Description
1. River Bed Natural Material (R.B.M.)
2. Washed Sand.
How it’s made:
Natural sand is collected from riverbed or pits using machines.
It’s then cleaned to remove dirt.
To get this material screening process is done through 4.75 mm screens.
Where it’s used:
It’s the basic sand used for making plaster on walls, laying bricks, and mixing with cement.
In metal workshops, it’s used to make the inner shape (core) of metal parts before they are cast.
Core sand (used in metal factories) is made by mixing this clean sand with glue-like materials.
Common in domestic construction like walls and flooring.




