AquaBond 40 NF penetrates wet cracks and fractured rock before curing into a dense, non-foamed body with approximately 40 MPa compressive strength.
Non-Foaming in Water
The product cures as a dense structural body rather than an open-cell PU foam.
Structural Strength
The cured resin develops approximately 40 MPa compressive strength under standard conditions.
Sealing and Reinforcement
It can reduce water movement while bonding cracks and fractured mineral substrates.
Suitable for Wet Injection Areas
The resin is designed for damp, wet and water-bearing cracks where ordinary structural resins may be unsuitable.
Product Introduction
AquaBond 40 NF is a two-component, non-foaming structural polyurethane injection resin for wet concrete, fractured rock and water-bearing underground ground.
Conventional PU water-stop grouts normally react by foaming and expanding. AquaBond 40 NF is different. It is formulated to cure into a dense, non-foamed solid with an expansion factor close to 1.0.
This allows the material to provide structural bonding and ground consolidation rather than relying only on foam expansion. The cured material develops approximately 40 MPa compressive strength under standard conditions.
The mixed resin can penetrate cracks, joints and fractured zones before curing. It is suitable for underground mine and tunnel consolidation, structural crack injection, shafts, caverns, foundations and selected water-retaining structures.
AquaBond 40 NF should not be described as a hydrophilic flexible PU foam. It is a rigid, non-foaming injection material intended primarily for reinforcement and dense crack filling.
Product Parameters
| Parameter | Typical Property |
|---|---|
| Product type | Two-component structural injection resin |
| Chemical system | Inorganic-modified polyurethane |
| Reaction in water | Non-foaming |
| Hardened form | Dense rigid solid |
| Approximate expansion factor | 1.0 |
| Compressive strength | Approximately 40 MPa |
| Main function | Crack filling, bonding and ground consolidation |
| Suitable substrates | Concrete, mortar, rock and mineral substrates |
| Suitable substrate condition | Dry, damp, wet or water-bearing |
| Mixing ratio | According to current TDS and package label |
| Reaction time | According to selected grade and site temperature |
| Packaging | Two-component A/B set |
| Shelf life | According to current TDS and package label |
Product Usage
Typical Applications
• Fractured rock consolidation in mines and tunnels
• Reinforcement of water-bearing ground
• Structural injection of wet concrete cracks
• Consolidation around shafts and underground caverns
• Fault-zone and joint injection
• Foundations, retaining walls and basement structures
• Water tanks and wastewater structures
• Areas where foamed PU does not provide sufficient structural strength
Application Method
1. Survey the crack or fractured zone and identify water flow conditions.
2. Drill injection holes according to the crack pattern and required treatment depth.
3. Install suitable mechanical or adhesive injection packers.
4. Clean the injection path where required.
5. Condition Components A and B to the recommended application temperature.
6. Pump both components using compatible two-component injection equipment.
7. Begin at the lowest injection point and proceed upward or outward.
8. Continue until the specified injection pressure, material take or adjacent-packer return is reached.
9. Allow the resin to cure before removing packers and repairing the surface.
Do not add water to either component. Water may be present inside the crack, but Components A and B must be proportioned only according to the current technical data sheet.
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