| Property | Specification | Typical Value |
| Structure | — | Radial |
| Polystyrene Content,wt% | — | 30 |
| Volatile Matter,wt% | ≤0.7 | 0.45 |
| Ash,wt% | ≤0.20 | 0.08 |
| Tensile Strength,Mpa | ≥16.0 | 23 |
| 300% Modulus,Mpa | — | 3.2 |
| Elongation at Break,% | ≥600 | 690 |
| Hardness,shore A | ≥78 | 82 |
| Melt Flow Rate,g/10min(200℃/5kg) | <1.0 | 0.28 |