Product Name: 99 Al2O3 Ceramic Tube Porous Alumina Tube Model NO.: RY-CT-0003 Refractoriness (?): 1580< Refractoriness< 1770 Feature: Long Time Materials, Instant Materials Feature: High Temperature Type: Refractory Material Shape: Pipe Material: Alumina Cement Surface Treatment: Polish Firing Temperature: 1550~1680degree Centigrade Item: Alumina Pipe Lined in Steel Pipe Raw Material: 99-99.7% Alumina Ceramic Denisty: 3.6-3.9 Trademark: RY Transport Package: Wooden Case or Wooden Pallet Specification: according customer request Origin: China HS Code: 690919000 Product Description

99 al2o3 Ceramic Tube Porous alumina tube
 

99% al2o3 ceramic tube for high temperature furnace

Aluminium Oxide Ceramic Tube 99% Al2O3 for High Refractoriness Applications

 

Performance For Industrial Ceramic

 

Al2O3 Content(%)	70-75	85	95	99.7
Density (g/cm3)	3.0	3.4	3.7	3.9
Bending Strength (Mpa)	85N/MM2	300	364	450
The coefficient of thermal expansion(200ºC-800ºC)	6	7	7.6	8
Thermal Conductivity(W/(m.R))	17	18	20	35
Dielectric Strength (kv/mm)	9	10	11	12
Working Temperature(long time use)(ºC)	1300	1400	1600	1750
Water Absorption(%)	5	<0.2	<0.25	<0.1-0.2

 

Specifications:

Dimension		Outer dia. mm	Inner dia.mm	Length mm	Remark
Item
Thermocouple protection tube		7-120	1-110	10-2000	If you need others,we can customize for you.
Insulated tube	Single hole	2-120	1-110	10-2000
(inner core)	Double holes	1-10	0.4-2	10-2000
	Four holes	2-10	0.5-2	10-2000

 

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