Emerald Sand Coke + Iron ore + limestone

are Raw materials added in Blast furnace .

Its heated at 1500o C. Its heated at 1500 C. Molten Slag comes out . It is Cooled and Crushed. Processing is done and Crushed

to size of Natural River Sand. Emerald Sand is 100% replacement of River Sand.

EMERALD PROJECTS, # 1, first stage, 2nd Floor, 80 Feet Road HBR Layout Near BDA complex,opp kanaka sagar hotel Bangalore- 560043.Telefax:+918025445573/74

Chemicals Composition of Cement and Emerald Sand

Function of Ingredient in Emerald Sand

Lime (CaO)- Controls strength and soundness.

Sillica (SiO2)- Gives strength.Alumina (Al2 O3)- Quick setting.Alumina (Al2 O3)- Quick setting.Iron Oxide (Feo) Helps in getting good

Tensile Strength.Magnesium Oxide (MgO)-Color and

hardness.Na2 O- Controls residues.

Comparison of Emerald Sand and River

Sand in Bulking

Comparison of Emerald Sand and River Sand in

Cube Compressive Strength for M25 grade

Concrete