
Custom Advanced Ceramic Good Insulating Boron Nitride Bn Ceramic Tube
Alumina ceramic tube is a special corundum ceramic tube made of Al2O3 as the main raw material, rare metal oxide as the flux, and calcined at a high temperature of 1,700.
With a positive and progressive attitude, good management and professional service, we always provide the most rigorous and high-quality difference between 99 alumina ceramic ball and inert ceramic ball, sic thermocouple protection tube, ceramic fiber paper for fancdy feast stove and service to our customers. We have established a diversified and targeted training policy to provide employees with opportunities for self-improvement and self-improvement, so as to ensure the common development of employees and the company. We will further emancipate our minds and invigorate our spirits in order to enhance the spirit of officers and entrepreneurs.
Description
Alumina ceramic tube is a special corundum ceramic tube made of Al2O3 as the main raw material, rare metal oxide as the flux, and calcined at a high temperature of 1,700. It is widely used in various industrial furnace fields, as furnace tube (wire tube, wire winding tube, oxygen blowing tube, etc.), support, threading, insulation and other purposes.
Property
Ceramic tube is mainly based on grouting molding, and there are other molding methods such as extrusion and hot die casting.

Classification
Alumina ceramics are divided into two types: high-purity type and ordinary type.
High-purity alumina ceramics are ceramic materials with an Al2O3 content of more than 99.9%. Because their sintering temperature is as high as 1650-1990 ℃, and the transmission wavelength is 1 to 6 μm, they are generally made into molten glass to replace platinum crucibles; use its light transmission It can be used as a sodium lamp tube, and it can be used as an integrated circuit substrate and high-frequency insulating material in the electronics industry.
Ordinary alumina ceramics are classified into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain and other varieties according to different Al2O3 content. Sometimes those with 80% or 75% Al2O3 content are also classified as ordinary alumina ceramic series. Among them, 99 alumina porcelain is used to make high temperature crucibles, refractory furnace tubes and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve discs; 95 alumina porcelain is mainly used as corrosion-resistant and wear-resistant parts; 85 porcelain Because it is often mixed with some talc to improve the electrical performance and mechanical strength, it can be sealed with metals such as molybdenum, niobium, and tantalum, and some are used as electrical vacuum devices.
Data Sheet of Ceramic Tube
Item | Content (%) |
Al2O3 | 99.3 |
SiO2 | 0.3-0.5 |
CaO+MgO | 0.2-0.3 |
K2O+Na2O | 0.15-0.3 |
Fe2O3 | <0.05 |
Others | <0.05 |
Q&A
1. How about the working temperature?
The working temperature ranges from 1650 to 1700℃
2. What is the Aluminum content?
The aluminum content is 95% or 99%.
Our company regards quality as the life of the enterprise, and in order to provide high-quality and cost-effective products to the customers, we constantly strive to improve the quality of Custom Advanced Ceramic Good Insulating Boron Nitride Bn Ceramic Tube. We are convinced that continuous learning and continuous iteration will benefit employees a lot. Innovation, quality and reliability are the core values of our company.
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