Pink aluminum oxide(PA)
Pink aluminum oxide (PA) is
used to grind measuring and cutting tools, instruments, etc., which
demand low roughness on the surface. |
| Chemical
Composition |
| Grit |
Chemical
composition (%, by weight) |
Al2O3 |
Cr2O3 |
| F12～F90
|
≥98.50 |
0.15～0.40 |
| F100～F220 |
≥98.00 |
0.80～1.50 |
Note:
special requirement on Cr2O3 content can be
satisfied through
discussion.
|
| Pink
aluminum oxide,its hardness is close to,but toughness higher than
that of WA.The abrasive tools made of it feature excellent durability
and high processing cleaness,which are suitable for the precision
grinding of the measuring tools,lathe main shafts,instruments and
apparatus parts,threading work pieces and samplers,etc. |
Grit |
Low
chromium |
Medium
chromium |
High
chromium |
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
Al2O3 |
Cr2O3 |
Na2O |
F12-F80 |
≥98.50 |
0.2-0.45 |
≤0.50 |
≥98.50 |
>0.45-1.00 |
≤0.50 |
≥97.40 |
>1.00-2.00 |
≤0.55 |
F90-F150 |
≥98.50 |
≤0.55 |
≥98.20 |
≤0.60 |
≥97.00 |
≤0.60 |
F180-F220 |
≥98.00 |
≤0.60 |
≥97.80 |
≤0.70 |
≥96.50 |
≤0.70 |
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