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Nylon Cage Hybrid Ceramic Si3n4 Ball Bearing Open Type 636-2RS

Nylon Cage Hybrid Ceramic Si3n4 Ball Bearing Open Type 636-2RS

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 quality of our thin alumina ceramic plates, ceramic insulator bushing spacers, nitride bonded silicon carbide thermocouple tubes is as good as or even superior to other manufacturers, while our prices are not as high as theirs. We have always adhered to the business tenet of integrity, quality, efficiency and excellence, and insisted on meeting the needs of the market with quality products and preferential prices. We continue to learn and introduce advanced production technology and technology, mature technology, create high-quality products.

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.


In order to increase our visibility, we need to increase our promotional efforts, but most importantly, we need to focus on quality of Nylon Cage Hybrid Ceramic Si3n4 Ball Bearing Open Type 636-2RS. With the expansion of scale, the product quality is becoming more and more excellent and the variety is becoming more and more abundant. In today's dynamic and highly competitive market, speed and decisiveness are the key to our strategic success.

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