Description
Water Gels (Cartridge Slurry) — Pumpable Cartridge Slurry Explosives
Water gels (cartridge slurry) combine the benefits of pumpable slurry systems with the convenience of factory-filled cartridges. This format provides predictable charge mass per hole, improved water resilience compared with dry ANFO, and consistent energy delivery that aids blast designers in achieving reproducible fragmentation and controlled vibration outcomes. Cartridges are sealed and batch-tested; SDS, certificates and technical datasheets are released only to credentialed purchasers.
Market Overview
The market for water gel cartridges has expanded as operators demand water-resistant, high-performance explosives that reduce on-site mixing and improve logistical simplicity. Water gels are often preferred in environments where groundwater or partial hole flooding is present, and where cartridge emplacement speeds and traceability are important for project schedules and regulatory record-keeping.
For an industry review of gel and slurry explosive technology, see Water Gel & Slurry Explosives — Technology Review ↗.
Product Technical Specifications
| Parameter | Typical Specification |
|---|---|
| Product Name | Water Gel (Cartridge Slurry) |
| Cartridge Sizes | 38×400 mm, 50×500 mm, custom sizes available |
| Nominal Mass | ~500 g – 1,200 g per cartridge (model dependent) |
| Composition | Ammonium nitrate/fuel matrix, gelling agent, sensitizer |
| Physical Form | Gel/slurry in factory-filled cartridge |
| Detonation Velocity | ~3,000–5,800 m/s (application dependent) |
| Water Tolerance | High — suitable for wet/partially filled blastholes |
| Packaging | UN-approved cartons/drums of cartridges |
| Storage | UN-approved, licensed magazines |
| Documentation | SDS, batch certificates, technical data (to licensed buyers) |
| Typical Uses | Wet/dry blastholes, tunnels, quarrying, civil blasting |
Technical Features
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High water tolerance — gel matrix retains sensitivity and effectiveness in wet holes.
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Factory-filled cartridges — measured, consistent mass per hole for repeatable fragmentation.
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Low sensitivity — designed for safer handling and transport compared with more sensitive formulations.
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Pumpable origin — product development and QC leverage pumpable slurry tech for homogeneity.
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Batch traceability & QA — each lot is tested and documented; SDS and certificates released to verified operators.
For technical background on detonation performance and water-tolerance of gels and slurries, see Detonation Performance of Gel & Slurry Explosives ↗.
Applications & Benefits
Mining & Quarrying
Water gel cartridges are widely used where water ingress is possible — they deliver consistent initiation and fragmentation, improving load-and-haul productivity and reducing secondary breakage.
Tunnelling & Civil Works
In tunnels and underground works, cartridge slurries provide predictable energy delivery in challenging hydrogeological conditions, supporting controlled excavation and structural protection.
Demolition & Specialised Works
When precise mass and placement are required, cartridges ensure uniform charge per hole and reduce on-site handling complexity, supporting regulated demolition operations.
Benefits Summary
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Reliable fragmentation in wet conditions.
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Reduced on-site mixing and logistical complexity.
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Factory QA reduces variability in charge mass.
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Improved traceability for audits and regulatory compliance.
Quality Control & Factory Testing
Manufacturers employ strict QA processes, including:
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Raw-material verification for oxidizer and fuel quality.
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Homogenization checks and viscosity/sensitivity tests on slurry batches.
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Representative detonation-velocity sampling and stability testing.
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Cartridge weight control and packaging integrity tests.
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Batch certificates and SDS provided to licensed purchasers only.
Safety, Storage & Transport
Water gel cartridges are regulated explosives. Key safety and compliance points (for licensed operators and suppliers):
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Stored exclusively in licensed explosives magazines per local law.
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Transported only by authorised carriers in UN-approved packaging and with correct documentation.
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SDS, technical datasheets, and certificates are issued to verified buyers following credential checks.
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Public marketing materials intentionally omit operational step-by-step procedures; all priming and firing must be performed by accredited technicians under authorised site procedures.
For guidance on transport and packaging regulations, see UN Recommendations on the Transport of Dangerous Goods ↗.
Environmental & Community Considerations
When integrated into well-designed blast programs, water gel cartridges help mitigate environmental impacts:
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Vibration control: predictable charge masses support careful sequencing to meet PPV limits.
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Flyrock & dust reduction: improved fragmentation and stemming practices help reduce secondary hazards.
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Community liaison: documented batch records and pre-blast notifications underpin transparent stakeholder engagement.
Regulatory & Legal Notes
Products are sold only to licensed, credential-verified buyers. Compliance with national explosives legislation, import/export controls, and international dangerous-goods rules (ADR/IMDG/IATA) is mandatory. Suppliers will not release operational manuals or technical packs to unverified parties.
Supply Chain, Ordering & Technical Support
Authorized suppliers provide:
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Bulk carton or drum supply with batch traceability.
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SDS, certificates, and technical datasheets to verified buyers.
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Technical consultation for product selection (non-operational guidance).
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Project logistics and export/import support where legally permitted.
Water gels (cartridge slurry) deliver water-tolerant, factory-filled explosive cartridges that combine field convenience with consistent energy output for wet and dry blastholes. Their water resistance, repeatable charge mass, and rigorous QA make them a professional choice for licensed mining, quarrying, tunnelling and civil blasting projects.





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