Gold Member Since 2010
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Lianyungang Zhong Ao Aluminium Co., Ltd.

High Temperature 1800c Alumina Ceramic Tube, 99.7% Alumina Ceramic Tubes, Ceramic Tube manufacturer / supplier in China, offering 99.7% Alumina Ceramic Tube with High Temperature 1800c for Tube Furnace, Calcined Alumina Powder, 99%/95% Al2O3 Alumina Textile Ceramic Eyelet Guide and so on.

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Supplier Homepage Product Wear Resistant Ceramic 99.7% Alumina Ceramic Tube with High Temperature 1800c for Tube Furnace

99.7% Alumina Ceramic Tube with High Temperature 1800c for Tube Furnace

FOB Price: US $10 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $10/ Piece
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Production Capacity: 30000 Pieces/ Month
Transport Package: Standard Export Cartons With Zipper Bags and Foam
Payment Terms: L/C, T/T, D/P, Paypal, Western Union

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Basic Info
  • Model NO.: tubes
  • Certification: SGS, ISO
  • Color: White, Light Pinky
  • Trademark: ZALY
  • Origin: China
  • Raw Material Origin: Australia
  • Density: 3.9 ~ 3.92 g/cm3
  • Type: Ceramic Tubes, Alumina Tube
  • Specification: SGS
  • HS Code: 69090000
Product Description
high purity alumina tube 99% service temperature 1800C alumina tube for tube furnace           
Product Description
 
High purity ceramic alumina tube parameters:
1.Material : High purity alumina oxide 95%-99%. 
2.Application: Used for all kinds of electric heating equipment and electric equipment, and textile machinery.
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. 
 
Alumina (Al2O3) has a wide application due to its versatility and low material cost. Alumina possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. Our alumina furnace tubes, alumina thermocouple protection tubes and insulators, and alumina rods are available in a variety of diameters and lengths. Call for any custom production request.
 
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
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