2021 Good Quality Refractory Grade Calcined Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa
2021 Good Quality Refractory Grade Calcined Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa Detail:
Applications
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:





Related Product Guide:
We emphasize progress and introduce new merchandise into the market each and every year for 2021 Good Quality Refractory Grade Calcined Alumina - Low Sodium Calcined Alumina (CA) Series for Ceramics – Yufa , The product will supply to all over the world, such as: Italy, Qatar, Iran, We have been very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.

Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!

Write your message here and send it to us