Product Details
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:
| Dimensional accuracy | Up to 0.001mm | Smoothness | Highest possible mirror | Concentricity | Up to 0.003mm | Parallelism | Up to 0.002mm | The inner hole tolerance | The minimum 0.005mm | Straight flute | The narrowest 0.1x100mm | The thickness of the size | Minimum to 0.02mm | The screw thread | Minimum internal thread M2 | Cylindricity | Up to 0.004mm | The linear tolerance | Up to 0.001mm | The smallest aperture | The minimum 0.07mm | Precision process | CNC maching,grinding,lapping | Surface finish | Glazed,polishing or metallized | Visual quality: 1. No cracks, no dark dots, no contamination and sharp edges; 2. Evenly distributed glaze with very smooth surface |
| Additional Information: ·In stock items will typically ship in a few working days. ·Unit price and estimated ship dates will be calculated when the
length and quantity are specified. ·Diameter tolerance ± 3% or ± 0.003" (0.076 mm), Straightness: ≤
0.003"/1.000" cumulative. ·Can be customized Customization: As a manufacturer of ceramic parts, we offer customization of
ceramic special sizes and shapes.High Precision, Fast Delivery
Time, High Composition (with test report).
Lead time: 10-20 working days for the mass with free sample of mass
; Minimum order quantity : 1qty
|
As a manufacturer of ceramic parts, we offer customization of
ceramic for special sizes and shapes.High Precision, Fast Delivery
Time, High Composition.
Company Profile
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.