Microsilica 600 is a highly reactive pozzolan. It is processed from a natural, white, silica deposit found in New Zealand.
Like silica fume, it is a very fine amorphous silica and falls in the microsilica family of products. When added with Portland cement, Microsilica 600 facilitates high performance concrete by promoting:
Very low chloride ion diffusion
Increased compressive strength
Reduced water permeability
Improved sulphate resistance
Improved abrasion resistance
Improved resistance to chemical attack
Improved stability in geothermal environments
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