What are the chemical / physical differences between Drycrete Products and conventional silicate sealers?
Upon application, DRYCRETE Products forms colloidal silica within the capillaries and pores of the concrete.
Colloidal silica is essentially a suspension of dense, amorphous Si02 particles dispersed in a liquid phase. These particles are so small (i.e. approximately 30 to 100 nanometers) that gravity will not cause them to settle out of suspension. In addition, DRYCRETE Products exhibit a viscosity close to water and a pH in the range of 11 to 12. These attributes give DRYCRETE Products superior concrete penetrating characteristics.
Conventional silicate sealers, on the other hand, are water-soluble crystals that exhibit viscosities closer to syrup when in solution and have a pH range of 12 to 13. This indicates that for a given concrete substrate, the penetrating ability of DRYCRETE Products are much greater than conventional silicate sealers.