Product Overview
Our 95% alumina ceramic tubes and rods with helicoil inserts represent the pinnacle of precision ceramic engineering, combining exceptional mechanical properties, thermal stability, and customizable threading solutions for mission-critical applications. These advanced ceramic components are ideal where high wear resistance, electrical insulation, and chemical inertness are paramount.
Key Features & Benefits
✔ Integrated Metal Threading - Helicoil inserts for durable fastening
✔ Superior Wear Resistance - Mohs hardness of 9 for long service life
✔ High-Temperature Stability - Operating range up to 1500°C (2732°F)
✔ Custom Configurations - Wide range of diameters, lengths, and thread types
✔ Chemical Immunity - Resists acids, alkalis, and corrosive environments
Critical Industrial Applications
1. Semiconductor Manufacturing
Wafer handling arms with precision threading
Vacuum chamber components requiring electrical isolation
Plasma etch equipment needing chemical resistance
2. Chemical Processing
Corrosion-resistant sensor housings
Reactor thermowells with secure mounting
Pump shafts for aggressive fluids
3. Medical Equipment
Sterilizable instrument components
MRI-compatible structural parts
Dental handpiece assemblies
4. Energy Systems
Fuel cell stack components
High-voltage insulator bushings
Thermocouple protection tubes
5. Automation & Robotics
Precision guide rods for cleanroom robots
Wear-resistant actuator components
Electrical isolation spacers
Competitive Advantages
✅ Material Expertise - 15+ years in precision ceramic engineering
✅ Application Support - Engineering consultation available
✅ Rapid Prototyping - Quick-turn sample development
✅ Global Logistics - Reliable international shipping
Properties | Units | Steatite Ceramic | Cordierite Ceramic | Mullite Ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic | Silicon Nitride |
Colour | White | Yellow | White | White | Ivory | White | Grey | |
Density | g/cm3 | 2.7 | 1.9 | 2.6 | 3.5 | 3.85 | 6 | 3.2 |
Flexural Strength | Mpa | 140 | 30 | 120 | 280 | 340 | 1150 | 600 |
Compressive Strength | MPa | 900 | 350 | 500 | 2100 | 2200 | 2500 | 2500 |
Max Use Temperature | °C | 1000 | 1200 | 1300 | 1400 | 1650 | 1500 | 1800 |
Thermal Condutivity | W(m.K) | 2~3 | 1.3~1.8 | 2~6 | 16~28 | 19~30 | 2.5 | 20 |
Thermal Expansion Cofficient | 10-6/°C | 7 ~ 9 | 1.5~3.5 | 5~6 | 6.5~7.5 | 6~8 | 8~10 | 3~4 |
ThermalShock Resistance | △TC | 100 | 300 | 150 | 140 | 150 | 250 | 600 |
Specific Heat | J/kg.K | 850 | 800 | 900 | 950 | 950 | 500 | 500 |
Dielectric Strength | KV/mm | 20 | — | 30 | 12 | 10 | 5 | 20 |
Dielectric Constant | Er | 6 | — | 8 | 9 | 9 | 12 | 6 |
Product Advantages
● 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.
Our customers have a wide range of processing choices for transportation mode.
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!
