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

Al2O3 Tube, High Alumina Ker-710 Tubes, Ker-530 Ceramic Tube manufacturer / supplier in China, offering High Purity Alumina Tube (Both ends open), C799 Al2O3 Alumina Ceramic Tube for Furnace Processing, High Pure 95% Al2O3 Ceramic Disk for Heating Support and so on.

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Supplier Homepage Product Ceramic tube Others Ceramic tube High Purity Alumina Tube (Both ends open)

High Purity Alumina Tube (Both ends open)

FOB Price: US $1 / Piece
Min. Order: 2 Pieces
Min. Order FOB Price
2 Pieces US $1/ Piece
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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-003
  • Feature: Long Time Materials
  • Shape: Pipe
  • Alumina: Sillimatin 60 Type C 530, Alsint 99.7 C 799,
  • Color: White, Pink Cream
  • Application: High Temperature Resistant, High Wear Resistance
  • Trademark: shangtao
  • Origin: Shanghai, China
  • Refractoriness (℃): 1770< 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.

Our items are various and exported to many countries. Welcome to contact us!

High Purity Alumina Tube (Both ends open)
High Purity Alumina Tube (Both ends open)
High Purity Alumina Tube (Both ends open)
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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