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Alumina ceramic kiln shelves are designed for high temperature fusion and incineration in an oven or furnace. High alumina kiln shelves is available and the size can be customized.
item no. :
CS-A-42-8Color :
White90% 92% 95% 99.5% 99.7% 99%
Material : Alumina ceramic
Shape : OEM
Size : OEM
1. High Temperature Resistance: Alumina ceramic kiln shelves can withstand very high temperatures without losing their strength or damaging the surface, 1600℃ in long use,1800℃ in short use (Al2O3≥99%).
2. Non-stick Surface: The glazed surface is non-stick, preventing items from sticking to the surface and causing damage during firing.
3. Precision: The flat and uniform surface ensures that items placed on them remain level and stable during firing.
4. Economical: They have a long lifespan, which makes them a cost-effective choice for industrial applications.
5. Versatility: Alumina ceramic kiln shelves come in a variety of sizes and shapes, making them ideal for use in a wide range of kilns and firing applications.
1. Alumina ceramic kiln shelves are heat-resistant, flat, and rigid surfaces used to hold and support ceramics during the firing process.
2. Alumina ceramic kiln shelves are designed to resist warping and bending under stress and can support heavy loads without cracking or breaking.
3. Their smooth surface facilitates easy loading and unloading of ceramics from the kiln.
4. Their superior performance and reliability make them a preferred choice for many ceramic artists and potters.
OEM: All sizes can be customized and can be made into various complex shapes with high dimensional accuracy. Please clearly provide the height, bottom diameter, top diameter, and any special requirements. To speed up the quotation, please provide drawings.
Item | Test Condition | 95% Al2O3 | 99% Al2O3 | 99.5% Al2O3 | ||
Physical properties | Density | g/cm3 | >3.6 | 3.89 | 3.96 | |
Moisture absorption | % | 0 | 0 | 0 | ||
Mechanical properties | ROHS Hardness | ≥85 | ≥89 | ≥89 | ||
Flexural strength | psiX103 | 20℃ | 358 | 550 | 550 | |
Compressive strength | psiX103 | 20℃ | 2068(300) | 2600(377) | 2600(377) | |
Fracture toughness | Mpa.m3/2 | K(l c) | 4.3 | 5.6 | 6 | |
Thermal properties | Maximum use temperature | ℃ | 1450 | 1600 | 1650 | |
Thermal expansion coefficient | 1X10-6/℃ | (25-1000℃) | 7.6 | 7.9 | 8.2 | |
Thermal shock resistance | ℃ | Tc | 250 | 200 | 200 | |
Thermal conductivity | w/mok | 20℃ | 16 | 30 | 30.4 | |
Electrical properties | Volume resistivity | Ohm/cm2 | 100℃ | >1013 | >1014 | >1014 |
Dielectric breakdown strength | KV/mm | 8.7(220) | 8.7(220) | 8.7(220) | ||
Dielectric constant | (E) | 1MHz25℃ | 9 | 9.7 | 9.7 | |
Dielectric constant (100MHz) | (E) | 9.5 |
1. Ceramic production: Alumina ceramic kiln shelves can be used as a base for ceramic production. They provide a stable surface for the ceramic as it goes through the firing process.
2. Jewelry making: Used in the creation of jewelry made from precious metals like gold and silver. They give the materials a flat surface to rest on while being heated and cooled, ensuring that they maintain their shape and texture.
3. Pottery production: Pottery production is another application of alumina ceramic kiln shelves. They are used to support the pottery as it is fired, preventing it from sagging or warping during the firing process.
4. Glass blowing: Used in the production of glass. They can be used to hold the glass in place as it is heated and cooled, ensuring its stability and preventing any deformation during the process.
5. Sculpture making: Used in the production of sculptures made from a wide range of materials. They provide a stable platform for the creation of a sculpture, and can ensure that the sculpture does not warp or deform during the firing process.
6. Polymer clay baking: Used in the creation of polymer clay sculptures.
7. Fused glass: Kiln shelves can also be used in the production of fused glass art. They can provide a stable platform for the glass as it is heated and fused together, ensuring that it does not warp or deform during the process.
Q1. What information should we supply to get a quote?
Please offer the specification of alumina ceramic kiln shelves, such as shape, dimension, quantity, application etc.
Q2. How do I care for my alumina ceramic kiln shelves?
To keep your alumina ceramic kiln shelves in excellent condition, it is recommended to clean them after every use with a soft brush or cloth to remove any residual glaze, clay, or debris. Avoid using harsh chemicals or abrasive cleaners that could damage the surface of the shelves.
Q3. Can I use alumina ceramic kiln shelves with other types of kilns?
Alumina ceramic kiln shelves can be used with various kiln types, including electric, gas, or propane-powered kilns, as long as they are designed to accommodate the specific size and thickness of the shelf.
Q4. How do I determine the appropriate size of alumina ceramic kiln shelves for my kiln?
The size of your alumina ceramic kiln shelves will depend on the inside dimension of your kiln, as well as the thickness and weight of the ceramic pieces you plan to fire. It is important to choose shelves that fit securely inside the kiln and can support the weight of your work.
Q5. How often do I need to replace my alumina ceramic kiln shelves?
With proper care and handling, alumina ceramic kiln shelves can last several years. However, over time, they may become warped or damaged due to repeated use or exposure to high temperatures. It is recommended to inspect your shelves regularly and replace them as needed.
1. First, wipe the alumina ceramic kiln shelves with a damp cloth to remove dust and dirt.
2. Use a soft bristle brush and a mild detergent solution to scrub the alumina ceramic kiln shelves .
3. Wash the alumina ceramic kiln shelves with clean water, and then dry it with a soft cloth.
4. Ensure that the alumina ceramic kiln shelves is dry when used next time.
1. Visual inspection of the alumina ceramic kiln shelves for any signs of damage or irregularities.
2. Measurement the dimensions of the alumina ceramic kiln shelves to check for accuracy.
3. Checking for any pinhole defects in the alumina ceramic kiln shelves.
4. Verification of the material and chemical composition of the alumina ceramic kiln shelves.
1. We supply personalized and customized services to contact your personal needs.
2. We are experienced professionals with a good record of success.
3. We provide superior client service and promptly respond to all inquiries.
4. We provide militant prices and strive to ensure that your funds receive the best value.
5. We use the latest technologies and tools to ensure that your project is completed to the highest standards.
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