
High Quality Diamond Polished Industry Si3n4 Silicon Nitride Ceramic Beads Grinding Ball
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 key to our success is 'Good Product Quality, Reasonable Value and Efficient Service' for char broil electric smoker heating element, ceramic fiber lagging rope, Silicon Nitride Heater Tubes. Adhering to the path of green development is one of the important manifestations of our social responsibility. We are committed to creating a good environment for each employee, so that each employee's talent can be displayed here, and the simultaneous development of employees and enterprises is our sincere wish. Our company has strong technical force, strong technological innovation ability, and has perfect and advanced processing and testing equipment. The quality we insist on is the priority to meet the real needs of our customers at all times.
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.
The company has established a global marketing network, and the share of high-end customers is among the top in the High Quality Diamond Polished Industry Si3n4 Silicon Nitride Ceramic Beads Grinding Ball industry. If you have good technology alone, you may not be able to do a good job, but also have a serious and responsible attitude. We formulate marketing strategies in line with our own development from three aspects: product, price and promotion, so as to enhance the popularity of the enterprise.
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