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Customized Heat Insulation Precision Zirconia Ceramics Tubes Supplier

Customized Heat Insulation Precision Zirconia Ceramics Tubes Supplier

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.

In the use of products, it can help customers to select the appropriate round ceramic heating element, ceramic fiber paper insulation, alumina machinable ceramic sheet, and provide technical support for after-sales service. On the basis of technological innovation and quality leading, we adhere to the reputation for life. We are permanently aware that our innovative ideas and products come from our employees, who are our most important asset. Our environmental policy is to care for the environment, beautify the space, save energy and reduce consumption, and clean production. We will sincerely carry out more extensive cooperation and exchanges with you with the ever-changing technology, supplemented by the professionalism of respecting customers.

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.

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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%.


To provide customers with high-quality, high-performance Customized Heat Insulation Precision Zirconia Ceramics Tubes Supplier, we win the trust and support of the majority of new and old customers with high standard technology and considerate service. The company is committed to bringing high-quality products and sincere service to every consumer. We have extensive exchanges and cooperation with all walks of life, so that technology and equipment always meet the needs of the rapidly changing market, and in the same industry in a leading position.

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