Wanne Matakin Fashewa-Hujja Tafi Girma, CT2 ya da CT4

A bayyane yake cewa CT4 yana riƙe mafi girman ƙimar tabbacin fashewa. Musamman, Motocin da ke tabbatar da fashewa suna nuna alamar IICT4 amma basu da alamar IICT2.

Matsayin zafin jiki IEC/EN/GB 3836	Mafi girman zafin jiki na kayan aikin T [℃]	Lgnition zafin jiki na abubuwa masu ƙonewa [℃]
T1	450	T;450
T2	300	450≥T sama da 300
T3	200	300≥T ：200
T4	135	200≥T：135
T5	100	135≥T 100
T6	85	100≥T：8

Wannan bambance-bambancen ya samo asali ne daga nau'ikan zafin jiki na na'urorin lantarki masu hana fashewa: An ƙera na'urorin T4 don kiyaye matsakaicin zafin jiki ƙasa da 135°C, alhãli kuwa na'urorin T2 suna ba da damar iyakar zafin jiki har zuwa 300 ° C, ana ganin yana da haɗari sosai.

Sakamakon haka, CT4 shine zaɓin da aka fi so; Ana guje wa CT2 gabaɗaya.