Shengda Ceramic provide all kinds of Alumina Ceramic Engineering Ceramic Thin Substrate/Sheet/Plate/Board.
Product Introduction
Product Overview
Our 99% alumina ceramic rings and spacers are precision-engineered for demanding high-temperature environments, offering exceptional thermal stability, electrical insulation, and mechanical strength for furnace and heating applications. These advanced ceramic components outperform conventional materials with superior hardness, corrosion resistance, and thermal shock performance.
Key Features & Benefits
✔ Ultra-High Temperature Resistance - Stable up to 1750°C (3182°F)
✔ Exceptional Electrical Insulation - Volume resistivity >10¹⁴ Ω·cm at 1000°C
✔ Superior Mechanical Strength - Compressive strength >2200 MPa
✔ Minimal Thermal Expansion - Coefficient of 8.0×10⁻⁶/°C (RT-1000°C)
✔ Chemical Inertness - Resists molten metals, acids, and alkalis
✔ Custom Configurations - Available in any diameter, thickness, and geometry
Critical Industrial Applications
1. Industrial Furnace Systems
Heating element spacers in muffle furnaces
Thermal barrier rings for vacuum furnaces
Insulating supports in sintering furnaces
2. Semiconductor Processing
Wafer boat spacers in diffusion furnaces
Plasma-resistant components for CVD systems
High-purity furnace liners
3. Glass & Ceramic Manufacturing
Forming mandrels for glass tubing
Kiln furniture components
Annealing lehr spacers
4. Energy & Power Generation
Insulating bushings for thermocouples
Heat exchanger components
Burner nozzle insulators
5. Laboratory & Research Equipment
High-temp crucible supports
Tube furnace components
Analytical instrument insulators
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Competitive Advantages
✅ Material Expertise: 20+ years in advanced ceramic manufacturing
✅ Quality Assurance: ISO 9001 certified production
✅ Advanced Testing: Full property verification for every batch
✅ Technical Support: Engineering assistance from design to installation
✅ Global Logistics: Reliable shipping to all industrial markets
Technical Parameters
Production process
Certifications
Our advantage
● Certificates: ISO & SGS
● OEM & ODM: OEM & ODM service is available
● Strict testing procedures :Meeting the requirements of the product design and process, providing reliable testing data.
● Short Delivery time:If less than 1000 pieces, it only takes around 5 days. We also stock some standard-sized products, if you need urgently, we can delivery very soon.
● Best ex-factory price
● Worldwide customers
● Customized according to needs
● Continuous research and development of new products
● Customer service:If you find some quality problem, please contact us, we’ll deal with it as soon as possible.
Packaging and shipping
Our customers have a wide range of processing choices for transportation mode.
Our Main Products
Company Profie
Yixing Shengda Refractory Ceramic Co., Ltd, established in 1995, Yixing, China with an area of 4,000 square meters and fixed assets of over 1 million US dollars, is a professional manufacturer of Steatite Ceramic Parts, Alumina Ceramic Parts, Cordierite Ceramic Parts, Ceramic Band Heater Insulators, Ceramic Terminal Block, Thermostat Ceramic Parts, Zirconia Ceramics Parts, Ceramic Heater Plugs, etc.
Shengda Ceramic equipped with CAD/CAXA/Solidworks software to provide professional OEM & ODM service.
Looking forward to co-operating with the customers from all over the world!
Contact US
Request A Quote Today
Whether is a product enquiry or technical help, please send messager here, our team will respond within 8 hours.
Subject : High Hardness Advanced 99 Alumina Al2o3 Ceramic Ring Spacer for Furnace Heater
Our Partners
If you have any questions or need help, feel free to contact with our team.
Phone
+86 183 5151 6951
Location
Qianluo Village, Dingshu Town, Yixing City, Jiangsu Province, China
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