Product performance:
projects | requirements | |||
ZY-2740 | ZY-2750 | ZY-2760 | ZY-2770 | |
appearance | Milky white solid, no obvious mechanical impurities | |||
density,g/cm3 | 1.15±0.03 | 1.18±0.03 | 1.21±0.03 | 1.24±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 | 165±15 | 205±15 | 245±15 | 285±15 |