AutoStem Gen iii

The World’s most powerful non-detonating cartridge range.

The 35mm (1.38 inch) range of Gen 3 cartridges

  • Suitable for borehole sizes up to 40mm (1.65 inch)
  • Available in 100g, 180g and 300g charges
  • Available with electric (non-explosive) initiation and detonator capable initiation
  • Suitable for deep level mining, trenching, civils blasting

The 43mm (1.69 inch) range of of Gen 3 cartridges

  • Suitable for borehole sizes up to 55mm (1.96 inch)
  • Available in 200g, 350g and 550g charges

  • Available with electric (non-explosive) initiation and detonator capable initiation

  • Suitable for deep level mining, tunneling, embedded rock, hard blast environments

The 60mm (2.36 inch) range of Gen 3 cartridges

  • Suitable for borehole sizes up to 70mm (2.75 inch)

  • Available in 700g charges (from end 2017)

  • Available with electric (non-explosive) initiation and detonator capable initiation

  • Suitable for large borehole blasting and benching

The 87mm (3.42 inch) range of Gen 3 cartridges

  • Suitable for borehole sizes up to 94mm (3.70 inch)

  • Available in 1700g charges

  • Available with electric (non-explosive) initiation and detonator capable initiation

  • Suitable for large borehole blasting and benching

All Gen III products can be integrated with centralised blasting systems

Electric and detonator-shocktube product options available

Sequential firing capability utilising standard explosive accessories

AutoStem Gen III seamlessly integrates into any blasting system, from any supplier, anywhere in the world

 

35mm product range with detonator/shocktube integrated

43mm product range with detonator/shocktube integrated

60mm product range with detonator/shocktube integrated

87mm product range with detonator/shocktube integrated

Summary technical information

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Energy content

2.0 x more powerful than the next best packaged explosive at 5,121 j/g energy capacity

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Speed of deflagration

340 m/s – Ensuring minimal vibration impact to surrounding environment

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Pressure

500 MPa – With reaction runaway, AutoStem Cartridges reach maximum pressure within milliseconds sufficient to break out the hardest rock

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Density

1.1 g/cm3 – Highest packing and mix density makes Gen III Cartridges the most powerful blasting cartridge available worldwide

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Vibration

PPV reduction relative to conventional explosives by up to 90% (depending on cartridge size, rock competency and application type)

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Water resistant

Water resistant as a standard to a depth of 50m (6 bar)

AutoStem vs. Conventional Explosives

Classification

  • Product of pyrotechnic, 1.45, UN 0432

Detonation vs. Deflagration

  • Low-speed deflagration
  • No shockwave
  • No flying debris beyond 30m
  • No dust or harmful gases

Safety

  • Cannot be initiated outside of a borehole
  • Does not require any explosive accessories

Stemming

  • Revolutionary patented Autostem concept requires no stemming
  • Safer
  • Quicker
  • Lower cost (no tamping)

Transportation & Storage

  • Transported using normal vehicle, standard truck, rail, sea-freight, and passenger plane
  • No explosive magazine required

Waterproof

  • The same cartridge can be used above -, below-, and underwater
  • Fully waterproof

Accessories

  • Does not require explosive accessories
  • Minimal inventory required

Pulverization of high volume commodity

  • Due to avoiding shockwave, Autostem does not pulverize higher value commodity in mining situations

Product Range

  • Micro-range available (9mm), mini-range available (17mm)
  • Standard range available (35mm-89mm)

User Advantages

  • Can be used in built up areas
  • Close to foundation and gas pipes
  • Allows for continuous mining underground and in pit operations
  • Blasting near cities and villages

Shelf Life

  • Shelf Life up to 18 months

Classification

  • Explosive 1.1D

Detonation vs. Deflagration

  • High speed detonation
  • Shockwave
  • Flying debis
  • Dust and toxic fumes

Safety

  • Will explode anywhere
  • Required explosive accessories including detonator, shock tube, etc.

Stemming

  • Require boreholes to be tamped
  • Stemming required to confine blast
  • Time & personnel intensive
  • Significant cost

Transportation & Storage

  • Require explosive magazines, explosive registered trucks, cannot be transported by plane
  • Extensive permits required

Waterproof

  • Cannot be used under water or in wet holes

Accessories

  • Require a detonator/shock tube to be used
  • Large inventory required

Pulverization of high volume commodity

  • Due to shockwave, expolsives destroy up to 40% of high value mining commodity

Product Range

  • Only standard product sizes available
  • No small blasting products

User Advantages

  • Not permitted in built up areas
  • Cannot be used near strategic infrastructure
  • Long blasting cycle times
  • Not permitted near villages

Shelf Life

  • Limited Shelf life with product instability issues

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

8 + 8 =

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

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