Lub emulsified asphalt tsim los ntawm asphalt sib tov khoom yog ntau yam, tab sis nag lossis daus tshwm sim thaum lub sij hawm cia. Qhov no puas yog ib txwm? Dab tsi ua rau qhov tshwm sim no?
Qhov tseeb, nws yog ib qho tseem ceeb heev rau asphalt los nag thaum lub sij hawm nws muaj, thiab nws tsis kho raws li qhov yuav tsum tau ua. Txawm li cas los xij, yog tias nws tsis ua raws li qhov yuav tsum tau siv, nws tuaj yeem kho tau los ntawm txoj kev xws li kev sib cais roj-dej. Qhov laj thawj yog vim li cas asphalt precipitates yog vim qhov ntom ntawm cov dej me me, ua rau stratification.

Yog vim li cas vim li cas thiaj muaj roj slick ntawm asphalt nto yog vim muaj ntau cov npuas tsim thaum lub sij hawm emulsification txheej txheem. Tom qab cov npuas tawg, lawv nyob twj ywm ntawm qhov chaw, tsim cov roj slick. Yog hais tias qhov saum npoo ntawm cov roj ntab tsis yog tuab heev, do ua ntej siv los yaj nws. Yog tias nws yog tom qab, koj yuav tsum tau ntxiv ib tus neeg sawv cev tsim nyog defoaming los yog do maj mam kom tshem tawm nws.