Low Sodium Calcined Alumina (CA) Series for Ceramics
Applications
Specification
| Model No. | Chemical Composition(%) | True Density | Apparent Density | Grain Size D50 | +325 Mesh | Original Crystal D50 | Features | Recommended Applications | ||||
| Al2O3 ≥% |
SiO2 ≤% |
Fe2O3 ≤% |
Na2O ≤% |
LOI ≤% |
g/cm3 ≥ |
g/cm3 ＞ |
D50 (μm) |
＜% | D50(μm) | |||
| CA1A | 99.5 | 0.05 | 0.03 | 0.10 | 0.1 | 3.97 | >0.95 | ~70 | \ | 5.0-6.0 | 1. High temperature calcination 2. Low sodium 3. Large crystal 4. High conversion rate 5. Stable shrinkage. Good fluidity 6. High insulation performance 7. High mechanical strength |
1. High-performance ceramics, such as vacuum tubes 2. Especially suitable for hot -pressing casting process |
| CA1D | 99.5 | 0.05 | 0.03 | 0.08 | 0.1 | 3.95 | >0.90 | \ | 3.0-4.0 | 1. Low sodium 2. Moderate crystal size 3. Good particle size distribution 4. Small shrinkage and stability |
1. Spark plugs 2. Vacuum tubes 3. Wear-resistant ceramics, etc. 4. More suitable for static pressure, dry-pressing and other forming processes |
|
| CA1 | 99.5 | 0.05 | 0.03 | 0.10 | 0.1 | 3.95 | >0.90 | \ | 3.0-3.8 | 1. Static kiln calcination 2. Low sodium 3. Moderate crystal size 4. Good particle size distribution 5. High porcelain density |
1. Mainly used in electronic ceramics 2. Especially suitable for Hot die casting process |
|
| CA2 | 99.5 | 0.08 | 0.03 | 0.08 | 0.1 | 3.96 | >0.90 | \ | 2.8-3.8 | 1. Low sodium 2. Strict crystal size control 3. Good fluidity 4. Stable shrinkage |
1. Electronic ceramics, structural ceramics 2. Especially suitable for Hot die casting process |
|
| CA2G | 0.15 | >0.90 | 3.0-3.5 | < 3.0 | 1. CA2 full grinding 2. Particle size control stability 3. Low sodium 4. Shrinkage stability |
1. Electronic ceramics 2. Structural ceramics, more suitable for making ceramic rollers |
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| CA3 | 99.5 | 0.05 | 0.03 | 0.04 | 0.1 | 3.96 | >0.85 | ~70 | \ | 2.0-2.6 | 1. Strict control of firing temperature 2. Small crystal size 3. Good particle distribution 4. Pretty-low sodium |
Suitable for electronic ceramics, such as IC substrates |
| CA3G | 0.1 | 2.4-2.9 | <1.0 | Fully grinding of CA3 | ||||||||
| CA4 | 99.5 | 0.05 | 0.03 | 0.10 | 0.1 | 3.93 | >0.90 | ~70 | \ | 1.0-1.8 | 1. Good activity 2. Low sodium 3. High density after firing 4. Stable shrinkage 5. High mechanical strength |
1. Structural ceramics 2. Electronic ceramics 3. 99 alumina ceramic granulation powder material 4. Suitable for extrusion molding process as well |
| CA4G | 0.1 | >0.60 | 1.5-2.2 | <1.0 | Fully grinding of CA4 | |||||||
| CA5 | 99.5 | 0.05 | 0.02 | 0.05 | 0.1 | 3.92 | ~70 | \ | ＜1.0 | 1. Small & unifrom crystal size 2. Good activity |
99 alumina ceramic hot die casting process, etc | |
| CA5G | 1-1.3 | <1.0 | 1. Small & unifrom crystal size 2. Good activity 3. Fully grinding 4. Narrow particle size distribution |
Ceramic filter,etc | ||||||||
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