Flour
For Flour, classification system is IEC / ATEX; apparatus / gas group is IIIB; ignition temperature (c) is 490; dust layer ignition temperature (c) is 340, recorded from its source on 2026-08-06.
- Substance
- Flour verified
- Classification system
- IEC / ATEX our reading
- Apparatus / gas group
- IIIB verified
- Ignition temperature (C)
- 490 verified
- Dust layer ignition temperature (C)
- 340 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.
What the source says
Flour | IIIB | 490 | 340
— e2s.com, retrieved 2026-08-06
Source
- e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/apparatus-groups-and-common-flammable-ga