| Name | Fluoro rubber compound | Model | ALD-FL-70B |
| Testing Environment | Temperature 25°C; Humidity 75% |
| Quality testing index |
| One-stage vulcanization condition：170℃*10min Two-stage vulcanization condition: 230℃*12h | |
| Regular Testing | Unit | Required value | Measured value | Testing party | Note |
| Hardness | Shore A | 70±5 | 70 | ASTM2000 D2240 | |
| Tensile strength | MPa | ≥6 | 11.6 | ASTM2000 D412 | |
| Tear strength | KN/m | ≥10 | 27 | ASTM2000 D412 | |
| Elongation at break | % | ≥160 | 254 | ASTM2000 D412 | |
| Pression set 200 ℃*22h | % | ≤25 | 11 | ASTM2000 D395 | |
| 230℃×70h hot air aging |
| Hardness change | （%），maximum | +10 | +1 | ASTM2000 D537 | |
| Change rate of breaking strength | （%），maximum | -20 | -2 | ASTM2000 D537 | |
| Elongation change rate | （%），maximum | -20 | -8 | ASTM2000 D537 | |
| 150℃×70h |
| Hardness change | （%），maximum | -5 | +1 | ASTM2000 D471 | |
| Volume change rate | （%） | 0～+5 | 0 | ASTM2000 D471 | |
| 150℃×70h Resistant to 3# standard oil |
| Hardness change | （%），maximum | -5 | +1 | ASTM2000 D471 | |
| volume change rate | （%） | 0～+15 | +2 | ASTM2000 D471 | |
