Prix FOB
Obtenir le dernier prix6 ~ 68 / Piece
|6 Piece Minimum Order
Pays:
China
N ° de modèle:
Boyang004
Prix FOB:
6 ~ 68 / Piece Obtenir le dernier prix
Localité:
China
Prix de commande minimale:
6 per Piece
Commande minimale:
6 Piece
Packaging Detail:
wooden cases and pallets
Heure de livraison:
7-15 days after received your deposit
Capacité de Fournir:
10000 Piece per Month
Payment Type:
T/T, L/C, Western Union
Groupe de produits :
Personne àcontacter Mary
Beijing, Beijing
Good performance Ceramic Alumina Tubes,produced by professional manufacture
Alumina is the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina shapes. With an excellent combination of properties and an attractive price, it is no surprise that fine grain technical grade alumina has a very wide range of applications.
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Key Properties
Hard, wear-resistant
Dielectric properties from DC to GHz frequencies
Strong acid and alkali attack at elevated temperatures
Thermal conductivity
Size and shape capability
High strength and stiffness
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 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 |
3.1×1 |
||
| Pays: | China |
| N ° de modèle: | Boyang004 |
| Prix FOB: | 6 ~ 68 / Piece Obtenir le dernier prix |
| Localité: | China |
| Prix de commande minimale: | 6 per Piece |
| Commande minimale: | 6 Piece |
| Packaging Detail: | wooden cases and pallets |
| Heure de livraison: | 7-15 days after received your deposit |
| Capacité de Fournir: | 10000 Piece per Month |
| Payment Type: | T/T, L/C, Western Union |
| Groupe de produits : | AL2O3 ceramic tube |
