| About |
|---|
| A very wide range of Evoprene™ G compounds is available for applications in all sectors of industry. The range is based on the widely specified SEBS (styrene – ethylene butylene – styrene) and related hydrogenated block copolymers. These polymers are fully saturated, i.e. there are no double bonds present so the resistance to oxidation, ozone and general outdoor weathering is excellent. For extended outdoor use, however, it is important to ensure additional UV stabilization is specified, especially in light colours. Evoprene™ G grades are used in service over a wide temperature range (see notes below) but each component should be fully assessed for temperature resistance before being put into service.&& |
| Product Description | |
|---|---|
| Generic | SEBS |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Good Electrical Properties,Renewable resources,Food contact compliance,Block Copolymer,Inoxidizability,Ozone resistance,Good coloring |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.940 | g/cm³ | ISO 2782 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 3.90 | MPa | ISO 37 |
| 100% strain | 0.800 | MPa | ISO 37 |
| Tensile strain | |||
| fracture | 550 | % | ISO 37 |
| tear strength | 14 | kN/m | ISO 34-1 |
| Compression deformation | ISO 815 | ||
| 22℃，72 hr | 15 | % | ISO 815 |
| 70℃，22 hr | 35 | % | ISO 815 |
| 100℃，22 hr | 59 | % | ISO 815 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 27 | ISO 868 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+15 | ohms·cm | |
| Dielectric strength | 24 to 28 | kV/mm |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| M-S Flow | 1.57 | MPa | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Proposed maximum recycled material ratio | 20 | % | |
| Barrel rear temperature | 170 to 190 | °C | |
| Barrel middle temperature | 170 to 190 | °C | |
| Barrel front temperature | 170 to 190 | °C | |
| Nozzle temperature | 170 to 190 | °C | |
| Processing (melt) temperature | 250 | °C | |
| Mold temperature | 30 to 60 | °C | |
| Injection speed | Fast | ||
| Vent depth | 0.020 to 0.050 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method Ba, Angle (Unnicked) |
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