Harsco Black Beauty Coal Slag Abrasive


  • Multi-Purpose abrasive used for Sandblasting a variety of substrates, especially steel and concrete.
  • Angular particle shape creates a profile on steel, with only minimal embedment into the surface.
  • Mohs Hardness of 6-7
  • Bulk Density: 75-100 lbs/ft2
  • Less then 0.1% free silica
  • Not Recommended for blasting on stainless or aluminum
  • Comes in many different grades and packaging sizes
  • Non-Recycling
  • QPL Approved and MIL Spec approved abrasives available from select plants
  • SSPC AB-1 Approved


Black Beauty Coal Slag has been an industry leader in coal slag production for over 80 years.

Comes in 4 main grades – Coarse (10/40), Medium (12/40), Fine (20/40), Extra Fine (30/60). Harsco Slag sizing is different from other Slags so double check that you are specifying the correct size to achieve your desired profile.

Coarse 10/40 Black Beauty
This is a specialty grade that is designed for use when you need an extra large surface profile, This is the coarsest slag particle grading available from Harsco/Reed Minerals. You can expect to achieve around a 3-5mil profile

Medium 12/40 Black Beauty
Your general purpose maintenance blasting grade for removal of rust and existing coatings.  Harsco recommend using a 1/4″ blast nozzle or larger, you can expect to achieve a 3-4.8mil profile.

Fine 20/40 Black Beauty
Typical grade used for mild steel milscale removal, for blasting new tanks, and structural steel. Recommended blast nozzle size is a 3/16″ or larger, you should achieve a 2-3.5mil profile

Extra-Fine 30/60 Black Beauty
Use for whip-blasting or blasting easy to remove milscale. A 1-2.6mil profile can be expected.

Standards – Different plants have different approvals, contact us for the latest information.

  • California Title 17 for low dusting (CARB)
  • SSPC AB-1
  • 40CFR 261.24a (TCLP)
  • QPL approved MIL-A-22262B(SH)
Harsco Locations Harsco Address Loading Hours Coal Copper Blastox Available QPL/MilSpec
Baltimore MD 608 Folcroft Street Ste B Baltimore MD 21224  8AM-3PM Yes
Buffalo NY 2769 Broadway Street Cheektowaga NY 14227  8AM-3PM Yes
Drakesboro KY 9001 State Rt 176 Drakesboro KY 42337  7AM-2PM Yes Yes Yes
Fairless Hills PA 905 South Port Road Fairless Hills PA 19030  8AM-2PM Yes Yes
Gallipolis OH 5486 State Rt 7 North Chesire OH 45620  8AM-3PM Yes Yes Yes
Gary IN 7100 W 9th Ave Gary IN 46406  7AM-3PM Yes Yes Yes
Houston TX 13040 Market Street Houston TX 77015  8AM-9AM Yes Yes Yes
La Cygne KS 18730 E 2150 Industrial Park Rd La Cygne KS 66040  7AM-6PM Yes Yes Yes
Moundsville WV 9255 Energy Road Moundsville WV 26041  8AM-2PM Yes Yes Yes
Pawnee IL 226 E 1640 Road Pawnee IL 62558  7AM-2PM Yes Yes
Pekin IL 13090 East Manito Road Pekin IL 61555  7AM-2PM Yes Yes
Satsuma AL 240 Baldwin Road Satsuma AL 36572  8AM-2PM Yes Yes
Tampa FL 5950 Old 41A Hwy Tampa FL 33619 8:15AM-3:45PM Yes Yes Yes Yes
Virginia Beach VA 2429 Ferry Road Virginia Beach VA 23455  8AM-3PM Yes Yes Yes

Additional information

Skid Size

100lb bag on 3000lb skid, 4000lb bulk bag, 50lb bag on 3000lb skid, Bulk Tanker

Grit Size

Coarse (10/40), Extra Fine (30/60), Fine (20/40), Medium (12/40)

Document Downloads

Safety Datasheet Spanish

Technical Product Datasheet

Safety Datasheet