سعر فوب
أحصل على آخر سعر6 ~ 68 USD / Piece ( Negotiable )
|6 Piece Minimum Order
بلد:
China
نموذج رقم:
Boyang005
سعر فوب:
6 ~ 68 USD / Piece ( Negotiable ) أحصل على آخر سعر
الموقع:
China
سعر الحد الأدنى للطلب:
6 per Piece
الحد الأدني للطلب:
6 Piece
تفاصيل التغليف:
wooden cases and pallets
موعد التسليم:
7-15 days after received your deposit
القدرة على التوريد:
10000 Piece per Month
نوع الدفع:
T/T, L/C, Western Union
مجموعة المنتج :
الشخص الذي يمكن الاتصال به 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 |
||
| بلد: | China |
| نموذج رقم: | Boyang005 |
| سعر فوب: | 6 ~ 68 / Piece ( Negotiable ) أحصل على آخر سعر |
| الموقع: | China |
| سعر الحد الأدنى للطلب: | 6 per Piece |
| الحد الأدني للطلب: | 6 Piece |
| تفاصيل التغليف: | wooden cases and pallets |
| موعد التسليم: | 7-15 days after received your deposit |
| القدرة على التوريد: | 10000 Piece per Month |
| نوع الدفع: | T/T, L/C, Western Union |
| مجموعة المنتج : | AL2O3 ceramic tube |
