ʻO wai ka ʻāpana pahū ʻo DIIBT4

ʻO ka inoa dIIBT4 e pili ana i kahi papa II, Māhele B helu pahū-pale.

II	B	T4	ʻO Gb	IP64
ʻO kaʻu I	Methane	T1 450 ℃	Ua haʻi aku ʻo Ma Kiʻekiʻe kiʻekiʻe o ka pale	IP64
		T2 300 ℃
			Mb Pale kiʻekiʻe
		T3 200 ℃
I Na Mea Ili	Propane		Ua ʻōlelo ʻo Ga Kiʻekiʻe kiʻekiʻe o ka pale
		T4 135 ℃
	Ethylene		ʻO Gb Pale kiʻekiʻe
		T5 100 ℃
	Hūhāhā, Acetylene		ʻO Gc Palena pae laulā
		T6 85 ℃

ʻO ka prefix 'd’ hōʻike i kahi ʻano paʻa ahi, i hoʻolālā ʻia i mea e paʻa ai kekahi pahū o loko me ka ʻole e hōʻino i ka pā a pale i ka laha ʻana o ka pahū ma waho.;

Hōʻike ʻo IIB i ka ʻāpana o ke kinoea i hoʻohana ʻia;

Hōʻike ka T4 i ka ʻili kiʻekiʻe o ka huahana mahana wela noho ma lalo o 130°C.