Colloidal Silica - Ron Blank & Associates, Inc.

First-Generation DensifiersThe process of applying thesedensifiers can generate a caustic,gelatinous slurry that must bethoroughly scrubbed off and disposedof as hazardous waste.The high pH (alkalinity) of silicatesmakes them unpleasant for applicatorsto handle. In fact, some cities andstates are imposing tighter restrictionson how and where the slurry ofsilicate hardeners can be disposed of.Caustic materialHazardous waste disposal