Kedu mmanụ asphalt na-atụ egwu

Pavement asphalt na-enwekarị ike ịnweta mmanụ ụgbọala na mmanụ dizel, Ihe kemịkalụ ya nke mejupụtara alkanes na cycloalkanes. Na ntule ndịiche, asphalt bụ hydrocarbons juru eju, ogige aromatic, asphaltene, na resins.

Nchọcha na-egosi myirịta kemịkalụ n'etiti asphalt na mmanụ ọkụ ndị a, egosiputara site na parampat mgbasa ha nso. Myirịta a na-akwado nke “dị ka agbaze dị ka” ụkpụrụ, na-atụ aro na mmanụ ụgbọala na mmanụ dizel nwere ike ịbanye n'ime ma gbazee asphalt.