| 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 |
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