| Model: | FEPA,JIS,GB |
|---|---|
| Brand: | LYON |
| Origin: | Made In China |
| Category: | Industrial Supplies / Tools / Abrasives |
| Label: | white aluminium , white corundum , polishing powder |
| Price: |
US $1000
/ MT
|
| Min. Order: | 5 MT |
| Live Chat: | Last Online:18 Nov, 2011 |
|
Type
|
Lower sodium （I）
|
Middle sodium （II）
|
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|
Properties
|
Fraction(mesh)
|
Fine(mesh)
|
Fraction(mesh)
|
Fine(mesh)
|
|||||
|
0-1 1-2 3-5m/m
|
0-180 0-320
|
0-1 1-2 3-5m/m
|
0-180 0-320
|
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|
Guarantee Value
|
Typical value
|
Guarantee Value
|
Typical value
|
Guarantee Value
|
Typical value
|
Guarantee Value
|
Typical value
|
||
|
Chemical Composition (%)
|
α-Al2O3
|
≥99.5
|
99.85
|
≥99.5
|
99.80
|
≥99.5
|
99.60
|
≥99.5
|
99.55
|
|
SiO2
|
≤0.05
|
0.001
|
≤0.1
|
0.05
|
≤0.1
|
0.05
|
≤0.1
|
0.1
|
|
|
Fe2O3
|
≤0.05
|
0.001
|
≤0.05
|
0.04
|
≤0.1
|
0.01
|
≤0.1
|
0.05
|
|
|
Na2O
|
≤0.2
|
0.11
|
≤0.15
|
0.11
|
≤0.25
|
0.21
|
≤0.25
|
0.16
|
|
|
Principal crystalline phase
|
α-Al2O3
|
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|
Crystal system
|
Hexagonal
|
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|
Colour
|
white
|
||||||||
|
True density (g/cm3)
|
≥3.95
|
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|
Packing density (g/cm3)
|
1.75-1.95
|
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|
Mohs hardness
|
9
|
||||||||
|
Linear expansion (1/°C)
|
8.3×10-4
|
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|
Size(mm)
|
8-5 5-3 3-1 1-0
|
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|
Fine(mesh)
|
-80,-120,-240,-320
|
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|
Micropowder(um)
|
3-5 5-10
|
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|
Test standard
|
GB/T3044-96
|
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|
Packing
|
25kg/bag or 1000kg/ton bag
|
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|
Usage
|
Refractories
|
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