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Help CenterPink Fused Corundum F24F30F36F46F54F60F70F80F90F100F120F150F180F220
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Pink Fused Corundum F24F30F36F46F54F60F70F80F90F100F120F150F180F220
Pink fused Corundum is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.
Chemical composition
|
Specification |
Low chromium |
Medium chromium |
High chromium |
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|
Al2O3 （%） |
Cr2O3 （%） |
Na2O （%） |
Al2O3 （%） |
Cr2O3 （%） |
Na2O （%） |
Al2O3 （%） |
Cr2O3 （%） |
Na2O （%） |
|
F12-F80 |
≥98.50 |
0.20-0.45 |
≤0.50 |
≥98.20 |
0.45-1.00 |
≤0.55 |
≥97.40 |
1.00-2.00 |
≤0.55 |
F90-F150 |
≥98.50 |
≤0.50 |
≥98.20 |
≤0.60 |
≥97.00 |
≤0.60 |
|||
F180-F220 |
≥98.50 |
≤0.50 |
≥97.80 |
≤0.70 |
≥96.50 |
≤0.70 |
|||
Physical property
Basic minerals |
Crystal size μm |
True density g/cm3 |
Bulk density g/ cm3 |
Knoop hardness kg/mm2 |
α-Al2O3 |
600-2000 |
≥3.90 |
1.40-1.91 |
2200-2300 |
Application: The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.
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