AutoStem Gen i and ii

High energy pyrotechnic blasting cartridges.

The original AutoStem Cartridge: The AutoStem i

  • Cartridges available in diameter of 32mm (1.26 inch)
  • Suitable for use in a borehole of maximum 34mm diameter (1.34 inch)
  • world’s first drop-and-go cartridge, requiring no stemming or tamping effort.

Product sizes available:

  • 20g (120 per box, NEQ: 2.4kg) – cartridge length: 220mm
  • 40g (100 per box, NEQ: 4.0kg) – cartridge length: 270mm
  • 60g (90 per box, NEQ: 5.4kg) – cartridge length: 320mm
  • 80g (80 per box, NEQ: 6.4 kg) – cartridge length: 370mm
  • 100g (60 per box, NEQ: 6.0kg) – cartridge length: 420mm

Suitable for:

  • Civil blasting in built up areas
  • Oversize management in quarry pits
  • Slyping, footwall and hangingwall clearing
  • Concrete breaking
  • Trenching
  • Residential blasting

Boosters available in cartridges sizes of 60g and 100g

Standard Cartridge assembled with ignitor

Optional assembly to accomodate a detonator/shocktube initiation

Product is fully accredited in all major global markets including:

  • CE mark of approval (European Union);
  • USA (Department of Transport)
  • Canada (Ministry of Natural Resources)
  • South Africa (SAPS) and continental Africa
  • Australia (Chamber of Mines)
  • Continental South America (Brazil, Chile, Mexico)

The first dual stemming blasting cartridge: The AutoStem ii

  • Cartridges available in diameter of 43mm (1.69 inch)
  • Suitable for use in a borehole of maximum 50mm diameter (2.0 inch)
  • Dual-stemming technology, product will function even in fractured ground

Product sizes available:

  • 150g (52 per box, NEQ: 7.8kg) – cartridge length: 242mm
  • 200g (42 per box, NEQ: 8.4kg) – cartridge length: 292mm
  • 300g (30 per box, NEQ: 9.0kg) – cartridge length: 372mm

Suitable for:

  • Low-height benching blasts
  • Hard embedded rock blasting
  • Very large oversize management
  • Tunnelling blasts
  • Trenching blasts

Standard Cartridge assembled with ignitor
Optional assembly to accomodate a detonator/shocktube initiation
Product is fully accredited in all major global markets including:

  • CE mark of approval (European Union);
  • USA (Department of Transport)
  • Canada (Ministry of Natural Resources)
  • South Africa (SAPS) and continental Africa
  • Australia (Chamber of Mines)
  • Continental South America (Brazil, Chile, Mexico)

AutoStem Accessories

Electric ignitor (fuse head) and initiators

  • Highest quality fuse head for reliable ignition
  • Multiple wire lengths available (1.5m, 3.0m and 5.0m)
  • Electrical resistance: 0.5 ohm
  • Safety impulse: 8 mj per ohm
  • Initiation impulse: 16 mj per ohm
  • Safe electrical current: 0.45 A
  • Activating electricl current: 2.12A

741 model shot exploder

  • 650V Nominal Firing Voltage
  • 8.0J Nominal Output Energy
  • Firing mechanism: Spring return key switch
  • Up to 50 Cartridges in Series
  • Battery Type: Rechargeable
  • Capacity: Typically 1,000 firings
  • Charging: Charged from mains power (100-250 V, 47-65 Hz)
  • Charging time: 6 hours to full charge
  • Unit dimensions: 120mm x 82mm x 40mm
  • Unit mass: 0.55kg

1351 model shot exploder

  • 1350V Nominal Firing Voltage
  • 40.0J Nominal Output Energy
  • Firing mechanism: Spring return key switch
  • Up to 250 Cartridges in Series
  • Battery Type: Rechargeable NiCd
  • Capacity: Typically 500 firings
  • Charging: Charged from mains power (220V)
  • Charging time: 14 hours to full charge
  • Unit dimensions: 163mm x 125mm x 66mm
  • Unit mass: 1.9kg

Continuity tester

  • SABS approved and intrinsically safe
  • Light emitting diode to confirm continuity
  • Continuity indicated for up to 1,000 ohms
  • Battery life: 1 million testings
  • Unit dimensions: 72mm x 50mm x 23mm
  • Unit mass: 150g

Ohm meter

  • SABS approved for use in fiery mines
  • Liquid crystal display
  • Range of up to 2,000 ohms
  • Battery life: 200 hours of continuous testing
  • Unit dimensions: 102mm x 72mm x 32mm
  • Unit mass: 240g

AutoStem Cartridges meet international safety requirements

10 + 10 =

The World's safest and most advanced high performance blasting technology.

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