
Si3n4 Zro2 Full Ceramic Bearings 1206CE Self-Aligning Ball Bearing 1205 1204 2204 2205 2206 2306 2307 2208
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 ℃.
We are a high-tech enterprise integrating science, industry and trade. We are mainly committed to the research and development, production, sales and service of ceramic fiber tape filament, ceramic beads heat pack, electric hot water heater element products, and one of the core enterprises of the ceramic fiber tape filament, ceramic beads heat pack, electric hot water heater element industrial technology innovation strategic alliance. Thanks to the support and encouragement given by customers for a long time, our company will continue to forge ahead, strive to improve product quality and improve technical content. We use the diverse backgrounds and experiences of our employees as a key strength and are fully engaged in learning and working. In logistics management and environment construction, the company pays great attention to "strengthening humanistic care and improving employment environment", and constantly increases service efforts, so that employees can really feel the warmth of home. The company has a wide range of information acquisition channels and an efficient management team, and has long-term and stable strategic partners.
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 company attaches great importance to new Si3n4 Zro2 Full Ceramic Bearings 1206CE Self-Aligning Ball Bearing 1205 1204 2204 2205 2206 2306 2307 2208 development, collecting the latest industry information and grasping the market dynamics. We always pay attention to and maintain the external image of the enterprise, through rapid and effective public relations and crisis management system, to eliminate the security factors that may endanger the image of the enterprise in the nascent state. Based on the idea of ??honesty, pragmatism and innovation, the company has established long-term cooperative relations with many enterprises through the unremitting efforts of all employees.
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