EMI

Engineered Mills, Inc.
and Mixers
888 East Belvidere Rd.
Grayslake, IL 60030 USA

Tel: 847-548-0044
Fax: 847-548-0099
E-mail:
sales@EMImills.com

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& Dispersers
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Grinding Media
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Grinding Media

 

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 products
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
Abrasive in low viscosities
Lower cost

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-YTTRIA STABILIZED ZIRCONIA
6.0 specific gravity
8.25 Pounds per liter
Very uniform in size
Now available in different grades based on size range.

Purity
Very low wear
Contamination free
Cost
Higher density will help when small beads are used.
Greater outputs possible with lower wear on the beads and the mill. This makes the cost worth it.

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
This bead is not used very often for most products.

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