The specification of rubber waterstop | ||
Items | Parameter | |
Hardness (Shore A) | 60 ± 5 | |
Tensile strength (MPa) | ≥ 8 | |
Elongation at break (%) | ≥ 380 | |
Compression set | 70 °C 24 h (%) | ≤ 35 |
23 °C 168 h (%) | ≤ 20 | |
Brittleness temperature (°C) | ≤ -45 | |
Hot-air aging 70 °C × 72 h | Hardness (Shore A) | ≤ +8 |
Tensile strength (N/mm2) | ≥ 10 | |
Elongation change rate (%) | ≤ 20 |