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Description
Specifications
1.Material: alumina ceramic
2.Purpose:used in textile industry
3.RoHS
| Item |
Testing condition |
Unit |
75% al2o3 |
90% al2o3 |
95% al2o3 |
99% al2o3 |
99.5% al2o3 |
zirconia |
steatite |
| Bulk density |
|
g/cm3 |
>3.20 |
>3.40 |
>3.60 |
3.7 |
3.7 |
6 |
≥2.6 |
| Flexural Strength |
|
N/m2×103 |
1.96 |
2.25 |
2.24 |
>2.24 |
>2.74 |
11 |
1.37 |
| Coefficient of linear expansion |
20~800°C |
×10-6/°C |
/ |
6.3~7.3 |
6.5~8.0 |
6.5~8.0 |
6.5~8.0 |
9.5 |
≤8 |
| Permittivity |
1MHz |
|
≤9 |
8.5~9.5 |
9~10 |
9~10.5 |
9~10.5 |
/ |
≤7.5 |
| 10GHz |
|
/ |
/ |
9~10 |
9~10.5 |
/ |
/ |
/ |
| Insertion loss |
1MHz |
×10-6 |
≤10 |
≤8 |
≤4 |
≤2.5 |
≤1.5 |
/ |
≤8.0 |
| 10GHz |
×10-6 |
/ |
/ |
≤10 |
≤6 |
/ |
/ |
/ |
| Bulk density resistance |
100°C |
Ω·Cm |
>1012 |
>1013 |
>1013 |
>1013 |
>1014 |
>1012 |
>1012 |
| Puncture strength |
|
KV/mm |
20 |
15 |
15 |
15 |
/ |
/ |
20 |
| Thermal conductivity |
20°C |
W/m·k |
/ |
16.8 |
25.2 |
25.2 |
29.2 |
3 |
2.9
|
Product Photo
