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It’s the sensitizer, as studies have proven, that in large part determine the effectiveness of an explosive charge.
For over twenty years 3M™ Glass Bubbles have been the density modifier of choice in bulk emulsion, packaged emulsion, water gel and slurry explosives.
It’s the sensitizer, as studies have proven, that in large part determine the effectiveness of an explosive charge, providing the internal voids crucial to efficient detonation. And that’s essentially all a 3M glass bubble is: a spherical, strong, low density, pre-manufactured void.
By using 3M glass bubbles, explosive manufacturers often obtain an immediate increase in velocity of detonation (VOD). The excellent fragmentation provided by high VOD can mean:
- Reduced secondary blasting
- Reduced energy consumption
- More tons per hour processed
- Lower cost per ton of rock moved
In addition, 3M™ Glass Bubbles offer stable, consistent performance over a wide timeframe:
- Pre-manufactured voids mean highly consistent, repeatable performance
- Rigid-walled, hollow spheres give explosives stability over time, temperature and pressure
- Discrete particles allow easy addition and uniform distribution
- Non-coalescing voids allow longer "sleep" time
- Wide range of available sphere strengths minimizes dead pressing
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