Coal/Copper Slag Abrasive Sandblasting Media


  • General Purpose abrasive used for Sandblasting
  • Angular shape creates a profile on steel
  • Not Recommended for blasting on stainless or aluminum
  • Comes in many different grades and packaging sizes
  • Non-Recycling


Coal slag is a glass matrix alumina-silicate which is produced as a by-product of coal burning power plants. As it burns, the residual ash becomes molten. When this slag is cooled, it vitrifies into a glassy, abrasive material, which is then crushed to produce blast media.


  • Grades: 12/20, 12/40, 20/40, 30/60, 80, Extra-Coarse, Coarse, Medium, Fine, Extra-Fine
  • Packing Types: 4000lb and 2000lb Bulk bags, 100lb, 80lb, 50lb paper bags. Packaging types vary by plant and manufacturer
  • Blasting Speed: 50 – 150 ft²/hr
  • Dust factor: High
  • Recyclability: 1/10
  • Consumption rate: 5-12 lb/ft²


  • Primarily used for the surface preparation of steel and concrete surfaces.
  • Used for general purpose repair and maintenance blasting of coated steel surfaces
  • Produces a moderate profile
  • Used for a near white blast through medium to heavy coatings, heavy rust, and heavy mill scale


  • Low cost
  • Versatile in a wide variety of applications
  • Plentiful supplies


  • Non-recyclable
  • High dust
  • Embedment into surfaces

Additional information

Weight N/A
Skid Size

3000lb skid, 4000lb skid, 50lb bag on 3000lb skid

Grit Size

12/40, 20/40

Product Type

Coal Slag, Copper Slag