Gold Member Since 2010
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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 Ceramic Tube for Furnace, Manufacture Single Spiral Silicon Carbide Rod, Twisted Tungsten Heating Wire Made in China and so on.

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99.5% Pure Al2O3 Ceramic Tube for Furnace

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

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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

Character:
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

Al2O3

≥99.5%

SiO2

<0.2%

Fe2O3

<0.1%

Alkaline matter

<0.1%

Density

3.9 g/cm3

Vickers Hardness

9

Water absorption

<0.1%

Ruptures trength

>2000kg/cm2

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

20kv/cm

Expansion coefficient

8*10(-8)

Temperature for use

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

Chill and abrupt heat

1600C~room temperature not cracking thrice.

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

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