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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.
CHEMICAL COMPOSITION
| Specification | Low chromium | Medium chromium | High chromium | ||||||
| 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 | 0.20-0.45 | ≤0.50 | ≥98.20 | 0.45-1.00 | ≤0.60 | ≥97.00 | 1.00-2.00 | ≤0.60 |
| F180-F2000 | ≥98.50 | 0.20-0.45 | ≤0.50 | ≥97.80 | 0.45-1.00 | ≤0.70 | ≥96.50 | 1.00-2.00 | ≤0.70 |
PHYSICAL PROPERTIES
| 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 |
Applications:
The abrasive tools made of Pink fused alumina 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
Available Sizes:
| Fraction | 0-1MM 1-3MM 3-5MM 5-8MM |
| Fine | 200#-0 320#-0 |
| Grains | 12# 14# 16# 20# 24# 30# 36# 46# 54# 60# 80# 100# 120# 150# 180# 220# |
| Micropowder | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 |
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