FOSROC Conbextra HF
Conbextra HF is a high-flow, non-shrink, cementitious grout for grouting of gap thicknesses 10 to 100 mm It conforms 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 which impart controlled expansion in both the plastic and hardened states.It can be used or gap thicknesses from10 to 125 mm.
- Unique non-metallic dual expansion system compensates for shrinkage in both the plastic and hardened states.
- Excellent initial flow and flow retention.
- High early strength facilitates rapid installation and early operation of plant.
- High ultimate strength and low permeability ensure durability of the hardened grout.
- Hydrogen-free gaseous expansion.
- Chloride free.
- Suitable for pumping or pouring over a large range of application consistencies and temperatures.
Main usesConbextra HF is supplied as a ready to use dry powder. The addition of a controlled amount of clean water produces a free-flowing grout for gap thickness up to 100 mm. In addition the low water requirement ensures high early strength and long-term durability. |
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