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Alumina Furnace Tubes

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US$ 1 - 20 MOQ: 1 Piece
Key Specifications
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Place of Origin:
Shanghai, China
Type:
Ceramic Tubes
Application:
Industrial Ceramic, furnace,glass
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Shanghai Bochuan Silicon Carbon Rod Manufacturing Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
SHANGHAI
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Shanghai, China
Type Ceramic Tubes
Model Number BC-161
Brand Name Bochuan

Specifications

Alumina Furnace Tubes
1.Material: 85 - 99.5% alumina ceramic
2.Purpose:used in various furnace
3.Max Length 2500mm

Alumina Furnace Tubes 

 

Bochuan company specilize in producing various alumina ceramic tubes with different shapes.These tubes can be used as furnace tubes,thermocouple tubes or insulating tubes.We have many stocks in our warehouse.And we can

also accept customised items.

 

Please see the blew information:

 

Material 85 Al2o3 90 Al2o3 95 Al2o3 99 Al2o3
Al2o3 85% 90% 93% 99.30%
Fe2o3 ≤ 1.0 ≤ 0.5 ≤ 0.5 ≤ 0.3
Desnsity: g / cm3 3.4 3.5 3.6 3.85
Vickers Hardness ≥ 8.6 ≥ 8.8 9 9
Water Absorption:% ≤ 0.2 ≤ 0.1 ≤ 0.085 ≤ 0.01
Refractoriness:°C 1580 °C 1600 °C 1650 °C 1800°C
Flexural Strength:Mpa 180 200 240 280
Wear Rate( at room temperature, erosion, 100 grinding)% ≤ 3 ≤ 2.5 ≤ 1 ≤ 0.5

 

Dimension Outer dia. mm Inner dia.mm Length mm Remark
Item 
Thermocouple protection tube 7-120 1-110 10-2000 If you need others,we can customize for you.
Insulated tube Single hole 2-120 1-110 10-2000
(inner core) Double holes 1-10 0.4-2 10-2000
  Four holes 2-10 0.5-2 10-2000

 

Index for 99% corundum ceramic tube:
Twisting strength 3160  kg/cm2
Tensile strength 23300 kg/ cm2
Bending stength  2520 kg/ cm2
Hardness 9
Vol.density >3.8  g/ cm3
Coefficient of linear expansion (room temperature-800°C) 7.75*10-6 /°C
Thermal stability  1300°C-room temperature no rupture for three times(above 50)
1000°C-room temperature no rupture for three times(abov 50)
Puncture voltage (room temperature)>10KV/mm
Vol.resistance (room temperature)>>1014 Ω. Cm
Longtime applying temperature  1600°C
Short time applying temperature 1800°C
AL2O3 ≥99%
Refractoriness 2030°C

 

 

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Shanghai Bochuan Silicon Carbon Rod Manufacturing Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2004
Factory Size
Below 1,000 square meters
Total Employees
51 - 100 People
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