Kerosene, ntawm chav tsev kub, yog cov kua uas zoo li tsis muaj xim lossis daj daj nrog cov ntxhiab tsw. Nws yog heev volatile thiab flammable, tsim cov pa phem thaum sib xyaw nrog huab cua.
Qhov txwv tawg ntawm kerosene nyob nruab nrab ntawm 2% thiab 3%. Nws cov vapors tuaj yeem tsim qhov sib xyaw ua ke nrog huab cua, thiab thaum raug rau qhov qhib nplaim taws los yog kub siab heev, nws tuaj yeem tawg thiab tawg. Hauv qab kub kub, lub siab hauv cov thawv tuaj yeem nce ntxiv, ua rau muaj kev pheej hmoo ntawm kev tawg thiab tawg.