| 项目/Item |
单位/Unit |
标准值/Standard Value |
| A |
B |
C |
| 自由状态 Free State |
硬度Hardness |
Hs |
70~90 |
70~90 |
70~80 |
| 伸长率(**小) Elongation(minimum) |
% |
60 |
60 |
80 |
| 拉伸长度(**小) Tensile(minimum) |
Mpa |
16 |
16 |
16 |
| 压缩率 Compressibility |
% |
50-60 |
50-60 |
60-75 |
| 回弹率 Recovery |
% |
>85 |
>85 |
>70 |
| **变形 Permanent deformation |
% |
<10 |
<10 |
<10 |
| 热空气老化 Hot Air Aging 230℃×24h |
硬度变化(**大) Variation of Hardness (maximum) |
Hs |
—5~+5 |
—5~+5 |
—5~+5 |
| 抗拉强度变化率(**大)Variable rate of tensile strength (maximum) |
% |
-15 |
-15 |
-15 |
| 伸长率变化率(**大) Varibale rate of elongate rate(maximum) |
% |
-20 |
-20 |
-20 |
| 压缩**变形 |
175℃×70h |
% |
≤20 |
≤21 |
≤22 |
| Permanent Compression Deformation |
| 颜色 Color |
|
|
黑(红) Black(Red) |
黑Black |
红Red |
| 推荐使用条件 recommended operating
conditions |
使用温度 Working temperature |
℃ |
—20~+250 |
—20~+200 |
—50~+200 |
| 使用压力 Working pressure |
Mpa |
0~20 |
| 使用介质: |
除元素氟和熔融状态金属钠以外的所有介质 |
| Medium∶ Good for all kinds of work medium except
pure fluorine and molten NA. |