
China Ceramic Reel Bearings Manufacture ABEC9 Si3n4 Fishing Rod Reel Hybrid Ceramic Ball Bearing
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 ℃.
Our perfect management system and rich production experience make our heat treatment ceramic pads, ceramic fiber paper tape, delta ceramic fiber modules have excellent quality. To form a model enterprise with environmentally friendly, low-carbon, and circular production chain. We advocate effective communication, mutual help and mutual growth, and continue to promote people-oriented management, so that employees can enjoy the fruits of corporate development and achieve a win-win situation for both the enterprise and the employees.
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 adheres to the business philosophy of 'continuous improvement, comprehensive innovation, people-oriented, and co-creating value', and strives to build the company into a world-class manufacturer of China Ceramic Reel Bearings Manufacture ABEC9 Si3n4 Fishing Rod Reel Hybrid Ceramic Ball Bearing. We are committed to become an excellent industrial group and work hard for the Chinese manufacturing industry to match and even surpass the world. We have professional R & D personnel, production personnel and after-sales service personnel to provide reliable technical support and service guarantee for the company's products.
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