Product performance:
| projects | requirements | |||
| ZY-7140 | ZY-7150 | ZY-7160 | ZY-7170 | |
| appearance | Light yellow solid, no obvious mechanical impurities | |||
| density,g/cm3 | 1.13±0.03 | 1.14±0.03 | 1.17±0.03 | 1.21±0.03 |
| hardness,Shore A | 40±3 | 50±3 | 60±3 | 70±3 |
| tensile strength,MPa ≥ | 4.5 | 5 | 5 | 5 |
| elongation,% ≥ | 400 | 250 | 180 | 120 |
| tear strength,kN/m ≥ | 10 | 10 | 8 | 7 |
| shrinking percentage,% | 3.4~3.8 | 3.2~3.6 | 3.1~3.5 | 2.9~3.3 |
| rebound resilience,% ≥ | 42 | 40 | 40 | 35 |
| plasticity | 155±15 | 195±15 | 210±20 | 250±25 |