Alumina Silica Sagger For Powder And Green Body Sintering And Calcination
--Introduction
A sagger is a type of kiln furniture. It is a ceramic boxlike container used in the firing of pottery to enclose or protect ware being fired inside a kiln or furnace. Battery ternary anode materials, metallic powder materials, MLCC powder materials and rare earth, among others, can be better calcined in this container, with or without lid.
It can be used in all kinds of kilns and furnaces, except rotary kiln, depending on the ambiance as well as the product that requires sintering or calcining.
--TDS of saggers of various compositions
Propery | cordierite | mullite | Cordierite-mullite | Mullite-corundum | High-alumina ceramic |
Al2O3 % | ≥40 | ≥65 | ≥80 | ≥92 | 99.7 |
SiO2 % | ≤48 | ≤28 | ≤18 | ≤5 | trace |
Fe2O3 % | ≤1.5 | ≤1.5 | ≤1.2 | ≤0.5 | trace |
Density g/cm3 | ≥2.0 | ≥2.4 | ≥2.6 | ≥3.7 | 3.9 |
Thermal expansion 1000℃ | 2.3 | 5.0 | 6.5 | 7.8 | |
Refractoriness ℃ | ≥1580 | ≥1650 | ≥1750 | ≥1850 | |
Thermal stability 1100 ℃ (cold water) times | ≥70 | ≥20 | ≥10 | ≥5 | |
Working temperature | ≤1250 | ≤1350 | ≤1450 | ≤1500 | 1500 |
Please be noted: The data presented represents typical average results. They are subject to normal variation and should not be used for warranty or specification purposes. Also, since we have our own lab and factory, we are able customize our products to meet customers' needs.
--Feature
High mechanical strength
Good electrical insulation
Low dielectric constant and dielectric loss
Similar thermal expansion with electronic components
High thermal conductivity
Excellent corrosion resistance
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