Si Powders HS-12 is a micro fine blended cement powder with 98% of particles below 12 µm HS-12 is manufactured to the following specifications: d98 = 12 µm d50 = 1-2 µm Blaine surface Area of >10000 cm²/gm Its uses include: Additive to Concrete (Ultra) High performance concrete Fibrecrete Shotcrete/Spraycrete Standard pool spray Precast/Tilt-panel Concrete structures Render mix … Continue reading HS-12