- COLOR: white
- Brand Name: SMEC
- Purity: 99.5%MIN
- Place of Origin: China (Mainland)
- Model Number: SMEC-AA
Calcined Alumina Powder is white powder, uniform grain size, low moisture, stalble chemical performance and used as raw material
A: Fine Calcined Alumina Powder
It is white powder, uniform grain size, low moisture, and stable chemical performance. Used as raw materials for aluminous refractory, ceramic products, sparking plugs, grinding materials. It is basic material for aluminous refractory and high quality fillers with strong fire-retardant performance.
1. Main standard
Chemical composition | Alumina(α-AL2O3)/ Fine Calcined |
Appearance | White powder |
Package | 25kg woven bag |
Characteristics | It is white powder, uniform grain size, low moisture, stalble chemical performance. |
Application | aluminous refractory, ceramic products, sparking plugs and grinding materials. It is the basic material for aluminous refractory and high quality fillers with strong fire-retardant performance. |
2. Specification
No | Item | Unit | Index | |
LJ-A | LJ-B | |||
1 | AL2O3 | %≥ | 99.5 | 99.5 |
2 | SiO2 | %≤ | 0.10 | 0.10 |
3 | Fe2O3 | %≤ | 0.03 | 0.04 |
4 | Na2O | %≤ | 0.10 | 0.20 |
5 | Loss in burning | %≤ | 1.0 | 1.0 |
6 | α-AL2O3 | %≥ | 96.0 | 95.0 |
7 | Proportion | %≥g/cm3 | 3.96 | 3.94 |
8 | Granularity% | ≤2um | ≥90 | ≥85 |
D50um | ≥0.60 | ≥0.80 | ||
B: Low Temperature Alumina
C:High Fine Alumina
D:Calcined Alumina
E:Alumina (AL2O3)/Industry grade
F:Activated alumina(for Hydrogen peroxide)
G: Activated alumina (Defluorination formulations)
H: Activated Alumina (AL2O3)/Desiccant type
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