August 22 - 25, 2018

Georgia World Congress Center | Atlanta, GA| USA

Check the latest article for IWF atlanta users

Manufacturing Wood Dust

by Editor 4. April 2018 12:36

Do you manufacture wood dust?  As soon as a saw blade, belt or cutting head touches the wood, the composition of the wood changes and wood dust is created in one form or another.  Everything from large chips to fine wood flour is created.  However, is the wood dust you manufacture combustible?  According to OSHA combustible dusts “are fine particles that present an explosion hazard when suspended in air in certain conditions.”  “Certain conditions” refer to two parameters that define a fire triangle from an explosion pentagon, they are dispersion and confinement.  A potentially combustible fine wood particle is additionally defined by particle size, shape, age, moisture connect, as well as other factors.  If there is any doubt of combustibility, the dust must be sent to a certified facility to be tested. 

NFPA 652 (2015) states “To determine if the dust can present an explosion hazard, the simplest test that can be performed is known as the “go/no/go” test “yes, it blows up, or no, it doesn’t” according to ASTM E 1226 Standard Test Method for Explosibility of Dust Clouds.  Additional tests include (MIE) Minimum Ignition Energy test ASTM E-2019, and Explosion Severity Test (KSt and PMAX) ASTM E-1226.  Testing prices ranges from approximately $350-$1300 up to $3850 for a full OSHA NEP Package.

Come learn more about this topic at the "Combustible Dust...an Explosive Issue" session at the IWF Education Conference.

Comments are closed