| About |
|---|
| Dryflex A thermoplastic elastomer (TPE) bondable grades, primarily based on SBS and SEBS, increase freedom of design and open up a vast range of application opportunities. It used to be a complex and costly affair producing details made of thermoplastics that showed soft-touch qualities or had integrated seals. With Dryflex A TPEs, since the materials are bonded together at the production stage, no separate primer or adhesive is needed. This makes the process faster and more cost-effective than if the two parts were assembled together after each had been produced separately, or bonded mechanically, which often requires some modification to the design. Primarily a TPE is used as the soft component. Dryflex A bondable grades can be co-extruded or overmoulded with a variety of engineering plastics. Dryflex A grades are available in black or natural and can easily be coloured. These thermoplastic elastomers form excellent bonds onto PP, PE, PA, ABS, PC, PS, PMMA, ASA, SAN and their blends. Polyamides and ABS may be either reinforced or non-reinforced yet still bond extremely well to Dryflex. It is easy to achieve excellent bonding to PP, even using standard TPE materials, while other thermoplastics require some modification of the TPE material to optimise bonding.&& |
| Product Description | |
|---|---|
| Generic | SEBS |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Food contact compliance,Solvent resistance,Agglomerability |
| Availabilitys | Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.06 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 8.0 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 4.00 mm | 60 | ASTM D2240 | |
| tensile strength | ASTM D638 | ||
| — | 5.00 | MPa | ASTM D638 |
| 100% strain | 2.20 | MPa | ASTM D638 |
| 300% strain | 3.50 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 600 | % | ASTM D638 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 28.0 | kN/m | ASTM D624 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Operating temperature | -50 to 125 | ℃ |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Peeling force | Cohesive | ASTM D903 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Barrel rear temperature | 220 to 240 | °C | |
| Barrel middle temperature | 220 to 240 | °C | |
| Barrel front temperature | 220 to 240 | °C | |
| Mold temperature | 60 | °C | |
| Barrel 1 zone temperature | 220 to 240 | °C | |
| Barrel 2 zone temperature | 220 to 240 | °C | |
| Barrel 3 zone temperature | 220 to 240 | °C | |
| Barrel 4 zone temperature | 220 to 240 | °C | |
| Barrel 5 zone temperature | 220 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Tests conducted on overmoulded test specimens, 2.5mm thick with a 90° peel angle |
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