Shenhai e fakamoʻoni fakaʻauha
ʻOku fakatou fakamahuʻingaʻi ʻa e ongo meʻa ni ko e IIB ki he maluʻi ʻo e fakaʻauha, kehekehe pe ʻi he fakafaʻahinga ʻo e ʻea.
| Kulupu mafana ʻo e meʻangaue fakaʻuhila | Lahi taha e mafana ʻo e meʻangaue fakaʻuhila (° C) | Kasa/mao ignition e ʻea (° C) | Tuʻunga ʻo e mafana ʻo e meʻangaue |
|---|---|---|---|
| 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 |
ʻOku fakahaaʻi ʻe he ngaahi ikuʻanga T1 ʻo aʻu ki he T6 ʻa e mafana ʻo e ʻea ki he meʻangaue ʻi ha ngaahi tuʻunga pau, fakasiʻisiʻi ʻa e fakalakalaka. ʻOku fakahaaʻi ʻe he mafana ʻo e ʻea ha malu maʻ.
Ko ia ai, BT1 has a slightly lower explosion-proof rating compared to BT4.