Quackenbush Grinding Media Specification Chart

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#	55#	55#	55#	55#	55#	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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