
High Precision Miniature Size Ceramic Bearing 606 606zz Made in China
Si3N4 Ceramics is a new type of non-metallic ceramic material. It is characterized by high strength at room temperature and high temperature, and the strength of Si3N4 can be maintained at 1200 ℃.
The future of sustainability presents both challenges and opportunities, and our goal is to create innovative solutions with our ceramic fiber modules density, alumina ceramic tile heat resistance, Ceramic Bushing through our operations and supply chain. We always uphold good quality, on this basis, we have a group of experienced professionals. We pay attention to efficiency, improve the management system, improve product quality, and create corporate benefits. We strive to be a person with soul temperature, so that every communication can make each other comfortable and happy with the results, creating a more harmonious working atmosphere.
Product Description
Si3N4 Ceramics is a new type of non-metallic ceramic material. One of the popular product of Si3N4 ceramics is Si3N4 tube. The tubes are mainly used in conjunction with thermocouples to protect them. It allows the thermocouple to operate properly in special environments and to resist high pressures and high flow rates.
Process Method
It uses silicon powder as raw material and is first made into the desired shape using the usual molding method. Initial nitriding is done in nitrogen at 1200°C, so that part of the silicon powder reacts with nitrogen to form silicon nitride. This way the whole body already has some strength. It is then nitrided a second time in a high-temperature furnace at 1350°C to 1450°C to react with the silicon nitride.
Specifications
Thermocouple protection tube: diameter Φ12-80mm, length 600-1800m

Data Sheet
Items | Data |
Sintering method | gas pressure sinter |
Density | >3.2g/cm3 |
Si3N4 content | >92% |
Flexural strength | >750Mpa |
Compressive strength | >1500Mpa |
Thermal conductivity (W/mk) | >22 |
Porosity | 0 |
Thermal expansion coeff. (RT-1000℃) | 3.2 |
Max temperature in air | 1400℃ |
Hardness (HRA) | >92 |
Q&A
1. How long is the service time of Si3N4 ceramics?
It will be different as per your application. The general period is 25-30days.
2. What is the payment terms?
Our payment terms are T/T, L/C or as per your request.
Our High Precision Miniature Size Ceramic Bearing 606 606zz Made in China incorporate many advanced scientific theories and technologies, maintaining a leading position in the industry. The company has won a lot of praise from its partners with high quality, excellent price, fast delivery and good after-sales service. Business partners are spread all over the country. Our corporate team philosophy is, innovation, professionalism, responsibility, integrity, unity, aggressiveness and efficiency.
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