Class II, Group F · dust group · IIIB
What is the basis or note for Class II, Group F · dust group · IIIB?
For Class II, Group F, category is dust group; iec / atex designation is IIIB; basis or note is Combustible carbonaceous dust, recorded from its source on 2026-10-12.
IIIB | Non-conductive dust | Class II, Group F | Combustible carbonaceous dust
— e2s.com, retrieved 2026-10-12
- Category
- dust group our reading
- North American designation
- Class II, Group F verified
- IEC / ATEX designation
- IIIB verified
- Basis or note
- Combustible carbonaceous dust verified
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.
Source
- e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups