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How do you calculate powder factor?

Updated: 4/19/2022
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13y ago

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Powder Factor is the relationship of Explosives to Volume. It describes how much explosives are needed to blast a particular volume of rock.

The easy formula is PF = (lbs of explosives used) / (yd^3 of rock blasted)

It is just an indicator, so you can use whatever units of measure are common in your application.

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13y ago
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