Downhole charge – blast-hole ZS – 40 TU 7276-137-07511819-2001

"Charge ZS-40 is cylindrical, in a polyethylene shell with a nominal mass of explosives – 0.32 kg, with a socket for an electric detonator. Explosive is a fused mixture of TNT and RDX. The charge can be applied each individually or in a garland made up of separate charges in an amount up to 10 pcs.Guaranteed shelf life – 5 years Technical characteristics: – explosive charge density: not less than 1.55×10³; – detonation speed: 7.6 – 7.7 km / s; – gas volume: 900 l / kg; – oxygen balance: – 42%. "