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Pink fused alumina
Pink Fused Alumina is produced by adding chromium oxide to high purity aluminum oxide during the fusion process. The amount of chromium oxide added affects the color of the final product, as well as the toughness of the grain. With increased additions of chromium oxide, the toughness of the grain increases.
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- Chromite sand/powder/flour
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Properties
AVERAGE CHEMICAL COMPOSITION(TYPICAL)(%)
Pink Fused Alumina(Low Chromium)
|
Size |
Al2O3 |
Cr2O3 |
Na2O |
Fe2O3 |
|
F012 F014 F016 F020 F022 F024 F030 F036 F040 F046 F054 F060 F070 F080 |
≥98.5 |
0.2-0.45 |
≤0.3 |
0.01-0.05 |
|
F090 F100 F120 F150 |
≥98.5 |
0.2-0.45 |
≤0.35 |
0.01-0.05 |
|
F180 F220 |
≥98.0 |
0.2-0.45 |
≤0.40 |
0.01-0.05 |
Pink Fused Alumina(Medium Chromium)
|
Size |
Al2O3 |
Cr2O3 |
Na2O |
Fe2O3 |
|
F012 F014 F016 F020 F022 F024 F030 F036 F040 F046 F054 F060 F070 F080 |
≥98.2 |
0.45-1.00 |
≤0.30 |
0.01-0.05 |
|
F090 F100 F120 F150 |
≥98.2 |
0.45-1.00 |
≤0.35 |
0.01-0.05 |
|
F180 F220 |
≥97.8 |
0.45-1.00 |
≤0.40 |
0.01-0.05 |
Ruby Fused Alumina
|
Size |
Al2O3 |
Cr2O3 |
Na2O |
Fe2O3 |
|
F012 F014 F016 F020 F022 F024 F030 F036 F040 F046 F054 F060 F070 F080 |
≥97.4 |
1.00-2.00 |
≤0.30 |
0.01-0.05 |
|
F090 F100 F120 F150 |
≥97.0 |
1.00-2.00 |
≤0.35 |
0.01-0.05 |
|
F180 F220 |
≥96.5 |
1.00-2.00 |
≤0.40 |
0.01-0.05 |
PHYSICAL PROPERTIES(TYPICAL)
|
Basic minerals |
α-Al2O3 |
|
Crystal size μm |
600-2000 |
|
True density g/cm3 |
≥3.90 |
|
Bulk density g/ cm3 |
1.40-1.91 |
|
Knoop hardness kg/mm2 |
2200-2300 |
Application
- The abrasive tools made of it feature excellent durability and high processing cleanness, which are suitable for
- Precision grinding of the measuring tools
- Lathe main shafts
- Instruments and apparatus parts
- Threading workpieces
- Samplers
