corundum ceramic tube and protection tube
corundum ceramic tube and protection tube
corundum ceramic tube and protection tube
corundum ceramic tube and protection tube
corundum ceramic tube and protection tube
corundum ceramic tube and protection tube

corundum ceramic tube and protection tube

Negotiable /Piece

Min.Order:50 Pieces

Supply Ability:
1000 Piece / Pieces per Month
Port:
Tianjin
Payment Terms:
T/T L/C D/P D/A Credit Card PayPal

Quick Details View All >

Place of Origin:
Shandong, China
Type:
Ceramic Tubes
Application:
Refractory
Material:
Alumina Ceramic
Model Number:
CERAMIC TUBE
Brand Name:
DKJL

DKJL CO., LTD.

Business Type: Trading Company
Beijing China
Main Products: Refractory products ,insulation products ,ceramic fiber products ,calcium silicate products ,insulating bricks

Product Details

 

 

 

Product Description

 

  

 

Material: Corundum

Use: For thermocouple, interval and insulation between couple wires. For specifications, there are single hole, double holes, four holes and multi-holes. For form, there are round and oval pipes.

 

Features: Great mechanical strength, good resistance to thermal impact, good insulation and high-frequency characteristics under high temperature. Breakdowm voltage and volume resistance and self-reactance are great and thermal expansion coefficient is small.

 

Item

Unit

High corundum

Corundum

High Purity Alumina 

Chemical Composition

Al2O3 

%

99.7

99.3

85

SiO2

%

0.1

 

 

Density

g/cm3

3.95

3.88

3.2

Water absorption

%

0

0.01

0.2

Compressive Strength

Mpa

450

350

200

20Gas tightness

Torr/L.sec

10-11

10-11

10-11

High-temp.bending

mm

1700 0.2

1600 0.2

1400 0.2

High-temp. bonding

 

1700 not

1600 not

1400 not

20-1000         Expansion coefficient

mm.10-6/.m

8.6

8.2

8.2

Thermal conductivity

W/m.k

25

25

25

Breakdown voltage

KV/mm

20

20

15

High-temp. resistance

1000 MΩ

≥0.08

≥0.08

≥0.08

1300 MΩ

≥0.02

≥0.02

≥0.02

20 DC resistance

Ohm/cm

1014

1014

1014

Chill and abrupt heat

 

1550not cracking six times

1550not cracking six times

1300 not cracking thrice

Max. Service Temp.

 

1900

1800

1400

 

 
Packaging & Shipping

Packing: Standard export wooden case

Shipping: By vessel or plane from any Chinese port

 
Our Services

  

 

Provide sample for test before order

Provide competitive price

Arrange prodcution on time

Control product quality and delivery time

Provide finished products and packing photos

Book the earliest and fast vessel

Provide original document and original certificate

After sale serivce

 
Company Information

  

 

DKJL refractories exporting company is one of the most professional suppliers of refractories in China.The main products are refractory bricks,thermal insulation material,heating elements, industrial ceramics and scientific instruments.They are available in various size and shapes.Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.

 
FAQ

  

 

MOQ: 50pcs

Inquiry factors: Working temp, Density, Size, Quantity

Contact person: Ms. Nicole

Skype: nicole_xijuan   Tel: 86-10-13401090766

 

 

  

 

 

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Contact Supplier

Ms. nicole lee export manager Chat Now
Telephone
86-10-62197466-324
Mobile
15901278197
Fax
86-10-62137685
Address
NO.606,HENGRUN CENTER, NO.32 BEISANHUAN WEST ROAD Beijing

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