| IMAGE |
TYPE/SIZES |
RECOMMENDED
FOR |
CONSIDERATIONS |
|
GLASS
(Lead Free)
2.5 specific gravity
materials
3.5 pounds per liter
0.25 TO 3 MM
0.25 to 2.5 MM |
Light
to medium viscosity
Easy to Medium grinds
|
May
float in higher viscosity or denser
Uniform in size
Cleans easily
Lower Cost
|
 |
ZIRCONSIUM
SILICA
(70% zirconium, 30% Silicate)
3.8 specific gravity
5.2 pounds per liter
Uniform Shape
|
Medium viscosities
Harder grinds
Particle reduction
|
Possible higher
product temperatures
Increased amperage draw
Break in washing required
Abrasive in low viscosities
|
 |
ZIRCONIUM
OXIDE
(95% Zirconium Oxide)
5.4 specific gravity
7.5 pounds per liter
Uniform shape
Spherical
Long Wearing
Low contamination
|
Heavy
pastes
High Solids
Particle reduction
Purity
Advanced Ceramics |
Abrasive
in low viscosities
Possible higher product temperature
Increased amperage draw
|
 |
YTZ-YTTIA
STABILIZED ZIRCONIA
6.0 specific gravity
8.25 Pounds per liter
media
Very uniform in size
Now available in different grades based on size range.
|
Purity
Very low wear
Contamination free |
Cost
Mass can help when going to micro |
 |
STEEL
SHOT
7.1 specific gravity
10 pounds per liter
Relatively low cost
mills
Close Screening
|
Heavy
pastes
Hard particles
Particle Reduction |
Discoloration
of light materials
Not as uniform as steel balls
May not be recommended in all horizontal
Carbon Steel
|
 |
STEEL
BALLS
7.1 specific gravity
10 pounds per liter
Round Smooth uniform
Long wearing |
Heavy
pastes
Hard particle
Particle reduction |
Discoloration
of light colors
Possible Iron Contamination
Possible temperature increase
Increased amperage draw on start up |