Fly Ash
High-quality fly ash suitable for cement production and concrete applications. Our fly ash improves workability and durability while reducing permeability in concrete structures.
Source: By-product from coal combustion in thermal power plants. Available in Class F (Low calcium, produced from burning anthracite or bituminous coal) and Class C (High calcium, produced from burning lignite or sub-bituminous coal).
Chemical Composition: Silicon Dioxide (SiO₂) 55-65%, Aluminum Oxide (Al₂O₃) 25-35%, Iron Oxide (Fe₂O₃) 5-10%, Calcium Oxide (CaO) Class F <10% Class C >20%, Magnesium Oxide (MgO) <2%, Loss on Ignition <5%.
Physical Properties: Fineness minimum 66% passing through a 45-micron sieve, Specific Gravity 2.1 to 2.6, Color light to dark gray, Spherical glassy particles, Bulk Density 800-1000 kg/m³ (loose) 1000-1200 kg/m³ (compacted).
Packaging: Jumbo bags, bulk shipments, as per request. Minimum Order: 40ft container (20-23 MT). Payment: FOB Site. Shipping: Sea freight. Lead Time: 3-4 weeks from order confirmation.
Applications: Portland cement production, Ready-mix concrete, Precast concrete products, Highway road construction, Soil stabilization.