Report from practice on the X-Seed 100® accelerator from BASF
TBA Trimmiser Baustoffe AG is an independently-managed company and is known for the high-quality concrete components it manufactures to customer’s requirements for all possible applications in the areas of building construction, underground, tunnel and hydraulic structures. In the manufacture of precast components in fair-faced concrete quality, the company uses X-Seed 100® with great success.
X-Seed 100 was introduced to the public by BASF Technology Center in Trostberg/Germany in the autumn of last year (BFT 01/10). The protected technology is based on seeding (injection) of the pore solution with synthetically manufactured calcium-silicate-hydrate crystallites, which are made available to the customers as liquid admixtures for addition into the concrete mix in the mixer in the usual manner. Since no nucleus formation energy is needed for the seed crystals, in contrast to common cement hydration, and because the existing nanoscaled crystallites can grow simply in the oversaturated...