirTtight daim ntawv ntawm lub tshuab lim lub tog raj kheej yuav tseem tau ua ntau dua kev tshawb fawb kom tau raws li qhov xwm txheej tiag tiag ntawm cov neeg siv sib txawv.