Flyash Reinforcement Concept

• Waste product from coal-burning power plants

  • Hollow cenospheres, density of 0.7 g/cm3
  • Solid precipitator particles, density of 2.3 g/cm3
  • Composition: 55-60% SiO2, 25-30% Al2O3, 5% Fe2O3

• Raw material cost of $15-$30/ton ($0.0075-$0.015/lb.)

• Considered as low cost “filler” for “high cost” aluminum