When CO2 is blown into silica, it instantly converts the silica into a material as hard as brick. And a brick can be formed in a little less than a minute. That's what's special about this material. However, bricks break easily. To achieve sufficient strength, so the structural material can be stretched and bent without incorporating steel rods, it needs to be combined with an organic material, such as epoxy or urethane. By doing that, we achieve a tensile strength at least 2.5 times that of concrete. So a feature of this material is, it can be used as a basis for construction with very little steel reinforcement, or almost none.
Source: en.akihabaranews.comAdded: 11 August 2011