Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Max Operating Temperature | 1600°C |
| Chemical Resistance | Excellent |
| Thermal Conductivity | 35 W/mK |
| Density | 3.9 g/cm3 |
| Melting Point | 2,072°C |
| Alumina Content | 95% |
| Maximum Use Temperature | 1700c |
| Size | customized |
| Thermal Expansion Coefficient | 8x10^-6/°C |
| Volume Resistivity | 10^14 Ω·cm |
| Color | White |
| Dimensional Tolerance | ±0.001 mm |
| Application | Industrial Ceramic |
| Shape | Round |
| Water Absorption | 0 |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Max Operating Temperature | 1600°C | Chemical Resistance | Excellent |
| Thermal Conductivity | 35 W/mK | Density | 3.9 g/cm3 |
| Melting Point | 2,072°C | Alumina Content | 95% |
| Maximum Use Temperature | 1700c | Size | customized |
| Thermal Expansion Coefficient | 8x10^-6/°C | Volume Resistivity | 10^14 Ω·cm |
| Color | White | Dimensional Tolerance | ±0.001 mm |
| Application | Industrial Ceramic | Shape | Round |
| Water Absorption | 0 | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | High Temperature Alumina Products ，Corrosion Resistant Alumina Products | ||
Alumina Products Customized For High-Temperature And Corrosion-Resistant Components
Our high-precision alumina ceramic components utilize ultra-pure Al₂O₃ material (≥99.6% purity) specifically engineered for precision instrumentation applications. Featuring nanometer-level surface finish (Ra≤0.05μm) and micron-level dimensional accuracy (±0.005mm), these components meet the most demanding requirements in semiconductor equipment, optical instruments, and medical devices.
Semiconductor Manufacturing: Wafer handling arms, vacuum chamber liners, plasma nozzles
Optical Instrumentation: Laser mirror mounts, spectrometer slit assemblies, interferometer reference platforms
Medical Analysis Equipment: Mass spectrometer ion sources, chromatographic ceramic columns, PCR thermal cycling modules
Scientific Research: UHV flanges, cryogenic experimental platforms, synchrotron radiation optics
Industrial Metrology: CMM probe tips, surface profilometer reference blocks, roundness tester turntables
✦ Ultra-Precision Machining: Profile accuracy ≤0.1μm, angular tolerance ±5 arcseconds
✦ Exceptional Stability: CTE 7.2±0.1×10⁻⁶/℃ (20-100℃)
✦ Ultra-Clean Surface: Metal ion content <1ppm
✦ Functional Customization: Integrated conductive/insulative/antistatic zones
✦ Environmental Resistance: Radiation tolerance >10⁶Gy, outgassing rate <10⁻¹¹Pa·m³/s
| Parameter | Specification |
|---|---|
| Material Purity | Al₂O₃≥99.6% |
| Density | 3.92±0.02g/cm³ |
| Surface Roughness | Ra≤0.05μm |
| Flatness | ≤0.1μm/25mm |
| Vickers Hardness | HV0.5≥1800 |
| Vacuum Tightness | Leak rate <10⁻¹⁰mbar·L/s |
Ultra-Fine Powder Processing: 50nm alumina powder spray granulation
Isostatic Pressing: 200MPa cold isostatic pressing
Atmosphere Sintering: Hydrogen atmosphere sintering at 1700℃
Ultra-Precision Machining: 5-axis slow wire EDM + diamond grinding
Cleanroom Processing: Class 100 ultrasonic cleaning
Full Inspection: White light interferometry + CMM complete dimensional verification
▷ Use dedicated cleanroom tools and ESD gloves during installation
▷ Recommended operating temperature: -60℃ to 450℃
▷ Avoid strong corrosive media (HF, hot phosphoric acid, etc.)
▷ Plasma cleaning recommended every 500 operating hours
▷ Storage conditions: 22±1℃, 45±5% RH
Q: Can you meet ISO-10110 optical surface standards?
A: Capable of λ/20@632.8nm optical flatness
Q: Do you offer conductive ceramic solutions?
A: Customizable surface resistance 10⁴-10¹⁰Ω
Q: Maximum single-piece dimensions?
A: Current capability 300×300×50mm (larger assemblies available)
Q: How is UHV performance guaranteed?
A: Special sintering process achieves lower outgassing than most metals
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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