
High Temperature Advanced Refractory Insulation Multi Bore 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.
The company has advanced testing equipment and scientific management system, and its 608 full ceramic skate bearing zro2 si3n4 vxb, ceramic fiber board for firebox, thermocouple protection tubes have passed the national safety certification. In the past of enterprise development, we have overcome many difficulties and obstacles, shouldered the failures and setbacks again and again, and enabled the enterprise to go through the difficult period of entrepreneurship and achieve today's results. We vigorously advocate the moral concept of "integrity" as its purpose, and guide the majority of employees to rely on credibility to survive and develop. We hope that through our professional level and unremitting efforts, we can constantly meet the requirements of customers. We have developed distinctive style characteristics in the market, including a professional core team, the ability to innovate products, a strong focus on regulation, and a technology-driven business model.
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 mission is to provide quality High Temperature Advanced Refractory Insulation Multi Bore Ceramic Tube and serve the development of society, and we aim to become an influential and competitive company. We will use high-quality quality and reasonable cost price to open up the market with friends at home and abroad, and create success together. Since the establishment of the company, we have been adhering to customer demand as the center, staff service advantages as an important source, products to the company's long-term development as the purpose.
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