Shenhai e fakamoʻoni fakaʻauha
ʻOku fakapapauʻi ʻe he ngaahi meʻangaue ki hono fakalele ʻo e CT4 II ʻa e mafana ʻo e ʻea, ʻa ia ʻoku ne fakatupulaki ʻa e malu. Ko e foʻi lea “d” ʻuhinga ki flameproof meʻangaue. ʻOku maʻolunga ange ʻa e faʻahinga fakamoʻoni ki he CT4.
| 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 maʻu ʻe he meʻangaue T4-fakamoʻoniʻi ʻo e fakaʻauha ha tuʻunga moʻui maʻolunga ange pea ʻe lava ke ne fetongi ʻa e ngaahi meʻangaue BT4; ko ia, fakaʻaongaʻi ʻo e CT4 kae ʻikai ko e BT4 fakapapauʻi ʻoku talangofua mo fakalahi ʻa e malu.