Wanda Yafi Matsayin Tabbataccen Fashewa

Rarrabe masu hana fashewa: Matsayin IIC shine mafi girma, ya ƙunshi aikace-aikacen IIB da IIA; IIB ya wuce IIA a matsayi.

Daraja Da Matsayi	Wutar wuta da Rukuni
-	T1	T2	T3	T4	T5	T6
-	T;450	450≥T sama da 300	300≥T ：200	200≥T：135	135≥T 100	100≥T：85
I	Methane
IIA	Ethane, Propane, Acetone, Phenethyl, Makogwaro, Aminobenzene, Toluene, Benzene, Ammoniya, Carbon Monoxide, Ethyl acetate, Acetic acid	Butane, Ethanol, Furfe, Beanol, Acetic acid, Butyl ester, Amyl acetate acetic anhydride	Pendarwa, Hexane, Heptane, Decane, Octane, fetur, Hydrogen sulfide, Cyclohexane, fetur, Kerosene, Diesel, Man fetur	Ether, Acetaldehyde, Trimethylamine		Ethyl nitrite
IB	Furfe, Acetylene, Hanyar wasan yanar gizo, Coke tanda gas	Epoxy Z-Alkane, Epoxy propane, Wasan ba, Ethylene	Dimethyl Ether, Isoprene, Hydrogen sulfide	Diethylether, Dibutyl Ether
IIc	Ruwan Gas, Hydrogen	Acetylene			Carbon Disulfide	Ethyl nitrate

Matsakaicin zafin jiki: Wannan yana nufin mafi girman zafin jiki da na'urorin lantarki za su iya cimma a ƙarƙashin mafi munin ƙayyadadden yanayin aiki, mai yuwuwar kunna fashewar yanayin da ke kewaye. Matsakaicin zafin jiki dole ne ya zama ƙasa da zafin jiki mai ƙonewa.

Misali: A cikin wuraren da ake amfani da na'urori masu hana fashewa, idan zafin ƙonewa na m gas yana da 100 ° C, sannan iyakar zafin jiki na kowane bangaren firikwensin dole ne ya kasance ƙasa da 100 ° C.