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Grinding Media

Ceramic grinding media micro mini and standard size media for mixing

Durable Ceramic Materials for Exceptional Grinding Performance

CoorsTek provides highly durable materials specifically formulated to ensure consistent performance for your bulk material preparation. We can help with your standard and custom applications.

Illustration of Ceramic Grinding Media Ball Mill Cutaway

Grinding Media Applications:

  • Silica sand manufacturing
  • Decorative ceramic tile manufacturing
  • White cement manufacturing
  • Non-metallic mineral grinding
  • Rods and media balls for wear-resistant applications
  • Inert tower packing for chemical processing
  • Filler material for plastic and paper product

MiNi and Micro Ceramic Media

Small diameter ceramic media is used to disperse chemical coatings, paint, pigments, wear-resistant epoxies, and more for industrial, automotive, marine, and other applications. 

  • Paint mixing & manufacturing
  • Pigment manufacturing
  • Wear-resistant epoxy resins

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Tips for Best Grinding Results

Determine how to select the best material, size, and shape. Learn how much material will properly charge your mill and how long you can expect it to last. 

Learn more

Advanced Grinding Media Materials

As a leading worldwide technical ceramics manufacturer, CoorsTek offers a variety of ceramic materials for grinding media applications.

Alumina Ceramics

Zirconia Ceramics
(for specialized, heavy-duty grinding media applications)

TYPICAL PHYSICAL PROPERTIES
OF COORSTEK HIGH-DENSITY CERAMIC MEDIA
Test
Unit
AD-90/AB-9
AD-995
Specific Gravity
g/cc
3.6
3.9
Hardness
R45N (MOHS)
79 (9)
83 (9)
Water
None
None
Compressive Strength
MPA (Kpsi)
2482 (360)
2620 (380)
Color
White
Ivory
Ball shaped ceramic grinding media

Ball-shaped ceramic grinding media

Rod-shaped ceramic grinding media

Rod-shaped ceramic grinding media

Ordering Information

BALL SHAPES: AD-90
(Weight 138 lbs/Cu ft)
Size
(in.)
Part Number
Pieces per LB
Surface Area (in2/lb)
2 1/2
74543
1
20
2
74540
2
25
1 3/4
74546
3
27
1 1/2
74536
5
35
1 1/4
74534
8
42
3/4
74530
34
60
5/8
74528
60
74
1/2
74526
122
96
3/8
74524
285
126
1/4
74503
940
185
7/32
74502
1420
214

ROD SHAPES: AD-90
(Weight 140-145 lbs/Cu ft)
Size
(in)
Part Number
Pieces per LB
Surface Area (in2/lb)
1 1/4 x
1 1/4
74553
5
37
13/16 x 13/16
74551
18
56
1/2 x 1/2
74501
80
94
1/4 x 1/4
74549
600
176

BALL SHAPES: AD-995
(Weight 150 lbs/Cu ft)
Size
(in)
Part Number
Pieces per LB
Surface Area (in2/lb)
1 1/4
41355
7
34
1
74571
14
43
3/4
74570
32
57
1/2
74569
109
114
3/8
06350
259
114
1/4
13965
873
172

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