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

Alumina Ceramic Flanged Bushings, Al2o3 Collar Bush, Collar Ceramic Tubes manufacturer / supplier in China, offering C799, C530, C610 Al2O3 Alumina Ceramic Collar Bushing, 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 C799, C530, C610 Al2O3 Alumina Ceramic Collar Bushing

C799, C530, C610 Al2O3 Alumina Ceramic Collar Bushing

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, Money Gram, Western Union

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Basic Info
  • Model NO.: GT-092
  • 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
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!
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

 






Property of material:
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

 






Feature Application Main 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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