Specification of Cement Fosroc Conbextra HF
Description
Conbextra HF 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 thickness up to 125mm. 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.
Uses
Conbextra HF is used for free flow precision grouting in a wide range of applications. These critical uses include heavy duty support beneath machine base plates, bridge bearings and crane rails.
Advantages
* Unique non-metallic dual expansion system compensates for shrinkages in both the plastic and hardened states.
* Excellent initial flow and flow retention
* High early strength facilitates rapid installation and early operation of plant
* Hydrogen free gaseous expansion
* Chloride free
* Suitable for pumping or pouring over a large range of application consistencies and temperatures
