how to make powder of hard rock,Blasting Design - statler.wvu.edu(Example) If the rock to be blasted is a hard line with a sonic velocity (Vs) of . Determine the Characteristic Powder Factor (CPF) for the rock and particular .. For using ANFO with rocks that have a specific gravity of 2.5, KB averages.how to make powder of hard rock,how to make powder of hard rock,blasting rock - Assakkaf✉Powder factor. ✉Vibration. ✉Trench . as ANFO), slurries have a higher cost per pound and have less .. propagation is faster in hard rock than in soft rock.Making and testing rocks – compaction and cementation.converted into solid rock, using different cementing materials to bind grains . the end cut off, a little petroleum jelly, some clay powder, and some Plaster of.
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