Gold Member Since 2010
Audited Supplier
Zhengzhou Shibo Nonferrous Metals Products Co., Ltd.

Al2O3 Ceramic Tube, Alumina Ceramic Tube, 99.5% Alumina Tube manufacturer / supplier in China, offering 99.5% Pure Al2O3 Tube for Furnace, Distinguished ED, Dumbbell, Spiral Shape Sic Rod Heater Element, Sic Heating Element, Zhengzhou Shibo Molybdenum Electrodes with Sophisticated Technology and so on.

(/ )

99.5% Pure Al2O3 Tube for Furnace

FOB Price: US $240 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $240/ Piece
Get Latest Price
Port: Zhengzhou, China
Production Capacity: 1000PCS/Month
Payment Terms: T/T, Western Union

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: Al2O3 tube
  • Feature: Long Time Materials, Instant Materials
  • Shape: Pipe
  • Trademark: SHIBO
  • Specification: OD80*1000mm
  • HS Code: 6903900000
  • Refractoriness (℃): 1770< Refractoriness< 2000
  • Type: Refractory Material
  • Material: 99.5% Al2O3
  • Transport Package: Wooden Cases
  • Origin: China
Product Description

99.5% pure Al2O3 ceramic for tube furnace

1.Smooth surface, excellent Wear-resistantce
2.Long service life.
3.high purity:>=99.5%

4.High Temperature Resistance: 1800C
5. Length:20-3000mm

Be used in thermocouple protection and various furnace, we also can design both open for two ends, and one open, the other closed.

Chemical competent







Alkaline matter



3.9 g/cm3

Vickers Hardness


Water absorption


Ruptures trength


Gas tightness

Kept for ten minutes at negative pressure of 1.3Kpa. 

The pressure drop is less than 0.3Kpa.

Thermal tolerance

Insert the pipe into the furnace at a depth of 20mm. 

Heat to 1600ºC and maintain for 30 minutes.

Alkali tolerance

In the Na2CO3 solution of 2N concentration, boil for 

15 hours with the weight loss not greater than 20mg/dm2.

Volume resistance

>9*10(5) Ω·cm/1600ºC

Breakdown voltage


Expansion coefficient


Temperature for use

Long-time:1700C, short time:1800C

Chill and abrupt heat

1600C~room temperature not cracking thrice.

99.5% Pure Al2O3 Tube for Furnace
99.5% Pure Al2O3 Tube for Furnace
99.5% Pure Al2O3 Tube for Furnace

Send your message to this supplier
Mr. James Qin
To: Mr. James Qin

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now