Explo Gel 750S is a general purpose, booster-sensitive explosive emulsion, commonly used in large diameter water containing holes.
Its high density allows it to sink into boreholes containing suspensions in water (mud).
It releases a large amount of energy and produces large quantities of aggregates satisfactorily crushed into soft and fragmented rocks, achieving low mining costs.
EXPLO GEL 750S (Booster Sensitive)
Technical Specifications
Density (g/cm³)
1,25 ±0,05
Oxygen Balance %
-1
Gas Volume (L/kg)
950
Heat of explosion (kJ/kg)
2.720
Relative effective Energy (%)***
-
Relative weight strength RWS % ***
110
Relative bulk strength RBS % ***
150
Detonation velocity (m/s)* (without confinement)
5.000 ± 200
* The velocity of detonation will depend on application, rock type, blasthole diameter and confinement.
*** The 100% of relative effective energy refers to ANFO: Density 0,80 g/cm3, Effective energy 2,50 MJ/Kg
**** All above values are theoretical, based on ideal detonation circumstances.
Features
Usage
- Explo Gel 750S ignition requires the presence of a powerful Explo Gel 100 or Explo Gel 200 booster.
- The booster cartridge should be at least the same diameter as the Explo Gel 750S cartridge to provide optimal results.
- During the process of filling the holes with Explo Gel 7505, it is recommended to slightly cut the packaging film to achieve optimal filling.
- When there is suspension in the water (mud) inside the holes, care is required to ensure that the explosive column is continuous.
- Special caution is needed in order to assure that the explosive column is continuous (no space between cartridges). This can be achieved by using a tamping rod to push the last cartridges.
- If the water moves into the hole, the time the product stays inside the hole is significantly reduced.
- Minimum critical diameter is 50mm.
- Not suitable for mines with a risk of fire or explosion of coal dust and where flammable gases may be present.
Advantages
- Highly water resistant.
- High energy allows an extended drilling pattern for more economical blasting costs.
- Excellent performance in every operation.
- Develops excellent gas volume for ignition displacement.
- Excellent safety against mechanical impacts and friction.
Shelf Life
6 months from the date of manufacture, if stored under the designated conditions.
Storage - Handling
Must be stored in temperature range between -0 °C and 30 °C. Explo Gel 750S should be stored in explosives magazines class 1.1D, according to legislation. It should be handled and transported according to its Safety Data Sheet (MSDS).
Classification
| Authorised name | Explo Gel 750S |
| Shipping name | Explosives, Blasting, Type E |
| UN No | 0241 |
| ADR/RID |  1.1D |
Packaging
| Cartridge Diameter x length (mm) | Cartridge weight
(gr) |
Pieces per carton box | Carton box weight
NEQ (kg) |
| 70×510 | 2500 | 10 | 25 |
| 80×490 | 3125 | 8 | 25 |
| 90×510 | 4166 | 6 | 25 |
