Metal Prep
P.O. Box 126
Jamestown, NC 27282
info@metalprep.net
800-682-4187
Tel: 336-841-8047
Fax: 336-454-3684
|
 |
Abrasive
Characteristics Comparison
|
Material
|
Mesh
Size
|
Shape
|
Density
lbs/ft3
|
Mohs
|
Friability
|
Init.
Cost
|
No. of
Cycles
|
Per use
Cost
|
Source
|
Typical
Applications
|
|
Sil. Sand
|
6-270
|
  |
100
|
5.0-6.0
|
high
|
low
|
1 |
med. |
nat. |
Outdoor
blast cleaning |
|
Min. Slag
|
8-80
|
|
85-112
|
7.0-7.5
|
high
|
med.
|
1
- 2 |
med. |
b-p |
Outdoor
blast cleaning |
|
Steel Grit
|
10-325
|
|
230
|
8.0
|
low
|
high
|
200+ |
med. |
mfg. |
Removing
heavy scale |
|
Steel Shot
|
8-200
|
|
280
|
8.0
|
low
|
high
|
200+ |
low |
mfg. |
Cleaning,
peening |
|
Al. Oxide
|
12-325
|
|
125
|
8.0-9.0+
|
med.
|
high
|
6
- 8 |
med. |
mfg. |
Cleaning,
finishing,
deburring, etching |
|
Glass Bead
|
10-400
|
|
85-90
|
5.5
|
med.
|
med.
|
8
- 10 |
low |
mfg. |
Cleaning,
finishing |
|
Plastic
|
12-80
|
|
45-60
|
3.0-4.0
|
low/med.
|
high
|
8
- 10 |
med. |
mfg. |
Paint
stripping,
deburring, cleaning |
|
Wheat Starch
|
12-50
|
|
90
|
2.8-3.0
|
high
|
high
|
1 |
high |
b-p |
Paint
stripping,
cleaning |
|
Corn Cob
|
8-40
|
|
35-45
|
2.0-4.5
|
med.
|
low
|
4
- 5 |
low |
b-p |
Removing
paint from
delicate surfaces |
=Angular =
Spherical nat.=Natural
b-p=By-product mfg.=Manufactured
Click
here to view a chart illustrating the Degrees of Cleanliness of
Blast-Cleaned Surfaces
|
