M-SAND

Subject: Economy

Context :  With rising complaints on the unregulated sale of sub-standard M-sand, the Public Works Department (PWD) of Tamilnadu will convene a meeting with stakeholders on an M-sand policy .

Concept :

• Manufactured sand (M-Sand) is a substitute of river sand for concrete construction .
• Manufactured sand is produced from hard granite stone by crushing. It is manufactured using technology like High Carbon steel hit rock and then ROCK ON ROCK process which is synonymous to that of natural process undergoing in river sand information.
• The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material. The size of M-Sand is less than 4.75mm.
• Due to fast growing construction industry, the demand for sand has increased tremendously, causing deficiency of suitable river sand in most part of the word.