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Zhengzhou Electric Equipment Co., Ltd.

China Manufacturer with main products: Muffle Furnace, Dental Lab Furnace, Vacuum Crucible Furnace, Vacuum Tube Furnace, Rotary Tube Furnace, Vertical Tube Furnace, Sic Heating...

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High Alumina Ceramic Furnace Tube

FOB Price: 10.00 - 50.00 USD/Piece
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


High Alumina Ceramic Furnace Tube  

Alumina purity: 99.6%
Color: Lvory
Sintering temperature: 1810 oCli>
Max. working temperature: 1800 oC
Sag Temp. Unsupported Tube: 1600 oC
Electric Furnace Alumina Tube
1, Extreme high temperature stability under reducing, inert and high vacuum condition under high temp. up to 1800C,
 2, Extreme wear and abrasion resistance,
 3, Chemical corrosion resistance under high temperature,
 4, High dielectric properties,
 5, Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity,
 6, Low material cost and custom size available.
 Range of Outside diameter, 3mm to 100mm,
 Range of total Length,       10mm to 1300mm.
Chemical Composition(%)
Standard Sizes:
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.

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