Yog Asphalt Flammable

Asphalt yog cov khoom siv hluav taws xob. Nws tsis yog crystalline thiab tsis muaj qhov tseeb melting point, tso cai rau kom paub meej qhov sib txawv ntawm nws cov khoom thiab cov ntaub ntawv ua kua.

Thaum kub siab, asphalt ua flowable tab sis tsis liquify, khwv tau nws cov kev faib ua a “combustible khoom.”