| 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 |