ST6550 Yixing made refractory Cordierite kiln shelf 650*500*18mm
1.Introduction
Cordierite ceramics are well known for their low thermal expansion and refractory character. Although cordierite is available as a powder, when we use the term we are generally talking about ceramic that went into the kiln as ordinary composite of ceramic powders but emerges as a cordierite crystalline matrix (grown by the firing process tuned to its needs).
Cordierite makes the ceramic manufacture of products like catalytic converters possible. They constantly heat up and cool down quickly and must not crack because of the shock. These converters get their thermal shock resistance properties from a bonded matrix of low-expansion cordierite crystals. These crystals form during firing between 1300 to 1400C (interestingly, cordierite crystals have a lesser thermal expansion along one axis than another). Thus, the better the density of the precursor mix and controlled the firing the better the properties of the cordierite material are.
2. Features
A. Weight reduction of approximately 35% - 50%, whilst increasing the load capacity of the batt. For example, a 38mm-thick extruded batt has the same weight as a 23mm-thick pressed batt of the same size, but can bear 5 times the load.
B. Energy Savings. Tests have shown that using extruded batts in a shuttle kiln firing glass panels, fuel consumption can be reduced by between 30% and 70%.
C. Reduced bend at high temperatures. 1200mm long extruded batts supported by silicon carbide beams have shown virtually no bend during use. This is extremely useful where flatness is critical, such as in the firing of glass panels.
D.Their ability to disperse heat is twice that of a solid batt of similar size, allowing them to bear extremes of hot and cold much better, thereby increasing their service life. This makes extruded batts especially suitable for faster firings.
2. Specification
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Item and Descriptions
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Specifications Offered
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Al2O3 (%)
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40~48
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SiO2 (%)
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45~48
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MgO (%)
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5~8
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MOR(MPa)
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20℃
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14
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1250℃
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12
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Bulk Density(g/cm3)
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2.0
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Open Porosity(%)
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28
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Phase composition(%)
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Mullite
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55
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Cordierite
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30
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Max. Service temperature ℃
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1280
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3. Application
Cordierite Kiln shelf is widely used to sinter pottery , ceramic insulator and so on.Using temperature can not be over 1300 ℃
We can also supply SiSic beam.
4. Package
We use Plywood box to pack Cordierite Kiln shelf.
We have professional logistic company, they can deliver to any port in the world and they can offer very good price.
Product Tags:
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White Custom Rectangular Baking Stone Cordierite Kiln Shelf Energy Saving Images
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