| About |
|---|
| Kraton G1657 M is used as a modifier of bitumen or thermoplastics and in compound formulations. It may also find use as an ingredient in formulating adhesives, sealants and coatings. Kraton G1657 MS – supplied as a dusted pellet Kraton G1657 M is a clear, linear triblock copolymer based on styrene and ethylene/butylene with a polystyrene content of 13% . It is supplied from North America in the physical form identified below.&& |
| Product Description | |
|---|---|
| Generic | SEBS |
| Material Status | Commercial: Active |
| Features | Inoxidizability,Copolymer |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.900 | g/cm³ | ASTM D4025 |
| Melt Flow Rate | |||
| 230℃，5.0kg | 22 | g/10min | |
| Antioxidant Additive | 0.030 to 0.10 | % | Internal Method |
| Polystyrene content | 12 to 14 | % | Internal Method |
| Total Extractables | < 1.5 | % | Internal Method |
| Ash Content | |||
| S. Silicon dioxide | 0.020 to 0.12 | % | Internal Method |
| Volatiles | < 1.0 | % | Internal Method |
| Solution viscosity | |||
| 20wt% toluene, 25 ℃ | 1.2 to 1.8 | Pa·s | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw A, 10 seconds, molded | 47 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 23.4 | MPa | ASTM D412 |
| 300% strain | 2.41 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 750 | % | ASTM D412 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Diblock Content | 30.0 | ||
| Dust – O | 0.45 to 0.75 | % | Internal Method |
| Styrene/Rubber ratio | 13/87 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 20%w toluene solution at 25°C |
| 3. Measured on the polymer before hydrogenation. |
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