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Cartridge emulsion explosives

Ammonium nitrate fuel oil (ANFO) emulsions are widely used in both bulk and cartridge emulsifier systems. It is well known across the industry that emulsifiers for cartridge systems are subject to higher stress with tougher stability requirements than those used in bulk applications.

Our range of cartridge emulsifiers offer the following benefits:

  • excellent long term stability;
  • provides improved emulsion viscosity; and
  • compatibility with mixed oxidiser systems.
aerial view of mining quarry at sun set

Emulsifiers for cartridge emulsion explosives

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Test method

Our mining emulsifiers were tested in a stressful cartridge mixed oxidiser formulation, using a typical formulation shown on the right.

The oxidiser phase was heated in a bath with a temperature set to 90°C, while the fuel phase was heated to 80°C. The fuel phase was stirred at 500 rpm and the oxidiser phase added to it over 1 minute, then the emulsion was stirred at 1500 rpm for 5 minutes.

The emulsions were then cycled through a temperature range from -20°C to 40°C over a 24 hour period and crystallisation measurements taken to give an indication of stability performance.

Our highest performing emulsifiers gave 60-140% improvement compared to PIBSA based competitor product.

Cartridge formulation:

  • oxidiser phase 90%
  • fuel phase including waxes 8%
  • emulsifier 2%

Recommended products

Looking for an emulsifier specifically for cartridge emulsion explosives? Take a look at the ones listed below.

High Performance Chemical Additives

Anfomul 1255

Anfomul 1255 is a high performance PIB-lactone based polymeric emulsifier for use in explosives.

High Performance Chemical Additives

Anfomul 2000

Anfomul 2000 is a high performance polymeric emulsifier used to manufacture of highly stable water in oil emulsions.

Anfomul 2887

Anfomul 2887

Anfomul 2887 is a high performance PIB-lactone based polymeric emulsifier for use in the manufacture of highly stable water in oil emulsions.

High Performance Chemical Additives

Anfomul 2200

Anfomul 2200 is a high performance PIBSA based polymeric emulsifier for use in the manufacture of highly stable water in oil emulsions.

High Performance Chemical Additives

Anfomul 2500

Anfomul 2500 is a high performance PIB-lactone based polymeric emulsifier for use in the manufacture of highly stable water in oil emulsions.

High Performance Chemical Additives

Anfomul S6

Anfomul S6 is an emulsifier for use in the manufacture of highly stable water in oil emulsions.

High Performance Chemical Additives

Span™ 80

Span 80 is a biodegradable surfactant based on a natural fatty acid (oleic acid) and sugar alcohol sorbitol This sorbitan ester is highly effective at forming oil in water emulsions particularly.....

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