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() Variation of Hardness (maximum) | Hs | —5~+5 | —5~+5 | —5~+5 |
抗拉强度变化率()Variable rate of tensile strength (maximum) | % | -15 | -15 | -15 |
伸长率变化率() 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. |