Info
Items | Special grade | Superior grade | First-grade | odorless | Butyl | EPDM | |
Heating loss% | ≤ | 1.0 | 1.0 | 1.2 | 1.2 | 1.0 | 1.0 |
Ash content% | ≤ | 10 | 10 | 12 | 12 | 10 | 20 |
Acetone extraction% | ≤ | 18 | 22 | 25 | 25 | 15 | 30 |
density(Mg/m3) | ≤ | 1.18 | 1.22 | 1.26 | 1.24 | 1.24 | 1.35 |
Mooney viscosity ML100°C(1+4) | ≤ | 80 | 70 | 80 | 85 | 60 | 65 |
Tensile strength | ≥ | 14.0 | 10.0 | 9.0 | 9.5 | 8.0 | 8.0 |
Clongation at break% | ≥ | 450 | 400 | 360 | 380 | 480 | 360 |