Ọdịiche Dị n'etiti Mgbawa-Ngosipụta Ọkwa AT6 na BT4

Ogo mgbawa maka mpaghara A dị ala karịa nke mpaghara B; Otú ọ dị, Klas okpomọkụ T6 karịrị T4. N'ihi ya, ọ bụghị ihe kwesịrị ekwesị ikwu na otu nwere ọkwa mgbawa dị elu karịa nke ọzọ.

Klas na Ọkwa	Igwe ọkụ ọkụ na otu
-	T1	T2	T3	T4	T5	T6
-	T 450	450≥T 300	300≥T 200	200≥T 135	135≥T 100	100≥T：85
I	Methane
IIA	Ethane, Propane, Acetone, Phenethyl, Ene, Aminobenzene, Toluene, Benzene, Amonia, Carbon Monoxide, Ethyl acetate, Acid acid	Butane, Ethanol, Propylene, Butanol, Acid acid, Butyl Ester, Amyl acetate acetic anhydride	Pentane, Hexane, Heptane, Decane, Octane, mmanụ ụgbọala, Hydrogen sulfide, Cyclohexane, mmanụ ụgbọala, Kerosene, Diesel, Mmanụ ala	Eter, Acetaldehyde, Trimethylamine		Ethyl nitrite
IIB	Propylene, Acetylene, Cyclopropane, Coke oven gas	Epoxy Z-Alkane, Epoxy Propane, Butadiene, Ethylene	Dimethyl Ether, Isoprene, Hydrogen sulfide	Diethylether, Dibutyl Ether
IIC	Mmiri gas, Hydrogen	Acetylene			Carbon Disulfide	Ethyl nitrate

Ọ bụ ihe ziri ezi karịa ikwu na nke ọ bụla ahaziri ka ọ dabara na gburugburu ebe ọkụ na-agbawa iche.