Papa Pahū BT2 a me BT4

ʻO ka hoʻohālikelike pahū-hōʻoia dⅱ bt4 no nā mea uila ma mua o dⅱ bt2, ʻokoʻa wale nō ma nā helu hoʻonohonoho 4 a 2.

Pūʻulu wela o nā mea uila	ʻO ka wela ili i ʻae ʻia o nā mea uila (℃)	ʻO ke kinoea/māhu wela (℃)	Nā pae wela o ka mea pili
T1	450	＞450	T1~T6
T2	300	＞300	T2~T6
T3	200	＞200	T3~T6
T4	135	＞135	T4~T6
T5	100	＞100	T5~T6
T6	85	＞85	T6

Hōʻike ka Classification T4 i ka mahana wela o ke kinoea ma lalo o 135°C, ʻoiai ʻo T2 e ʻae i nā mahana a hiki i 300 ° C.

Māhele ʻia nā mahana wela i ʻeono mau ʻāpana, mai T1 a i T6, with each higher category being suitable for the conditions of all preceding categories.