Boemo ba Bopaki ba ho Qhoma DII BT4 le DII CT4

Sehlopha sa IIC se feta sehlopha sa IIB mme se sebetsa e le sesupo sa ho rala lisebelisoa tsa motlakase libakeng tse phatlohang..

Boemo ba Sehlopha	Karolelano ea Khase	Likhase tse emetseng	Minimum Ignition Spark Energy
Tlas'a Morafo	I	Methane	0.280mJ
Lifeme Kantle ho Morafo	IIA	Propane	0.180mJ
	IIB	Ethylene	0.060mJ
	IIC	Haedrojene	0.019mJ

Lisebelisoa tsohle li oela tlas'a sehlopha sa mocheso oa T4, moo mocheso o phahameng o lumelletsoeng o ka holimo ho 135°C.