名称 | 陶瓷垫 | 产品用途 | 单晶炉电极绝缘 |
property |
testing conditions |
units |
value |
color |
白 |
||
appearance |
固 |
||
density |
g/cm3 |
≥3.8 |
|
water absorption |
% |
0 |
|
medium grain size |
μm |
2 |
|
hardness |
loaded 4.9n |
gpa |
≥16.2 |
bending strength |
mpa |
≥343 |
|
coefficient of liner expansion |
20~500℃ |
1×10-6mm/℃ |
6.5~7.5 |
20~800℃ |
6.5~8.2 |
||
thermal conductivity |
20℃ |
w/(m·k) |
≥25.1 |
specific heat |
kj/(kg·k) |
≥0.8 |
|
dielectric strength |
kv/mm |
≥12 |
|
volume resistivity |
20℃ |
ω·cm |
≥1014 |
300℃ |
≥1011 |
||
dielectric constant |
1mhz |
9.5~10.5 |
|
dielectric loss |
1mhz |
≤2×10-4 |
|
surface roughness |
μm |
≤0.2 |
2,规格:76*52*8 82*52*8
3,产地国产