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

Alumina Ceramics Rod, Al2O3 Rod, Alumina Ceramics Pipe manufacturer / supplier in China, offering Insulation Tube, High Purity Alumina Ceramics Rod, 1800c Laboratory High Temperature Al2O3 Ceramic Alumina Crucibles and so on.

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Insulation Tube

FOB Price: US $0.1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $0.1/ Piece
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Port: Shanghai, China
Production Capacity: 50000 PCS/Year
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: GT-0260
  • Surface Treatment: Polished
  • Alloy: Non-alloy
  • Trademark: SHANGTAO
  • Specification: RoHS
  • HS Code: 8547100000
  • Shape: Round
  • Grade: 1000 Series
  • Temper: No Need
  • Transport Package: Plywood Case
  • Origin: Shanghai
Product Description
Provide customers a comprehensive purchasing platform of industrial and electric heat ceramic products


ongtao 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!
 
Specification:
DimensionOuter dia. mmInner dia.mmLength mmRemark
Item 
Thermocouple protection tube7-1201-11010-2000If 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
 
Other information:
FeatureApplicationMain usage
1.Great mechanical strengthElectric 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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