离岸价格
获取最新报价6 ~ 68 USD / Piece ( Negotiable )
|6 Piece Minimum Order
国家:
China
型号:
Boyang005
离岸价格:
6 ~ 68 USD / Piece ( Negotiable ) 获取最新报价
位置:
China
最小订单价格:
6 per Piece
最小订单:
6 Piece
包装细节:
wooden cases and pallets
交货时间:
7-15 days after received your deposit
供应能力:
10000 Piece per Month
付款方式:
T/T, L/C, Western Union
產品組 :
联系人 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 |
||
| 国家: | China |
| 型号: | Boyang005 |
| 离岸价格: | 6 ~ 68 / Piece ( Negotiable ) 获取最新报价 |
| 位置: | China |
| 最小订单价格: | 6 per Piece |
| 最小订单: | 6 Piece |
| 包装细节: | wooden cases and pallets |
| 交货时间: | 7-15 days after received your deposit |
| 供应能力: | 10000 Piece per Month |
| 付款方式: | T/T, L/C, Western Union |
| 產品組 : | AL2O3 ceramic tube |
