What is Velocity of Detonation (VOD)? Velocity of Detonation (VOD) measures the strength and performance of a bulk explosive. It refers to the speed at which the detonation front moves through an explosive column and is an industry-approved indicator of explosive performance. Typically measured in metres per second (m/s), VOD for gassed emulsion-based explosives … Continue reading Working with Velocity of Detonation to get the best from your blast design