Conbextra HF - Cementitious Grout
Verified by manufacturer 10 days ago
EPD
Certificate type
CarbonNeutral®
Certificate type
High-flow, non-shrink, cementitious grout.
Application
Used for free flow, non-shrink, cementitious grouting of gap thicknesses 10 to 100 mm. Recommended applications include:
- Large stanchion baseplates.
- Joints between pre-cast concrete panels.
- Pumped grouting applications.
- Grouting applications where pouring access is restricted.
- Anchoring of reinforcing steel bars.
- Installation of tie bars.
Description
High-flow, non-shrink, cementitious grout conforming to the requirements of BS EN 1504-3 Class R4 and BS EN 1504-6: Anchoring of reinforcing steel bar. Conbextra HF is a blend of Portland cements, graded fillers and chemical additives. The filler grading produces a highly flowable grout which will not segregate or bleed
Features and benefits:
- Non-shrink.
- Highly flowable.
- High early age strength.
- Chloride free.
- Suitable for pumping.
- Complies with LU Standard 1-085 ‘Fire Safety Performance of Materials’.
- Grouting of gap thicknesses 10 to 100 mm.
- Supplied as a ready to use dry powder.
- Certified carbon neutral product.
General information
Color | Grey |
Finish | Cement |
Material | Cementitious |
Shape | Formless |
Uniclass | |
CAWS | E60/325 Grouting G10/310 Anchorages to concrete C42/310 Repair mortar |
Specification data - Cementitious grouts
Colour | Grey. |
Standard | To BS EN 1504-3 and BS EN 1504-6. |
Mortar type | Cement-based. |
Performance requirement class | R4. Guidance for specification option: Compressive strength to EN 12190:1999, Class R4 ≥45 MPa:
|
Adhesion strength | >2.0 MPa. Manufacturer guidanceAdhesion strength by pull off test. |
Chloride Ion content | <0.05%. |
Freeze thaw cycle | >2.0 MPa. Manufacturer guidanceThermal compatibility: freeze thaw cycling with immersion. |
Carbonation resistance | Pass. |
Elastic modulus | 32.7 GPa. |
Anchoring | ≤0.6 mm at 75 kN load. Manufacturer guidanceTesting of anchoring products by the pull-out method. |
Fire classification | Class A1. |
Thickness | Minimum: 10 mm. |
Flexural strength | 5.5 MPa at 28 days. |
Tensile strength | 3.7 MPa at 28 days. |
Density | Nominally 2130 kg/m-³. Manufacturer guidanceFresh wet density. |
Dangerous substances | Complies with 5.3 (EN 1504-6) and 5.3 (EN 1504-3). |
Sustainability data
Country of material origin | Europe Guidance for specification option: UK, Europe and global. |
Country of product manufacture | United Kingdom |
Material | Cementitious |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0.41 kg CO₂ eq/kg |
Recyclability | 80% by mass reused as inert aggregate; 20% disposal |
Third party certifications
Third party certifications
EPD
Grout Products EPD
CarbonNeutral®
Carbon Neutral Product Certification