Si Powders S-30 is a fine Portland cement powder with 98% of particles below 30 µm. S-30 is manufactured to the following specifications: d98 = 30 µm d50 = 2-5 µm Blaine surface Area of >8000 m²/g Its uses include: High Performance Concrete Repair and rehabilitation for concrete cracks, voids, or direct injection into fissure More information can be found in … Continue reading S-30