| Property | Specification | Typical Value |
| Structure | — | Linear |
| Polystyrene Content，wt% | 36.0～40.0 | 38 |
| Volatile Matter，wt% | ≤1.0 | 0.50 |
| Ash，wt% | ≤0.20 | 0.08 |
| Tensile Strength，Mpa | ≥24.0 | 30 |
| 300% Modulus，Mpa | ≥3.5 | 5.5 |
| Elongation at Break，% | ≥680 | 720 |
| Permanent set after break，% | ≤55 | 40 |
| Hardness,shore A | ≥88 | 92 |
| Melt Flow Rate，g/10min（200℃/5kg） | 0.1～5.0 | 1.6 |
| 25%Solution Viscosity，mPa·s | 800～2000 | 1200 |
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