Morehouse Cowles
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Grinding Media

MorehouseCowles has gained an excellent reputation as a supplier and specialist for milling media (formerly Epworth Mill grinding media). Having the right media is vital to the production of your product. We offer a range of media to cover every need. We also offer a personalized consultation service. By filling out this form and sending it to us, we will have one of our experts review your manufacturing issues and find out which of our products is the most efficient for your operation.

We also offer some general guidelines on selecting and ordering both large and small (ferrous and non-ferrous) media.

You can also request information on other MorehouseCowles products and services via e-mail so we can tailor the information to your needs.

 Download a pdf file of the MorehouseCowles Impellers.

 Download a pdf file of the MorehouseCowles Grinding Media Guide.

Large Media (>4 mm)
Small Media (<4 mm)
Non-Ferrous large:
  • Flint Pebbles
  • Porcelain
  • Alumina Ceramic
  • Zirconia
Non-Ferrous small:
  • Sand (Ottowa Silica)
  • Soda Lime Glass
  • Modified Alumina 27% Silica Oxide (Mullite)
  • Ceramic Alumina Oxide
  • Ceramic Zirconia
  • Zirconia Silicate 30% Silica
Ferrous large:
  • Hot Forged Steel (Carbon Steel)
  • Cold Headed Carbon Steel
  • Chrome Steel
  • Ni-Hard & High Chrome
    (cast white iron)


Ferrous small:
  • Steel Shot
  • Case Hardened Steel Spheres
  • High Carbon Steel Spheres
  • Chrome Steel Spheres (52100)
  • Stainless Steel Spheres "Straight Chrome" Type 440C
  • Stainless Steel Spheres Chrome & Nickel Type 302/304




13930 Magnolia Ave.,
Chino, CA 91710 USA

Morehouse Cowles
Morehouse Cowles

13930 Magnolia Ave. Chino, CA 91710 | Tel. 909.627.7222 | Fax. 909.627.7366
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