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TechFlow ProGrout HFR

High flow non-shrink, ultra-high performance specialty cementitious precision grout.


TechFlow® ProGrout HFR is a Pre-bagged factory quality controlled ready to use chloride and hydrogen free, high flow, pourable cementitious specialty grouts with high compressive strengths. TechFlow® ProGrout HFR consists of a precisely proportioned blend of Portland cement, graded fillers, supplementary cementing materials and special chemical additives to ensure hydrogen free expansion, give shrinkage compensation, frost resistance in both the plastic and hardened states, and include a crystal growth material to compensate for drying shrinkage.

Sterling Technotrade