Products

Alumina Corundum Thermal Insulation Ceramic Tube

Brand: DuraTec
Product origin: China
Delivery time: around 30 days

Corundum thermal insulation ceramic tube is a type of ceramic tube that is made from corundum, which is a crystalline form of aluminum oxide. The high alumina corundum ceramic tube is a highly durable and heat-resistant material that is used in a variety of applications where high temperatures are involved, such as in furnaces, kilns, and other high-temperature processing equipment.

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■ Introduction：

Corundum thermal insulation ceramic tubes are designed to provide excellent thermal insulation properties, making them ideal for use in high-temperature environments. The corundum insulation ceramic tubes are also highly resistant to thermal shock and can withstand rapid changes in temperature without cracking or breaking.

In addition, the corundum ceramic tubes are chemically inert and have excellent corrosion resistance, making them suitable for use in harsh chemical environments. The alumina ceramic insulation tubes also have a high mechanical strength, which allows them to withstand high pressures and mechanical stresses.

Overall, corundum thermal insulation ceramic tubes are a highly versatile and durable material that is ideal for use in a wide range of high-temperature applications.

high alumina corundum ceramic tube

■ Technical data sheet:

Item	T92^®	T95^®	T993^®
Al₂O₃Content -%	92	95	99.3
Density（g/cm³）	3.6	3.7	3.81
Bending Strength (MPa)	312	304	340
coefficient of linear expansion (×10^-6/℃)（25-800℃）	7.5	7.3	7.6
Thermal conductivity [w/(m.R)]	18	20	34
Insulation strength (KV/mm)	10	10	10
volume resistivity (Ω.cm) 20℃	＞1014	＞1014	＞1014
Using Temperature（℃）	1390	1480	1600
Hardness(Mohs)	8.5	8.8	9
Refractoriness	1920	2000	2030

corundum insulation ceramic tube

■ Advantages:

1. High Temperature Resistance: Corundum thermal insulation ceramic tube has excellent thermal stability and is capable of withstanding high temperatures up to 1800°C.

2. High Strength and Hardness: The high alumina corundum ceramic tube is made from corundum which is one of the hardest materials on earth. This makes it highly resistant to wear and tear.

3. Chemical Resistance: The corundum insulation ceramic tube is highly resistant to chemicals and can withstand exposure to acids, alkalis, and other corrosive substances.

4. Low Thermal Conductivity: The low thermal conductivity of corundum makes it an excellent insulator and helps to reduce heat loss.

5. Lightweight: The corundum ceramic tube are lightweight and easy to handle. This makes them easy to install and reduces the risk of damage during transportation.

6. Longevity: The alumina ceramic insulation tubes have a long service life due to their high strength, hardness, and chemical resistance. They are also resistant to thermal shock, which helps to prevent cracking or other damage.

7. Versatility: Corundum ceramic tubes can be used in a variety of applications including furnace linings, kiln furniture, and thermocouple protection tubes.

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