High Temperature Resistance Good Thermal Shock Resistance Ceramic Sagger For Powder Firing
Product Description
These saggers can be stacked directly on top of each other at Temperatures up to 1650 ℃. Reduced wall thickness over traditional high alumina or mullite refractory saggers can lead to increased product loading, further weight reduction, decreased cycle time.The Al2o3 ceramic sagger for the application range up to 1750℃.
Product Feature
● High temperature resistance :
Corundum mullite saggars can withstand extreme temperatures without melting or deforming, ensuring the stability of the enclosed items during the firing process.
● Chemical inertness :
These saggars exhibit excellent resistance to chemical reactions, ensuring that the materials being processed remain unaffected by the surrounding environment.
● Thermal shock resistance :
They have good thermal shock resistance, preventing cracking or damage when subjected to rapid temperature changes.
Product Parameter
Property |
Cordierite-mullite |
Mullite-corundum |
Mgo % |
3-6 |
- |
Al2O3 % |
40-45 |
≥80 |
SiO2 % |
≥46 |
≤18 |
Fe2O3 % |
≤0.03 |
≤0.03 |
Density (g/cm3) |
≥2.2 |
≥2.7 |
Apparent Porosity |
≤20 |
≤22 |
Cold Crushing Strength (MPa) |
- |
≥80 |
Thermal Stability (1100℃ Water Cooling) |
≥60 |
≥30 |
Application Area
● Ceramic Saggers are Container kiln furniture that used to load shaped products and powdered non-shaped materials. When used to load shaped products, they mainly protect the products from pollution, support or shape the products, such as glaze firing of high-end daily-use ceramics, shaping of bone ash porcelain products, loading of electronic ceramics, etc.; when used to hold powdered materials, the powder can be heated to produce decomposition, chemical reaction, or melting, such as calcination of lithium battery powder, calcination of high-purity hydroxides, calcination of rare earths, gold prospecting melts, precision alloy casting melts, etc.
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