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Fly Ash


Fly Ash

Specifications

Type Fly Ash
Bulk density 0.38-0.44
PH 7-8
Refractoriness( ℃ ) 1100-1660
SiO2 35% min
MgO 5% max
Na2O3 1% max

Fly Ash Applications : Fly ash can be used as prime material in blocks, paving or bricks; however, one of the most important applications is PCC pavement. PCC pavements use a large amount of concrete and substituting fly ash provides significant economic benefits. Fly ash has also been used for paving roads and as embankment and mine fill, and it’s gaining acceptance by the Federal government, specifically the Federal Highway Administration.

Fly Ash Benefits :

  • Produces various set times
  • Cold weather resistance
  • Higher strength gains, depending on its use
  • Can be used as an admixture
  • Can substitute for Portland cement
  • Considered a non-shrink material
  • Produces denser concrete and a smoother surface with sharper detail
  • Great work ability
  • Reduces crack problems, permeability, and bleeding
  • Reduces heat of hydration

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