Performance accelerator for  Construction and Mining

HYDRO HC- K20 system and

Accelerator technology

This system is a directly related development

to ‘the core’, and is based around the rapid formation of ettringite, without damaging the long term physical performance of the shotcrete. To achieve this effectively there are three necessary requirements:


•A pH of around 9-11

•A seed site

•A block on Portland cement hydration

Normal alkali-free accelerators are low pH and attempt to increase the aluminum content of a Portland cement. These current typical systems were formulated in the belief that the formation of ettringite will generate heat, and allow a reduction in water content; hence increasing the effectiveness of the concrete mix.


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