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soluble aluminum hydroxide
aluminum oxide
Classification: Alumina
Synonym: Aluminia; Alphaalumina; AluminumOxide; Powder
CAS No.: 1344-28-1
MF: Al2O3
Molecular Weight: 101.96 g/mole
EINECS No.: 215-691-6
UN No.: 1263
Hazard Class: 3
HS Code: 2818200000
Purity: 99%
Place of Origin: Hubei, China
Appearance: White powder
Application: Functional ceramics, Electronic ceramics, Laser materials
Delivery Detail: prompt shipment
Packaging Detail: 25KG/bag or customer requirement
Data:
Model
Property | AF-1 | AF-2 | AF-3 | AF-4 | AF-5 | AF-6 | AF-7 |
AL2O3 Min (%) | 99.5 | 99.5 | 99.5 | 99.5 | 99.5 | 99.5 | 99.5 |
SiO2 Max (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.06 | 0.06 | 0.06 |
Fe2O3 Max (%) | 0.03 | 0.04 | 0.03 | 0.03 | 0.04 | 0.03 | 0.03 |
Na2O Max (%) | 0.1 | 0.2 | 0.25 | 0.15 | 0.2 | 0.25 | 0.3 |
Loss on Ignition Max (%) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Alpha-AL2O3 Min (%) | 96 | 95 | 94 | 95 | 94 | 93 | 93 |
True density (g/cm3) | 3.96 | 3.94 | 3.95 | 3.95 | 3.94 | 3.95 | 3.95 |
D50 Min (μm) | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
D90 Min (μm) | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
Grain size | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc | 80mesh 120mesh 325mesh 800mesh 1μm 0.75μm 0.35μm etc |
Applications:
Main ingredient of Ruby and Sapphire are alumina, because of other impurities present different color. Ruby red contains chromium oxide, the sapphire blue containing iron oxide and titanium dioxide.