XYPEX ADMIX C-1000/C-1000 NF was added to the concrete mix at the time of batching.  Xypex Admix C-1000/C-1000 NF consists of Portland cement, silica sand (excluding the NF grade) and various active, proprietary chemicals. These active chemicals react with the moisture in fresh concrete and with the byproducts of cement hydration to cause a catalytic reaction.

 

This reaction generates a non-soluble crystalline formation throughout the pores and capillary tracts of the concrete that permanently seals the concrete and prevents the penetration of water and other liquids from any direction, Xypex is constantly active whenever there is water present, which gives it the ability to self heal cracks 0.4 mm or larger.