Class II, Group E
For Class II, Group E, category is dust group; iec / atex designation is IIIC; basis or note is Metal dusts, recorded from its source on 2026-08-06.
- Category
- dust group our reading
- North American designation
- Class II, Group E verified
- IEC / ATEX designation
- IIIC verified
- Basis or note
- Metal dusts
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H 2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E |
— e2s.com, retrieved 2026-08-06
Source
- e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups