Coppa grit, also known as Coppa slag or Coppa sand. It is widely used as an abrasive material in the surface preparation and cleaning of metal surfaces. Its sharp and angular particles make it effective in removing rust, paint, and other coatings from surfaces, which is used as an abrasive blasting agent in various industries including metal fabrication, oil and gas as well as shipbuilding.
It's worth noting that the use of Coppa slag should be done in accordance with local regulations and guidelines to ensure its safe and environmentally responsible utilization.