Kub rwb thaiv tsev paj rwb yog ib yam khoom tshiab taws, uas muaj ib cov hluav taws kub tiv thaiv, tsis yooj yim rau kev hlawv, thiab raug rho tawm tom qab tawm hauv qhov hluav taws kub qhov tom qab cov khoom siv tshwj xeeb thiab cov txheej txheem.
Lub thermal rwb thaiv tsev thiab hluav taws kub nyhiab cov paj rwb muaj cov yam ntxwv ntawm cov nplaim hluav taws xob, nqus dej, ua pa, kov muag, ntev elasticity thiab zoo kub yaug. Thaum nws kub hnyiab, muaj ib qho roj tsawg, uas tsis tso tawm thiab tso cov pa phem. Nws muaj cov txiaj ntsig ntawm nws tus kheej extinguishing thiab ua nws cov qauv zoo tom qab carbonization.
Qhov loj tshaj ntawm qhov hluav taws kub rwb thaiv tsev paj nruag thiab cov paj xyoob zoo tib yam yog tias cov paj nruag zoo tib yam nkaus xwb. Yog daim ntaub paj rwb pov tseg, nws kub hnyiab sai dua, thiab haj yam muaj kev vam meej, thiab cov hluav taws kub cua sov kuj pom tias nyob rau hauv no.