Products and Services
Integrated Civil Explosives and Mining Services Provider.
Name
GrandEx™ Rock-Type Expanded Ammonium Nitrate Explosive

Rock-type expanded AN explosive is a lightweight, porous, and loose explosive created by combining self-sensitized expanded ammonium nitrate. which is produced using composite surfactants and specialized crystallization control techniques. with high-energy liquid fuels and porous fibrous solid fuels. This process is based on the "hotspot" theory of detonation. surfactant theory. and ammonium nitrate self-sensitization principles.

Key Benefits
Key Benefits
The explosive offers excellent explosive performance with low bulk density, good charge coupling, and strong work capacity. making it suitable for various soft to medium rock blasting operations. It is particularly effective in soft rocks containing soil and other materials; The explosive is resistant to moisture absorption and caking during its storage period, ensuring safety and stability; The explosive has good free-flowing property, suitable for loading into blastholes of various diameters.
Packaging
Packaging
Available in 25 kg/bag (other sizes can be produced upon customer request).
Application
Application
This explosive is suitable for blasting operations in mine shafts and surface sites without gas, methane, or mine dust hazards. It is widely used in surface mines, quarries, underground mines, tunnels, and railway and highway construction.