Wholesale Fine Calcined Alumina Powder - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa
Wholesale Fine Calcined Alumina Powder - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa Detail:
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 |
||||||
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 |
Product detail pictures:





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Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Wholesale Fine Calcined Alumina Powder - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa , The product will supply to all over the world, such as: Irish, South Korea, Tanzania, Since the establishment of our company, we have realized the importance of providing good quality products and the best before-sales and after-sales services. Most problems between global suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it.

The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.

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