Silica fume is a Pozzolan which when added to your scratch mix leads to better engineering properties including thermal cracking caused by the heat of cement hydration, improved durability, resistance to attack by sulfate and acidic waters, and increased strength.
Silica fume is a Pozzolan which when added to your scratch mix leads to better engineering properties including thermal cracking caused by the heat of cement hydration, improved durability, resistance to attack by sulfate and acidic waters, and increased strength.