Metakaolin - Advantages

Advantages

  • Increased compressive and flexural strengths
  • Reduced permeability (including chloride permeability)
  • Reduced potential for efflorescence, which occurs when calcium is transported by water to the surface where it combines with carbon dioxide from the atmosphere to make calcium carbonate, which precipitates on the surface as a white residue.
  • Increased resistance to chemical attack
  • Increased durability
  • Reduced effects of alkali-silica reactivity (ASR)
  • Enhanced workability and finishing of concrete
  • Reduced shrinkage, due to "particle packing" making concrete denser
  • Improved color by lightening the color of concrete making it possible to tint lighter integral color.

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