• High Temperature Resistant 99 Alumina Ceramic Tube
  • High Temperature Resistant 99 Alumina Ceramic Tube

High Temperature Resistant 99 Alumina Ceramic Tube

Refractoriness (℃): 1770< Refractoriness< 2000
Feature: Long Time Materials
Type: Refractory Material
Shape: Tube
Material: Alumina Cement
Maximum Voltage: <10kv
Customization:
Diamond Member Since 2016

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Basic Info.

Model NO.
RY003
Color
Ivory and White
Transport Package
Wooden Case
Specification
99% Alumina
Trademark
RY
Origin
China
HS Code
8547100000
Production Capacity
100000 Per Month

Product Description

High Temperature Resistant 99 Alumina Ceramic Tubes
High Temperature Resistant 99 Alumina Ceramic Tube


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:
Project Test the condition Unit 99 porcelain 95 porcelain Talc porcelain
Backbone     99%AL2O3 95%AL2O3 MgO.SiO2
Physical property Density of volume Normal atmospheric temperature g/cm3 3.8 3.6 2.8
Airtight Normal atmospheric temperature  . .Pass Pass -
Absorbing water rate Normal atmospheric temperature % 0 0 0
Temperature that frit   °C 1800 1650 1350
Mechanical performance Rockwell hardness Normal atmospheric temperature HRA 88 86 76
Resist the intensity of turning back Normal atmospheric temperature Mpa 350 320 150
Compression strength Normal atmospheric temperature Mpa 1300 1200 900
Hot performance Use temperature at most   °C 1700 1600 1200
Heat resistant shaking 20O°C-1100O°C 10Num Pass Pass Pass
Hot coefficient of expansion 20O°C-80O°C ×10-6mm/°C 6.5-8.5 6.5-8.0 5.0-6.2
Heat-conduction rate 25°C W/m.k 29 25 2.9
300°C W/m.k 18 13 2
Dielectric constant The medium lossing 1MHz2O°C ×10-4 ≤2.5 ≤4 ≤8.0
The angle tangent is worth 1MHz8O°C ×10-4 ≤3.5 ≤4.2 -
Dielectric strength Normal atmospheric temperature KV/mm 15 16 20
Dielectric constant 1MHz2O°C   9-10.5 9-10 ≤7.5
Resistivity of volume 2O°C Ω.cm >1012 >1012 >1013
10O°C Ω.cm 1012-1013 1012-1013 1010-1011
30O°C Ω.cm >1012 3.1×109 5×108
High Temperature Resistant 99 Alumina Ceramic Tube
High Temperature Resistant 99 Alumina Ceramic Tube
High Temperature Resistant 99 Alumina Ceramic Tube
High Temperature Resistant 99 Alumina Ceramic Tube

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