
High heat resistance refractory porous alumina ceramic disc for sale
1. Description
Alumina is the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina shapes. With an excellent combination of properties and an attractive price, it is no surprise that fine grain technical grade alumina has a very wide range of applications.
This alumina ceramic heating disc is used for heating in high temperature kiln, it can work at 1300℃.Many heating tube will go through the plate and bind together.
Item | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | |
Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 |
Water absorption | % | 0 | 0 | 0 | |
Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 |
Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 | |
Elastic modulus | Gpa | 120 | 280 | 320 | |
Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | |
Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.9 | 7.1 | 7.2 |
Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | |
Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | |
Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 |
Dielectric loss angle | *10-4 | 18 | 15 | 5 | |
Dielectric strength | *106V/m | 18 | 12 | 15 |
3. Our Advantage
1. We will supply with the best price in 24 hours.
2. We will supply with all information to u ,about package, weight,
3. High Presion per special request
4. We can communicate with u by Fluently and professional Enlish .
5. For all products u buy, Our product's warranty is for 2 years. For product problem, u can contact with us any time.
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.