What it is
Fine ash collected from coal-fired power plants; used in PPC cement, bricks, blocks, concrete and road fill.
Siliceous (Grade I) and calcareous (Grade II) per IS 3812 (Part 1)Dry ash (ESP)Pond ashBottom ash
Rules before you buy or sell
- Thermal power plants must supply fly ash to users under the MoEFCC fly ash utilisation notifications; ask the nearest plant about free or priced allocation.
- BIS standards: IS 3812 (Part 1) fly ash for cement and concrete; IS 12894 fly ash-lime bricks; IS 16720 fly ash-cement bricks.
- Check the current import and export policy for your exact 8-digit HS code in the DGFT ITC(HS) schedules.
Storage and handling
Store in silos or covered sheds; transport in covered vehicles to stop dust.
Businesses that use it
Fly Ash Bricks Unit →Interlocking Bricks and Blocks →Precast Concrete Building Materials →Soil Cement Blocks (Stabilised Mud Blocks) →