FOB Price
Get Latest Price6 ~ 68 / Piece ( Negotiable )
|6 Piece Minimum Order
Country:
China
Model No:
Boyang005
FOB Price:
6 ~ 68 / Piece ( Negotiable ) Get Latest Price
Place of Origin:
China
Price for Minimum Order:
6 per Piece
Minimum Order Quantity:
6 Piece
Packaging Detail:
wooden cases and pallets
Delivery Time:
7-15 days after received your deposit
Supplying Ability:
10000 Piece per Month
Payment Type:
T/T, L/C, Western Union
Product Group :
Contact Person Mary
Beijing, Beijing
Good performance Ceramic Alumina Tubes for industrial furnace
Alumina Content: *5% to *5%
Special size for customer
Key Properties
1.Hard, wear-resistant
2.Excellent dielectric properties from DC to GHz frequencies
3.Resists strong acid and alkali attack at elevated temperatures
4.Good thermal conductivity
5.Excellent size and shape capability
6.High strength and stiffness
7. Available in purity ranges from *0% to *9.8% for the most demanding high temperature applications.
Application :The alumina tubes are widely used in thermocouple protections and some are used in furnaces.
Technical indicator
|
Project |
Test the condition |
Unit |
*9 porcelain |
*5 porcelain |
|
|
Backbone |
|
|
*9%AL2O3 |
*5%AL2O3 |
|
|
Physical property |
Density of volume |
Normal atmospheric temperature |
g/cm3 |
3.8 |
3.6 |
|
Airtight |
Normal atmospheric temperature |
|
Pass |
Pass |
|
|
Absorbing water rate |
Normal atmospheric temperature |
% |
0 |
0 |
|
|
Temperature that frit |
|
°C |
***0 |
***0 |
|
|
Mechanical performance |
Rockwell hardness |
Normal atmospheric temperature |
HRA |
*8 |
*6 |
|
Resist the intensity of turning back |
Normal atmospheric temperature |
Mpa |
**0 |
**0 |
|
|
Compression strength |
Normal atmospheric temperature |
Mpa |
***0 |
***0 |
|
|
Hot performance |
Use temperature at most |
|
°C |
***0 |
***0 |
|
Heat resistant shaking |
*0O°C****0O°C |
*0Num |
Pass |
Pass |
|
|
Hot coefficient of expansion |
*0O°C**0O°C |
×***6mm/°C |
6.**8.5 |
6.**8.0 |
|
|
Heat-conduction rate |
*5°C |
W/m.k |
*9 |
*5 |
|
|
**0°C |
W/m.k |
*8 |
*3 |
||
|
Dielectric constant |
The medium lossing |
1MHz2O°C |
×***4 |
≤2.5 |
≤4 |
|
The angle tangent is worth |
1MHz8O°C |
×***4 |
≤3.5 |
≤4.2 |
|
|
Dielectric strength |
Normal atmospheric temperature |
KV/mm |
*5 |
*6 |
|
|
Dielectric constant |
1MHz2O°C |
|
***0.5 |
***0 |
|
|
Resistivity of volume |
2O°C |
Ω.cm |
>***2 |
>***2 |
|
|
*0O°C |
Ω.cm |
********3 |
********3 |
||
|
*0O°C |
Ω.cm |
>***2 |
3.1×**9 |
||
| Country: | China |
| Model No: | Boyang005 |
| FOB Price: | 6 ~ 68 / Piece ( Negotiable ) Get Latest Price |
| Place of Origin: | China |
| Price for Minimum Order: | 6 per Piece |
| Minimum Order Quantity: | 6 Piece |
| Packaging Detail: | wooden cases and pallets |
| Delivery Time: | 7-15 days after received your deposit |
| Supplying Ability: | 10000 Piece per Month |
| Payment Type: | T/T, L/C, Western Union |
| Product Group : | AL2O3 ceramic tube |
