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2017 New Fidget Spinner Ceramic Bearing Si3n4 608RS 608zz

2017 New Fidget Spinner Ceramic Bearing Si3n4 608RS 608zz

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 produce alumina ceramic grinding ball, ceramic fiber industrial textiles, ceramic coffee mug pipe throughout the world, and we will continue for the new old customer service in line with the practical, high quality, innovation and progress of spirit. From the moment of establishment, we have been committed to creating value for our customers and regard it as the highest service standard. For the specific requirements of different customers, our team is able to fully meet the customer's product needs and manufacturing process, so as to tailor specific for customers. Our company is in line with the 'customer first, quality-oriented' principle, we have established and improved the strict quality standard inspection system.We will solve your worries with sincere service and real quality.

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.


From the beginning of assembling individual parts to presenting a truly complete product, we are committed to creating 2017 New Fidget Spinner Ceramic Bearing Si3n4 608RS 608zz that is generous and durable. Our company spirit is: standardized professionalism, enthusiastic service, sincere cooperation, and group win-win. We break through the traditional design concept and create some special and distinctive products, so as to win the love of consumers.

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