Lower and Upper Dust Explosion Limit

Definition:

Dust Explosion Limits describe the range of concentration of airborne dust in which explosions are possible.

Test procedure: according  BG Chemie R 003 6/2000

Safety-relevant meaning:

1. Explosibility for solids and dusts

The upper explosion limit is not relevant as it it likely impossible set up a safety concept on this. In general terms the upper dust explosion limit is not being measured.