A Wanne Nau'in Yanayin Aiki Aka Yi Amfani da Fashe-Tabbacin Matsayin Bt4

Class IIB ya dace da mahalli inda abubuwan fashewar gas da iska na IIB ke faruwa.

Ƙungiyar gas / ƙungiyar zafin jiki	T1	T2	T3	T4	T5	T6
IIA	Formaldehyde, toluene, methyl ester, acetylene, propane, acetone, acrylic acid, benzene, styrene, carbon monoxide, ethyl acetate, acetic acid, chlorobenzene, methyl acetate, sinadarin chlorine	Methanol, ethanol, ethylbenzene, propanol, propylene, butanol, butyl acetate, amyl acetate, cyclopentane	Pentane, pentanol, hexane, ethanol, heptane, octane, cyclohexanol, turpentine, nafita, man fetur (ciki har da mai), man fetur, Pentanol tetrachloride	Acetaldehyde, trimethylamine		Ethyl nitrite
IIB	Propylene ester, dimethyl ether	Butadiene, epoxy propane, ethylene	Dimethyl ether, acrolein, hydrogen carbide
IIC	Hydrogen, ruwa gas	Acetylene			Carbon disulfide	Ethyl nitrate

An raba rabe-raben tabbatar da fashewa zuwa matakan farko don hakar ma'adinai da na biyu na masana'antu. A cikin matakin sakandare, ƙananan rabe-rabe sun haɗa da IIA, IIB, da IIC, a cikin hawan tsari na iyawar fashewa: IIA < IIB < IIC. The 'T' category denotes zafin jiki ƙungiyoyi. A 't’ Rating ya nuna cewa kayan aikin yana da zazzabi a ƙasa 135 ° C, tare da T6 kasancewa mafi kyau duka matakin, Shawara don ƙarancin zafin jiki mai yiwuwa.

Daga karshe, An tsara wannan samfurin bayan wannan yanayin azaman na cikin aminci na'urar lantarki, An yi nufin amfani da shi tare da Class B gas inda ƙasa zazzabi ba ya wuce 135 ° C.