Shenhai Explosion-Proof
Tus tawg-prof classification ntawm IIC yog xam superior, encompassing qhov uas yuav tsum tau ua rau OB IIB thiab IIA, IIB nyob saum IIA.
| Qeb | Roj Classification | Cov neeg sawv cev gases | Yam tsawg kawg yog Ignition spark zog |
|---|---|---|---|
| Nyob rau hauv lub mine | Kuv | methane | 0.280mJ |
| Factories sab nraum lub Mine | IIA | Propane | 0.180mJ |
| IIB | Ethylene | 0.060mJ | |
| IIC | hydrogen | 0.019mJ |