Quackenbush Company, Inc.
Grinding Media Specifications

Quacksand Q-Bead Q-Ball Ceramedia 
"700"
Zirconium Silicate 
QBZ-58A
Zirconia 
QBZ-95
Quackshot
Composition
99% Silica
Soda-Lime
Silica Glass
Soda-Lime
Silica Glass
Soda-Lime
Silica plus
CaO, MgO
ZrO2- 58%
SiO2- 37%
ZrO2- 95%
MgO+CaO- 4%
Medium Carbon
through
Hardened Steel
Standard Sizes 
(mm)
0.8
1.3
0.5, 0.8,
1.2, 1.5
2.0, 3.0
5.0, 10.0
1.0
0.6, 0.8, 1.0,
1.4, 1.6, 
1.8, 2.0,
2.2 
0.7, 1.0,
1.2, 1.4,
1.6, 1.8, 2.0
0.8, 1.2,
1.5, 2.0
Dry Bulk 
(lbs./gallon)
13.1
12.7
12.7-2.0mm
12.8-3.0mm
14.5
20.7
29.2
41.4
Hardness
7
(Moh's)
5-6
(Moh's)
5-6
(Moh's)
6-7
(Moh's)
800
(Vickers)
1,023
(Vickers)
47
(Rockwell "C")
Sphere Count
N/A
90%
90%
90%
95%
90%
90%
Air Inclusion
N/A
<1%
<1%
<3%
N/A
N/A
N/A
Average Crush 
Strength (PSI)
12,000
70,000
80,000
68,000
>133,000
>150,000
N/A
Specific Gravity 
g/cc
2.5
2.5
2.5
2.7
4.0
5.5
7.8
Packaging 
(net wt.)
44#
44#
44#
55#
55#
50#
50#
Quackenbush Company, Inc.
6711 Sands Road
Crystal Lake, IL 60014 (USA)
Phone: 815-479-8900 Fax: 815-479-8890
E-Mail: quackco@mc.net
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WWW http://www.quackco.com