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Alumina Tube
High purity alumina products can withstand very high temperature under reducing, inert or high vacuum condition. They remain good chemical resistance under high temperature, and have excellent wear and abrasion resistance. Alumina products can withstand up to 1800 oC.
Feature
Alumina purity: 99.6%
Color: Lvory
Sintering temperature: 1810 ℃
Max. working temperature: 1800 ℃
Sag Temp. Unsupported Tube: 1600 ℃
Delivery time: 3-5 days
Chemical Composition(%) |
Al2O3 |
>99.6 |
SiO2 |
<0.1 |
|
Fe2O3 |
<0.05 |
|
R2O |
<0.1 |
Standard size:
To ensure fast delivery time, we have plenty of stock.
OD x ID x Length (mm) | |
28 x 22 x 200-1500mm |
30 x 24 x 200-1500mm |
32 x 26 x 200-1500mm |
35 x 28 x 200-1500mm |
40 x 30 x 200-1500mm |
50 x 40 x 200-1500mm |
60 x 50 x 200-1500mm |
70 x 60 x 200-1500mm |
80 x 70 x 200-1500mm |
90 x 80 x 200-1500mm |
100 x 90 x 200-1500mm |
120 x 110 x 200-1500mm |
Other size can be produced according to customer's requirement.
Note: Alumina products are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate between 150 oC~300 oC/hour is recommended for the first 1-1.5hours, so that the alumina products can be evenly heated to reduce the impact of thermal shock.
Should the alumina tube caters to your requirement, welcome to buy the product with us. As one of the leading manufacturers of various electric furnaces in China, we will also offer you the customized service with cheap price.