High Purity Zirconia Alumina Ceramic Industrial Furnace Tube Heaters Liner for High Temperature Furnace

Material: Alumina, 99% Al2O3
Temperature: High Temperature Resist
Usage: Industry
Transport Package: Standard Export Wooden Cases
Specification: SGS
Trademark: can be customized, also we can do OEM or ODM

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Basic Info.

Model NO.
tube
Origin
China
HS Code
690919000
Production Capacity
3000 Metric Tons/Month

Product Description


high purity zirconia alumina ceramic industrial furnace tube heaters liner for high temperature furnace
Index for 99% corundum ceramic tube:
Twisting strength3160  kg/cm2
Tensile strength23300 kg/ cm2
Bending stength 2520 kg/ cm2
Hardness9
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 temperature1800°C
AL2O3≥99%
Refractoriness2030°C

 
 

Dimension
Outer dia. mmInner dia.mmLength mmRemark
Item 
Thermocouple protection tube7-1201-11010-2000
If you need others,we can
customize for you.

Insulated tube
Single hole2-1201-11010-2000
(inner core)Double holes1-100.4-210-2000

Four holes2-100.5-210-2000

 

Feature
ApplicationMain 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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