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Information @ a Glance

General Information

  • Copper slag is an abrasive blasting grit made of granulated slag from metal smelting processes (also called iron silicate).
  • Copper slag is a by-product created during the copper smelting and refining process.
  • Copper slag blasting edia/grit is manufactured of the granulated slag of copper refineries, and used for blast-cleaning of metal surface.
  • Copper slag is a by-product obtained during the production of copper metal, which can be used as pozzolana in the production of cementing materials.
  • One of the primary advantages to copper slag is the low risk it poses to health and the environment.
  • Copper slag also has a high strength-to-weight ratio, making it an effective option in concrete, or as a fill material under the roadway.


  • Copper slag has also gained popularity in the building industry for use as a fill material.
  • Contractors may also use copper slag in place of sand during concrete construction.
  • Copper slag can also be used as a building material, formed into blocks.
  • Copper slag is widely used in the sand blasting industry and it has been used in the manufacture of abrasive tools.
  • In general, the spent copper slag is suitable to be used as a fill material for land reclamation.
  • Copper slag is widely used as an abrasive media to remove rust, old coating and other impurities in dry abrasive blasting due to its high hardness (6-7 Mohs), high density (2.8-3.8 g/cm3) and low free silica content.


  • The copper slag, the by product of the melting plant of Lac, north Albania can be used successfully as Portland cement substitute in the cement industry.
  • Copper slag is one of the materials that is considered as a waste material which could have a promising future in construction industry as partial substitute of either cement or aggregates.
  • In Singapore, raw copper slag has been reused to remove rust and marine deposits that had accumulated on ships.
  • Sterlite Industries (India) finds a huge potential for the use of copper slag in concrete applications.
  • At present, across the world around 33 tonnes of slag is generated while in India three copper producers Sterlite, Birla Copper and Hindustan Copper produce around 6-6.5 tonnes of slag at different sites.

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