| About |
|---|
| Linear SIS triblock copolymer. Contains <1% diblock copolymer. Medium styrene, medium modulus. VECTOR 4211A and VECTOR 4211N styrenic block copolymers are linear triblock copolymers with narrow molecular weight distributions. They have a higher styrene content and higher modulus than VECTOR 4111A SIS, making them well-suited for use in elastomer compounds, polymer modification applications and pressure sensitive adhesive applications requiring high cohesion. VECTOR 4211A SIS is offered as a dense pellet supplied from the United States. VECTOR 4211N SIS is offered as a porous pellet supplied from China.&& |
| Product Description | |
|---|---|
| Generic | SIS |
| Material Status | Commercial: Active |
| Features | Weight distribution |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.938 | g/cm³ | ASTM D792 |
| Apparent density | 0.33 | g/cm³ | ASTM D1895 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 13 | g/10min | ASTM D1238 |
| Combined with styrene | 30.0 | % | |
| Ash Content | 0.3 | % | |
| Solution viscosity | |||
| 25wt% toluene, 25 ℃ | 300 | mPa·s | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 1 second, molded | 60 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 24.0 | MPa | Internal Method |
| 300% strain | 4.20 | MPa | Internal Method |
| Tensile strain | |||
| fracture | 1000 | % | Internal Method |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Diblock Content | < 1.0 | wt% |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Compression Molded |
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