| Application: | Refractory, Furnace Tube |
|---|---|
| Material: | Alumina Ceramic |
| Type: | Ceramic Tubes |
| Color: | Pink |
| Density: | 3.9g/cm3 |
| Working Temperature: | 1600c |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
|
|
|
|
|
NO. |
Property |
Unit |
Alumina |
|
1 |
Al2O3 |
% |
>99.3 |
|
2 |
SiO2 |
% |
- |
|
3 |
Density |
g/cm3 |
3.88 |
|
4 |
Water absorption |
% |
0.01 |
|
5 |
Cold compressive strength |
MPa |
350 |
|
6 |
20ºC leakage rates |
Torr/L.sec |
<10-11 |
|
7 |
Twisting in high temperature |
mm |
0.2 allowed in 1600ºC |
|
8 |
Bonding in high temperature |
|
not bonded in 1600ºC |
|
9 |
20-1000ºC coefficient ofthermalexpansion |
mm.10-6/ºC.m |
8.2 |
|
10 |
Thermal conductivity |
W/m.k |
25 |
|
11 |
Electric insulation strength |
KV/mm |
20 |
|
12 |
20ºCdirect current insulation resistance |
Ohm/cm |
1014 |
|
13 |
High-temperature insulation resistance |
1000ºC MΩ |
≥0.08 |
|
1300ºC MΩ |
≥0.02 |
||
|
14 |
Thermal shock resistance |
|
4 times not cracked in 1550ºC |
|
15 |
Maximum working temperature |
ºC |
1800 |
|
|
|
|
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}