Asphalt yog cov khoom siv dub nciab los ntawm roj crude (petroleum aspal (pitroleum asphalt), dav tar pitch), dav tar pitterprofing thiab corrosion tiv thaiv.
Qhov sib txawv
Tau qhov twg los:
Petroleum asphalt: ua kom zoo ntawm cov roj crude, lom tsawg, zoo tagnrho rau txoj kev thiab asphalt xim.
Courl Sar Pitch: Broproduct ntawm kev ua haujlwm ntawm txoj kev ua si ntawm thee, muaj pahs, siv nyob rau hauv kev lag luam asplot.
Khoom:
Petroleum Asphalt yog huab cua-resistant; Cour tar pitch excel nyob rau hauv cov nplaum rau ashrhal xim hauv kev mob hnyav.
Siv:
Roj av-based asphalt xim yog ib yam rau cov ru tsev thiab txoj kev; Av tar txawv tiv thaiv hluav taws xob tiv thaiv cov raj.
Vim li cas Asphalt Xim?
Asphalt cov xim ua ke ua kom ruaj khov nrog UV kev tiv thaiv, zoo tagnrho rau cov chaw muaj tsheb loj.
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