产品介绍：
产品说明
一般描述
It is used as an air-tight seal, and prevents contamintion
产品性质
| 物料 | PTFE face blue PTFE/silicone silicone body |
| 特点 | temperature limit 250 ℃ |
| 硬度 | 30 (Durometer: shore A) |
| 包装 | pkg of 100 ea |
| manufacturer/tradename | Chromacol 20-ST101 |
| 外径 | 20 mm |
| 直径× 厚度 | 20 mm × 0.045 in. |
