Conbextra HF, dual shrinkage compensated cementitious precision grout, is supplied as a ready to use dry powder. The addition of a controlled amount of clean water produces a freeflowing precision grout for gap thicknesses up to 125 mm. In addition the low water requirement ensures high early strength and long term durability.
Conbextra HF is a blend of Portland cements, graded fillers and chemical additives which impart controlled expansion in both the plastic and hardened states.
The filler grading minimises segregation and bleeding over a wide range of application consistencies.
Maximum aggregate size for pumping is 2.5 mm.
Conbextra HF is used for free flow precision grouting in a wide range of applications. Typical pplications include: