
Zys Spindle Spare Parts Ball Bearings 6802ce with Full Ceramic or Hybrid Material
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 resolutely put the protection of consumer interests above all else, improve quality of alumina machinable ceramic sheet 1 32, nutec ceramic fiber modules sds, ceramic fiber cloth 1260, strengthen services, and strive to meet the diversified needs of consumers at different levels. We insist on high-quality development, implement strategic and precise management, and establish core industries. Our company advocates the corporate culture of 'concentrate on manufacturing, excellent quality and wholehearted service' and follows the business philosophy of 'products are always affordable, quality is higher' and always bear in mind that customer satisfaction is our ultimate goal. After years of development, we already have a wealth of industry experience and won universal recognition from customers. We sincerely hope that every employee can get good development in the company and grow together with the enterprise.
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 Zys Spindle Spare Parts Ball Bearings 6802ce with Full Ceramic or Hybrid Material is well-made, with advanced technology, stable performance and easy operation and maintenance. Our company has been adhering to the principle of "quality first, service first and integrity first", winning the trust and praise of customers and becoming a local brand enterprise. We have a consistent spirit of struggle, and an endless spirit of innovation and creative ability.
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