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Full/Hybrid Ceramic Zirconium Silicon Carbide/Nitride Si3n4 Zro2 Double Row Self Aligning Self-Aligning Ball Bearings with PTFE/Peek/Pi Cage/Retainer

Full/Hybrid Ceramic Zirconium Silicon Carbide/Nitride Si3n4 Zro2 Double Row Self Aligning Self-Aligning Ball Bearings with PTFE/Peek/Pi Cage/Retainer

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 ℃.

In order to help domestic users purchase high-quality square braided ceramic fiber rope 5 8 50ft, ceramic element heater instructions, ceramic tile heating pads with limited funds, our company will supply high-quality products at the greatest preferential price. Our company has been adhering to the 'credibility is the foundation of our development, quality is our life, service is our foundation, technology is our premise of the business' philosophy in step by step. The company is market-oriented, technology-driven, innovation as the soul, enterprise scale, modernization, and branding as the goal, "integrity-based, trustworthy and proud" as the business philosophy, and "all for customers, let customers Satisfaction, let customers rest assured" is the service tenet.

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


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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.


Advanced development concepts, excellent management and excellent production management team have enabled our company to grow and improve, and it has become a leading Full/Hybrid Ceramic Zirconium Silicon Carbide/Nitride Si3n4 Zro2 Double Row Self Aligning Self-Aligning Ball Bearings with PTFE/Peek/Pi Cage/Retainer manufacturer in China. We are your reliable partner in the international markets of our products. We strive to shape the corporate culture of creating value with service and achieving dreams with struggle.

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