Gold Member Since 2014
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Shanghai Gongtao Ceramics Co., Ltd.

Aluminum Oxide Bushing, Aluminum Oxide Sleeve, Pythagoras C610 Sealed Ceramic Sleeve manufacturer / supplier in China, offering Al2O3 Alumina Ceramic Thermocouple Protection Sleeves, 50ml 100ml, 500ml Glazed Porcelain Crucible with Lid, Yttria Stabilized Zro2 Zirconia Crucible and so on.

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Supplier Homepage Product Ceramic tube Others Ceramic tube Al2O3 Alumina Ceramic Thermocouple Protection Sleeves

Al2O3 Alumina Ceramic Thermocouple Protection Sleeves

FOB Price: US $1 / Piece
Min. Order: 2 Pieces
Min. Order FOB Price
2 Pieces US $1/ Piece
Get Latest Price
Production Capacity: 500000 PCS Per Year
Transport Package: Plywood Case
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: GT-094
  • Feature: Long Time Materials
  • Shape: Pipe
  • Alumina: Sillimatin 60 C 530, Alsint 99.7 C 799
  • Color: White, Pink Cream
  • Application: High Temperature Resistant, High Wear Resistance
  • Trademark: shangtao
  • Origin: Shanghai, China
  • Refractoriness (℃): Refractoriness> 2000
  • Type: Heat-Resistant Material
  • Material: Alumina
  • Size: Od 8-50
  • End: Oec or Beo
  • Finish: Collar, Slot, Curve
  • Specification: Rohs
  • HS Code: 8547100000
Product Description
Al2O3 Alumina Ceramic Thermocouple Protection Sleeves
Gongtao company mainly produce alumina tubes, rods and various industrial ceramic parts, which are mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace(containig vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.


Sillimatin 60 Type C 530, Alsint 99.7 Type C 799 and Pythagoras Type C 610, all complying with DIN VDE 0335.
The main applications are in the area of thermal processes. Protection tubes, insulators, radiant tubes, support tubes for electric heaters, beams, profiles, incineration aids and special fabrications.
The Impervious Materials are:
Alsint(Re-crystallised Alumina) is rated to 1700oC
Pythagoras(Aluminous Porcelain) is rated to 1400oC
The Porous Material is:
Sillimantin 60 and is rated at 1350oC
Sillimantin has better thermal shock resistance and is used mainly in furnace tubes, however can be used as an outer protection sheath if thermal shock is critical.

Our items are various and exported to many countries. Welcome to contact us!
DimensionOuter dia. mmInner dia.mmLength mmRemark
Item 
Thermocouple protection tube7-1201-11010-2000
If you need others,we can

customize for you.
Insulated tubeSingle hole2-1201-11010-2000
(inner core)Double holes1-100.4-210-2000
 Four holes2-100.5-210-2000

Property of material:
Material85 Al2o390 Al2o395 Al2o399 Al2o3
Al2o385%90%93%99.30%
Fe2o3≤ 1.0≤ 0.5≤ 0.5≤ 0.3
Desnsity: g / cm33.43.53.63.85
Vickers Hardness≥ 8.6≥ 8.899
Water Absorption:%≤ 0.2≤ 0.1≤ 0.085≤ 0.01
Refractoriness:°C1580 °C1600 °C1650 °C1800°C
Flexural Strength:Mpa180200240280

Wear Rate( at room temperature, 

erosion, 100 grinding)%
≤ 3≤ 2.5≤ 1≤ 0.5
 
FeatureApplicationMain usage
1.Great mechanical strength
Electric appliance industry                                     

Automotive industry

1.Heat treatment furnace 

and toughened furnace
2.High softening temperature
3.Good resistance to thermal impact
4.Small thermal expansion coefficient 
Mechanical industry              

Engineer industry 

2.Inner liner tube and heating

 tube in electric furnace
5.Good chill and abrupt heat properties
6. Resistance to acid and alkali corrosion

 
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