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Dentist Mobile Phone Handpiece Dental Bearing Sr144tlzn

Dentist Mobile Phone Handpiece Dental Bearing Sr144tlzn

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 endeavor to enhance the added value of our high alumina ceramic balls, ceramic fiber paper gasket, si3n4 hybrid ceramic bearing and strive to improve and extend the industrial chain. With strong production capacity and excellent product quality, our company has created considerable economic and social benefits. We provide comprehensive quality assurance awareness and professional skills training for all positions. Scientific management, high-quality products and satisfactory service are our development 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.


We will continue to create high-quality products for industry users under the guidance of our business philosophy, make unremitting efforts for the development of Dentist Mobile Phone Handpiece Dental Bearing Sr144tlzn industry, and continue to strive to help customers achieve more profits. Our company has a sound production management system, strong technical force, and has independent intellectual property rights, is your best choice for cooperation. Our company has many years of international and domestic marketing experience and knowledge.

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