
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
Item and Descriptions | Specifications Offered | ||
Al2O3 (%) | 40~48 | ||
SiO2 (%) | 45~48 | ||
MgO (%) | 5~8 | ||
MOR(MPa) | 20℃ | 14 | |
1250℃ | 12 | ||
Bulk Density(g/cm3) | 2.0 | ||
Open Porosity(%) | 28 | ||
Phase composition(%) | Mullite | 55 | |
Cordierite | 30 | ||
Max. Service temperature ℃ | 1280 |
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.
Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd is located in Yixing, the
Pottery capital of China. Our company is founded in 2006, it is a
professional refractory and ceramic company which cover research,
production, sales and after-sales service. Since establishment, we
adhere to principle of “Technological Innovation, Never Stop”,
continuously improve R&D and production process and equipment.
Moreover, we cooperate with famous university such like Liaoning
University of Science and Technology, Beijing University of Science
and Technology.
Main Products
We mainly manufacture industry furnace refractory material such as
Sic PLATE,Setter plate, Push plate, Pillar,Sagger, Technical
Ceramic, Furnace material and so on. Our product is widely used to
sinter Magnetic Material, Electronic Ceramic, Daily Ceramic, Powder
Metallurgy, Rare Earth Battery Material and so on. Our sandwich
setter plate, electronic ceramic used sagger, Lithium battery
cathode material sintering sagger are very good , and they have
been leader products in our field .
Company Vision
Since our establishment, we insist on “No best , Just Better” , aimed to be the top Supplier of Refractory material and Technical Ceramic in the world.