Blastcon has a MicroTrap VOD recorder which enables the testing of the reaction speed of an explosives product. This can give the client valuable information as to the product’s performance in the blast hole against that of which the supplier indicates in their Technical Data Sheets. This is very important in determining whether explosives perform at their recommended velocity of detonation as any loss of VOD will directly affect the outcome of a blast. Incorrect VOD can lead to high fume generation, badly fragmented ground giving rise to tight digging and decreased production results.
A proactive shotfirer will conduct regular VOD tests to ensure Supplier performance.