Chemicals, Additives and Materials for Shotcrete and Concrete Work
Chemicals, Additives and Materials for Shotcrete and Concrete Work
This range supports underground mining, tunnelling, and civil concrete applications where consistency, predictable performance, and material stability are required. The selection includes accelerators, superplasticisers, lubricants, set retarders, fibres, and cement-based liners.
Accelerators for Shotcrete
RockAccel 51 – Alkali-Free Accelerator
RockAccel 51 provides controlled fast setting for sprayed concrete in underground environments.
Features
- Alkali-free formulation
- Stable reaction profile
- Suitable for wet-mix shotcrete
Operating Benefits
- Improves early strength development
- Reduces rebound
- Works in varied ambient conditions
RockAccel 60 – Rapid-Setting Accelerator
RockAccel 60 is designed for higher early strength where fast cycle times are needed.
Features
- Fast-hydration chemistry
- High compatibility with common binders
Operating Benefits
- Supports quick re-entry
- Maintains adhesion on uneven shotcrete surfaces
Admixtures
RockPlast 206 – Superplasticiser
A high-performance superplasticiser engineered for workable, consistent concrete.
Features
- Reduces water demand
- Improves flow characteristics
Operating Benefits
- Supports pumpability
- Reduces segregation
RockPlast Sky 3610 – High-Performance Admixture
A premium admixture for concrete requiring consistent flow and final strength performance.
Features
- Enhances dispersion
- Works across a wide temperature range
Operating Benefits
- Stable pumping through long lines
- Improved mix cohesion
Set Control and Hydration Products
RockStab 20 – Set Retarder
A set retarder that extends working time during transport or warm conditions.
Features
- Predictable delay time
- Compatible with standard cements
Operating Benefits
- Prevents premature stiffening
- Useful for long-distance pumping
RockStab HCA 10 – Hydration Control
Controls hydration in demanding underground conditions.
Features
- Slows hydration under high-temperature scenarios
Operating Benefits
- Improves workability window
- Reduces wastage
Lubricants and Release Agents
Line Lube – Pump Lubricant
Designed to prime and lubricate concrete pump lines.
Features
- Reduces internal friction
- Minimises startup blockages
Operating Benefits
- Smoother pumping
- Less wear on components
Form Oil – Neat Mould Release Fluid
A mould release agent for concrete casting.
Features
- Clean separation
- Stable coating
Operating Benefits
- Reduces surface defects
- Compatible with steel and timber formwork
Fibres and Cement Liners
FIB 650 – Macro Synthetic Fibres
Fibres engineered for reinforcement in sprayed and cast concrete.
Features
- High tensile recovery
- Even distribution
Operating Benefits
- Enhances toughness
- Reduces micro-cracking
V-Seal – Polymer-Based Spray Liner
A flexible cement-based liner for surface sealing.
Features
- Polymer-modified formulation
- Adheres to uneven rock faces
Operating Benefits
- Provides uniform surface protection
- Supports rapid application
Wetcrete Shotcrete Mix
Wetcrete 15–60 MPa
A range of ready-mix shotcrete products suited for underground mining.
Features
- Available in various strength grades
- Suitable for robotic spraying
Operating Benefits
- Reliable strength development
- Supports heavy-duty shotcrete cycles