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SIS is a clear, linear triblock copolymer based on styrene and isoprene, with a polystyrene content of 15%.
| Properties | Target Values(Spec Limits) |
| Polystyrene content（Wt%） | 13-17 |
| Melt Flow rate（g/10min） | 8.0-12.0 |
| Tensile Strangth（Mpa） | ≥12 |
| Elongnation at break(%) | ≥1050 |
| Solution Viscosity(MaP.s) | 1300-1700 |
| Volatile Matter（Wt%） | ≤0.70 |
| Ash（Wt%） | ≤0.2 |
| Properties | arget Values(Spec Limits) |
| Mn g/mol | 110000 |
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