Shenhai Explosion-Proof
Kub asphalt emits gases feem ntau tsim los ntawm ntau yam hydrocarbons, tshwj xeeb tshaj yog polycyclic aromatic hydrocarbons.
Asphalt's muaj xws li asphaltes, resins, saturated thiab aromatic hydrocarbons.
Vim yog kev kho kub kub los yog ncua evaporation ntawm ntuj, roj av, thiab coal tar asphalt, cov txheej txheem cua sov tsim cov khoom me me molecular, Qhov tseem ceeb ntawm cov saw ntev ntev thiab muaj ntxhiab hydrocarbons, tseem ceeb molecules xws li naphthalene, anthracene, phenanthrene, thiab benzo[a]pyrene.
Polycyclic aromatic hydrocarbons yog cov tshuaj lom thiab qee qhov paub tias carcinogens.