6820 6920 6821 6921 6822 6922 6824 Zro2 Si3n4 Full Ceramic Deep Groove Ball Bearing

We will seek cooperation in competition with major ceramic thermocouple protection tubes, perforated ceramic alumina sheet, Ceramic Fiber Cloth companies at home and abroad as well as relevant social parties. Our company attaches importance to the introduction and training of talents to enhance the aftereffect of enterprise development. We attach importance to environmental protection and the development of circular economy.

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

Data Sheet

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 always paid attention to the quality of our 6820 6920 6821 6921 6822 6922 6824 Zro2 Si3n4 Full Ceramic Deep Groove Ball Bearing and the construction of quality management system. We are striving for standardization, internationalization, specialization and large-scale operation. Looking to the future, the company will turn the way and adjust the structure in a more prominent position, with high-end and precision as the direction of product development.

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