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Zys 608 Full Ceramic Skate Bearing White Ceramic Zro2 Rings with Si3n4 Black Balls 8X22X7 Ball Bearings OEM Brand

Zys 608 Full Ceramic Skate Bearing White Ceramic Zro2 Rings with Si3n4 Black Balls 8X22X7 Ball Bearings OEM Brand

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 goal at becoming certainly one of your most responsible partners and earning your gratification for ceramic fiber blanket thermal conductivity, Ceramic Fiber Blanket, ceramic fiber paper suppliers. Our management is intensive, which is reflected in the quality control at all levels and everyone. Our company uses reactive methods, such as a toll free hotline service to listen to customer feedback. We have a well-known brand portfolio with a high degree of execution in innovation, brand activation and channel expansion.

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.


We have developed capital, cost and people advantages in the Zys 608 Full Ceramic Skate Bearing White Ceramic Zro2 Rings with Si3n4 Black Balls 8X22X7 Ball Bearings OEM Brand industry. We believe that the actual ability and potential of employees in completing their jobs is a more important and fair criterion than education and seniority. Our company has always adhered to the business tenet of 'survive by quality and development by reputation', insist on product innovation, strictly quality control and comprehensively service tracking.

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