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High purity alumina for sapphire crystal

CAS No.:1344-28-1
Specification:
1. Style: VK-L100G
Appearance: White powder
Size: 0.2-3um
Density, g/cm3: 0.4-1
Purity, % : 99.999
Si, ppm: 3
Na, ppm: 1
Fe, ppm: 3
Ca, ppm: 1
Mg, ppm: 1
2. Style: VK-L100K
Appearance: White pellet
Size: 50mm/60mm
Density, g/cm3: 3.3-3.7
Purity, % : 99.999
Si, ppm: 3
Na, ppm: 1
Fe, ppm: 3
Ca, ppm: 1
Mg, ppm: 1
3. Style: VK-L100Q
Appearance: White beads
Size: 1.5-3.5mm
Density, g/cm3: 0.7-1.3
Purity, % : 99.999
Si, ppm: 3
Na, ppm: 1
Fe, ppm: 3
Ca, ppm: 1
Mg, ppm: 1
4. Style: VK-L100D
Appearance: Columnar crystal
Size: 30kg/60kg/80kg
Density, g/cm3: 3.3-3.9
Purity, % : 99.999
Si, ppm: 3
Na, ppm: 1
Fe, ppm: 3
Ca, ppm: 1
Mg, ppm: 1
5. Style: VK-L100DS
Appearance: crackles
Density, g/cm3: 3.9
Purity, %: 99.999
Si, ppm: 3
Na, ppm: 1
Fe, ppm: 3
Ca, ppm: 1
Mg, ppm: 1

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