NY250 Style
Item 项目 |
Value 值 |
||
---|---|---|---|
Density 密度 g/cm3 |
1.8±0.2 |
||
Crosswise tensile strengt横向抗拉强度 Mpa≥ |
11 |
||
Property after steeping in IRM903 oil, 149℃,5h 浸泡903#油 149摄氏度 5小时 |
Crosswise tensile strength 横向抗拉强度 Mpa≥ |
7 |
|
Weight increment rate 增重 %≤ |
30 |
||
Appearance change 外观变化 |
No无 |
||
Property after steeping in fuel oil B, 21℃-30℃,5h 浸泡燃料油B#油 21摄氏度~30摄氏度 5小时 |
Appearance rate 变化率 % |
0-20 |
|
Limpness after immersion oil 浸泡之后变软 |
No无 |
||
Compression rate % 压缩率 |
7-17 |
||
Springback rate %≥ 回弹率 |
45 |
||
Creep relaxation rate %≤ 蠕变松弛 |
45 |
||
Limpness at normal temperature 在正常使用环境中的柔软性 |
Curved for 180° at a pole with a diameter for 12 times thick of sample nominal, the sample cannot be damaged with flaws etc. 在直径为试样公称厚度12倍的圆棒上弯曲180°,试样不得出现裂纹等破坏迹象 |
||
Corrosion against metal 对金属腐蚀 |
No无 |
||
Oil tightness 油密性 |
Medium 压力pressure Mpa |
10 |
|
Sealing requirements密封要求 |
Keeping 30min, no leakag 持续30秒 不漏 |
||
Leakage rate of nitrogen 氮气泄露mL/h·mm≤ |
300 |
||
The highest usage temperature 最高耐温 ℃ |
250 |
||
The maximum usage pressure最高压力 Mpa |
2.5 |
||
Suitable medium适用介质 |
Oii |
||
Remarks: asbestos rubber sheet with a thickness over 3mm, no test on tensile strength. 注意 超过3.0MM的石棉板,不做检测研究 |