Manus Abrasive Systems Inc - Physical Characteristics of Abrasives

Manus Abrasive Systems Inc.

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Physical Characteristics of Abrasives

MATERIAL	HARDNESS (MOHS SCALE)	GRAIN SHAPE	SPECIFIC GRAVITY	COLOR	FREE SILICA CONTENT	FREE IRON CONTENT	DURABILITY

CORN COBS WALNUT SHELLS	2 3	Cubical Cubical	1.3 1.3	Tan Light Brown	None None	None None	Good Good
PLATIC MEDIA GLASS BEADS	3 to 3.5 4.5	Angular Spherical	1.2 3.0	White Crystal	None None	&lt .002% None	Excellent Good
SAND COPPER SLAG	5 6 to 8	Rounded Spherical	1.75 3.16	Tan Black	90% to 100% None	&lt 1% &lt 1%	Fair Good
STEEL SHOT STEEL GRIT	6 to 7 6 to 7	Spherical Angular	4.80 1.75	Steel Grey Steel Grey	None None	99% 99%	Excellent Excellent
FLINT SHOT GARNET	6 to 7 7	Spherical Spherical	1.75 4	White Pink	90% to 100% &lt 2%	&lt 2% &lt 1%	Good Good
QUARTZ ZIRCON	7 7.5	Sperical Cubical	2.65 4.58	White Tan	100% &lt 5%	&lt 2% &lt 1%	Fair Good
EMERY ALUMINUM OXIDE	8 9	Angular Cubical	4.00 3.80	Reddish Brown Brown	&lt 1% &lt 1%	&lt 1% &lt 1%	Good Very Good
SILICON CARBIDE DIAMONDS	9 10	Cubical Cubical	3.13 3.50	Black Yellow	&lt 1% &lt 1%	&lt 1% &lt 1%	Good Excellent