Grain dust

For Grain dust, classification system is IEC / ATEX; apparatus / gas group is IIIB; ignition temperature (c) is 510; dust layer ignition temperature (c) is 300, recorded from its source on 2026-08-06.

Substance: Grain dust verified
Classification system: IEC / ATEX our reading
Apparatus / gas group: IIIB verified
Ignition temperature (C): 510 verified
Dust layer ignition temperature (C): 300 verified

Sourcee2s.com

Verified2026-08-06

Review by2028-08-05

DatasetGas group, temperature class and autoignition temperature by substance

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

Grain dust | IIIB | 510 | 300

— e2s.com, retrieved 2026-08-06

Source

e2s.comhttps://www.e2s.com/guide-for-hazardous-areas/apparatus-groups-and-common-flammable-ga

Last verified against source: 2026-08-06. Due for re-check by 2028-08-05. This page as Markdown · OKF bundle · full dataset as JSON.