|Name:||Good Thermal Shock Resistance Cordierite Support For High Temperature Furnace||Al2O3:||≥65%|
|Application:||Industrial Furnaces||Working Temperature:||≤1600℃|
Good thermal shock resistance Cordierite support for high temperature furnace
1. Description of Mullite kiln tray
Mullite morphology is also important for its application. In this case, there are two common morphologies for mullite. One is a platelet shape with low aspect ratio and the second is a needle shape with high aspect ratio. If the needle shape mullite can form in a ceramic body during sintering, it has an effect on both the mechanical and physical properties by increasing the mechanical strength and thermal shock resistance. The most important condition relates to ceramic chemical composition. If the silica and alumina ratio with low basic materials such as sodium and calcium is adjusted, the needle shape mullite forms at about 1400 °C and the needles will interlock. This mechanical interlocking contributes to the high mechanical strength of porcelain.
2. Using area
4. Technical data
|property||cordierite||mullite||cordierite- mullite||Mullite -- corundum|
|Al2O3 %||≥ 40||≥ 65||≥ 80||≥ 92|
|Fe2O3 %||≤ 1.5||≤ 1.5||≤ 1.2||≤ 0.5|
|Thermal expansion 1000 C||2.30||5.0||6.50||7.8|
|Refractoriness C||≥ 1580||≥1650||≥ 1750||≥ 1850|
|Thermal stability 1100 C--(cold water)times||≥ 70||≥ 20||≥ 10||≥ 5|
|Working temperature||≤ 1250||≤ 1350||≤ 1450||
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