Product performance:
| projects | requirements | |||
| ZY-8852 | ZY-8862 | ZY-8872 | ZY-8882 | |
| appearance | Milky white solid, no obvious mechanical impurities | |||
| density,g/cm3 | 1.35±0.05 | 1.40±0.05 | 1.40±0.05 | 1.45±0.05 |
| hardnes,Shore A | 50±3 | 60±3 | 70±3 | 80±3 |
| tensile strength,MPa ≥ | 4.5 | 5 | 5 | 4.5 |
| elongation,% ≥ | 300 | 250 | 120 | 80 |
| tear strength,kN/m ≥ | 10 | 10 | 8 | 7 |
| shrinking percentage,% | 2.6~3.0 | 2.7~3.1 | 2.8~3.2 | 2.9~3.3 |
| rebound resilience,% ≥ | 45 | 42 | 40 | 35 |
| plasticity | 210±15 | 250±20 | 280±25 | 300±25 |