Wanne Matsayin Tabbacin Fashe Yafi Girma, AT1 ya da BT4

Rarraba tabbacin fashewar IIB a zahiri ya wuce IIA, kuma ajin zafin jiki na T4 yana ba da ƙananan yanayin zafi mafi aminci fiye da T1. Don haka, BT4 yana da mafi girman ƙimar tabbacin fashewa.

III	C	T135 ℃	Db	IP65
III Kurar saman		T1 450 ℃	Ma	IP65
		T2 300 ℃	Mb
		T3 200 ℃
	A Tawaga masu tashi da wuta		Da
		T4 135 ℃
			Db
	B Kurar da ba ta da ƙarfi	T2 100 ℃	Dc
	C Ƙura mai aiki	T6 85 ℃

Kowane ajin tabbatar da fashewa yana kaiwa takamaiman manufofin aminci. Ana iya samun cikakken bayani ta hanyar bincike akan Hujjar fashewar Shenhai.