RE:RE:RE:Anonymous again the killerWell said there swm So yes the silica fume has these properties and the question then becomes if silica fume instead of CO2 is used will it have higher compressive strength, and a higher resistance to the effects of moisture and chemicals then CO2? La Farge in Alberta I believe was working with this CO2 company and CVX has mentioned in the past they know a CO2 company I am assuming CVXs partnership with Lafarge this CO2 company might be the one from Alberta