
High Heat Resistance Ceramic Crucible Alumina Ceramic Melting Crucibles
Alumina ceramic crucible
1.Ceramic material composition:
· 95%--99.99% Alumina (Al2O3) · Silicon Carbide · Silicon Nitride
· TTZ: Magnesia partially stabilized Zirconia (ZrO2)
· YTZP: Yttria partially stabilized Zirconia (ZrO2)
· ZDY: Yttria fully stabilized Zirconia (ZrO2)
...
2.The properties of ceramic:
·Excellent physical & chemical stability ·High temperature
resistance
·Excellent wear & pressure & corrosion& insulation
resistance and thermal conductivity...
Properties | Units | AL2O3 | ZrO2 | SiC | Si3N4 |
Density | g/cm3 | 3.65-3.93 | 5.95-6.0 | 3.12 | 3.23 |
Water absorption | 0 | 0 | 0 | 0 | 0 |
Poission`s ratio | / | 0.21-0.22 | 0.3 | 0.17 | 0.26 |
HV hardness hv | MPa | 1650 | 1300-1365 | 2800 | 1500 |
Flexural strength | MPa | 310 | 950 | 390 | 720 |
Heat conductivity | W/m*k | 26-30 | 2-2.2 | 120 | 25 |
Electrical resistivity | Ω*mm2/m | >1016 | >1015 | >103 | >1013 |
Dielectric constant | / | 9.6 | 29 | 9.66-10.03 | / |
Dielectric strength | KV/mm | 8.7 | 9 | / | / |
Coefficientof thermal expansion | 10-16/k | 7.9-8.5 | 10.5 | 3 | 3.2 |
Modulus of elasticity young`s mod | GPa | 280-340 | 210 | 440 | 300 |
Flexural strength(700℃) | MPa | 230 | 210 | 380 | 450 |
Compressive strength | MPa | 2200 | 2000 | 1800 | 2300 |
Max use temperature | ℃ | 1750 | 1050 | 1550 | 1050 |
Resistance to acid alkaline | / | high | high | high | high |
Thermal shock resistance | T(℃) | 180-220 | 280-350 | 230-260 | / |
Fracture toughness | MPa*m1/2 | 4.2 | 10 | 3.9 | 6.2 |
Tensile strength | MPa | 248 | 250 | / | / |
Manufacturing parameters:
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As a manufacturer of ceramic parts, we offer customization of ceramic for special sizes and shapes.High Precision, Fast Delivery Time, High Composition.
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.