| 出生地 |
China (Mainland) |
| 牌子的名字 |
HDMF |
| 模式的数量 |
Ordinary type |
| 形状 |
戒指垫 |
| 标准或Nonstandard |
标准 |
1, graphite + metal temperature: -200 850 degrees C Pressure: 0 20MPa 2, asbestos + metal temperature: -200 500 degrees C Pressure: 0 25MPa 3, PTFE + Metal Working temperature: -200 260 degrees C Pressure: 0 10MPa 4, with stainless steel inner and outer ring, standard: European standard American Standard and other standards