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Technical Specifications
Reading a J&R Grade:
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| Downloads: |
Safety Requirements for use,
Care & Protection of Abrasive
Wheels:
MSDS Sheets:
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Abrasive Grains:
Aluminum Oxide |
G |
Brown |
A
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Semi Friable |
W
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White |
F
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Friable |
Q
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Ceramic |
U |
Tough Ceramic |
L |
Ceramic |
R |
Ceramic coated |
| Silicon Carbide |
X |
Black Silicon Carbide |
C |
Green Silicon Carbide |
Grit Size |
16 – 24 |
Coarse |
36 – 80 |
Medium |
100 – 180 |
Fine |
200 + |
Very Fine |
Hardness |
A – F |
Soft |
G – L |
Medium |
M+ |
Hard |
Bond |
B - |
Resin |
BP |
Epoxy |
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