
Zro2 Si3n4 608 6000 6800 Full/ Hybrid Ceramic Ball Bearing/ Plastic 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 ℃.
We hope that more customers can provide high-quality ceramic fiber blanket 3000 degrees, Ceramic Heating Beads, thermal ceramic fiber blanket and win the trust and praise of customers. We insist on giving equal importance to efficiency and responsibility, and prioritizing service and quality. Our final goal is 'To try the best, To be the Best'. We will continue to fulfill our duties, expand the market with high-quality services, and serve customers with high-quality craftsmanship.
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.
We start from the four major fields of product, economy, environment and society to make the safest, most environmentally friendly and energy-saving quality Zro2 Si3n4 608 6000 6800 Full/ Hybrid Ceramic Ball Bearing/ Plastic Bearing. After several years of hard work, the company has developed rapidly, with sales outlets covering Europe, America, Africa, Southeast Asian countries and many domestic provinces, municipalities and autonomous regions. We are committed to matching the skills of our employees with their positions, enabling them to improve their innovative abilities, and allowing them to communicate more smoothly, then forming an important source of competitive advantage for the company's talent.
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