| About |
|---|
| Radial (SI)n block copolymer. Contains ~78% SI diblock copolymer. Low styrene. VECTOR 4187A styrenic block copolymer is a radial block copolymer with a narrow molecular weight distribution. It is well-suited for use in low viscosity hot melt pressure sensitive adhesive applications requiring excellent adhesion to low energy surfaces, low migration characteristics, and enhanced die-cutting characteristics. VECTOR 4187A (SI) n is offered as a dense pellet supplied from the United States.&& |
| Product Description | |
|---|---|
| Generic | SI |
| Material Status | Commercial: Active |
| Features | Good bond,Weight distribution |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.928 | g/cm³ | ASTM D792 |
| Apparent density | 0.55 | g/cm³ | ASTM D1895 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 13 | g/10min | ASTM D1238 |
| Combined with styrene | 18.0 | % | |
| Ash Content | 0.6 | % | |
| Solution viscosity | |||
| 25wt% toluene, 25 ℃ | 630 | mPa·s | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 1 second, molded | 25 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 3.20 | MPa | Internal Method |
| 300% strain | 0.700 | MPa | Internal Method |
| Tensile strain | |||
| fracture | 1400 | % | Internal Method |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Diblock Content | 78.0 | wt% |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Compression Molded |
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