Gold Member Since 2016
Hunan Rui Yue Industrial and Trade Co., Ltd.

Ceramic Tubes, Al2O3 Ceramic Tube, Alumina Ceramic Tube manufacturer / supplier in China, offering 99.7% High Purity Al2O3 High Temperature 1800c Ceramic Tubes, High Temperature Alumina Ceramic Crucible, High Purity Corundum Crucible Boat, 99%Al2O3 Ceramic Round Single Bore Alumina Protection Tubes and so on.

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Supplier Homepage Product Alumina Ceramic Products Alumina Ceramic Tube/Rod 99.7% High Purity Al2O3 High Temperature 1800c Ceramic Tubes

99.7% High Purity Al2O3 High Temperature 1800c Ceramic Tubes

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 100000 Per Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: RY004
  • Feature: Long Time Materials
  • Shape: Tube
  • Maximum Voltage: <10kv
  • Trademark: RY
  • Origin: China
  • Refractoriness (℃): 1770< Refractoriness< 2000
  • Type: Refractory Material
  • Material: Alumina Cement
  • Color: Ivory and White
  • Specification: 99% Alumina
  • HS Code: 8547100000
Product Description
99.7% High Purity Al2O3 High Temperature 1800c Ceramic Tubes
High purity ceramic alumina tube parameters:
1.Material : High purity alumina oxide 95%-99%
2.Application: 
   Mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial        furnace of alumina ceramic tube.
  Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout,      military project etc industry of alumina ceramic tube.
3.Good smooth and high strength
4. Diameter from 1mm to 120mm,Length from 100mm to 2000mm, 
   multi bores tubes can be made. 
5. Max working temperature 1800.
6. Out surface can be grinded drilling hole to make tight tolerance and right instillation. 
7.Large quantity in stock makes fast delivery and competitive prices.
8.OEM and ODM are welcomed 

Main performance index about alumina ceramic tube:
ProjectTest the conditionUnit99 porcelain95 porcelainTalc porcelain
Backbone  99%AL2O395%AL2O3MgO.SiO2
Physical propertyDensity of volumeNormal atmospheric temperatureg/cm33.83.62.8
AirtightNormal atmospheric temperature ..PassPass-
Absorbing water rateNormal atmospheric temperature%000
Temperature that frit °C180016501350
Mechanical performanceRockwell hardnessNormal atmospheric temperatureHRA888676
Resist the intensity of turning backNormal atmospheric temperatureMpa350320150
Compression strengthNormal atmospheric temperatureMpa13001200900
Hot performanceUse temperature at most °C170016001200
Heat resistant shaking20O°C-1100O°C10NumPassPassPass
Hot coefficient of expansion20O°C-80O°C×10-6mm/°C6.5-8.56.5-8.05.0-6.2
Heat-conduction rate25°CW/m.k29252.9
300°CW/m.k18132
Dielectric constantThe medium lossing1MHz2O°C×10-4≤2.5≤4≤8.0
The angle tangent is worth1MHz8O°C×10-4≤3.5≤4.2-
Dielectric strengthNormal atmospheric temperatureKV/mm151620
Dielectric constant1MHz2O°C 9-10.59-10≤7.5
Resistivity of volume2O°CΩ.cm>1012>1012>1013
10O°CΩ.cm1012-10131012-10131010-1011
30O°CΩ.cm>10123.1×1095×108
99.7% High Purity Al2O3 High Temperature 1800c Ceramic Tubes
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