Na Cava na iVakatagedegede ni Kacabote-ivakadinadina ni D II CT4

Kalasi II, iWasewase C.

Kalasi kei na iVakatagedegede	Katakata kei na iLawalawa ni iVakatakilakila
-	T1	T2	T3	T4	T5	T6
-	T>450	450≥T>300	300≥T>200	200≥T>135	135≥T>100	100≥T>85
I	Meca
IIA	Ethane, Parofisai, Acetone, Phenethyl, Ene, Aminobenzene, Toluene, Benzene, Amonia, Kaboni Monoxide, Ethyl Acetate, Acetic Acid	Butane, Etano, Propylene, Butanol, Acetic Acid, Butyl Ester, Amyl Acetate Acetic Anhydride	Pentane, Hexane, Heptane, Decane, Okotova, Benisini, Hydrogen Sulfide, Cyclohexane, Benisini, Kerosene, Disi, Petroleum	Ica, Acetaldehyde, Trimethylamine		Ethyl Nitrite
IIB	Propylene, Acetylene, Cyclopropane, Coke Oven Gas	Epoxy Z-Alkane, Epoxy Propane, Butadiene, Ethylene	Dimethyl Ether, Isoprene, Hydrogen Sulfide	Vakabulabulataki, Dibutyl Ether
IIC	Kasi wai, Hydrogen	Acetylene			Disulfide ni Kaboni	Ethyl Nitrate

Na kena vakacurumi na d iic t4 e vakaraitaka e dua na ivakatagedegede ni kacabote-ivakadinadina ni Kalasi II, iWasewase C.