| About |
|---|
| Elexar EL-8730R is a high performance, flame retardant thermoplastic elastomer designed for electrical applications requiring flexibility over a wide termperature range. Elexar EL-8730R is a high durometer grade that is UV stabilized and RoHS compliant. This grade is UL listed and is suitable for both injection molding and extrusion.&& |
| Product Description | |
|---|---|
| Supplier | Teknor Apex |
| Generic | TPE |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good heat aging resistance,Good flexibility,High elastic,Flame Characteristics,Good Tensile Strength,Moderate liquidity,Ozone resistance,Halogenated,Good coloring,V-2,V-0 |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.24 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 13 | g/10min | ASTM D1238 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 0.508 mm | 13.4 | MPa | ASTM D412 |
| 300% strain, 0.508 mm | 6.48 | MPa | ASTM D412 |
| 100% strain, 0.508 mm | 4.55 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 0.508 mm | 620 | % | ASTM D412 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 86 | ASTM D2240 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Continuous use temperature | 105 | ℃ | UL 1581 |
| Embrittlement temperature | -60.0 | ℃ | ASTM D746 |
| Relative temperature index | |||
| Electrical performance | 50.0 | ℃ | UL 746 |
| Strength mechanical performance | 50.0 | ℃ | UL 746 |
| Impact mechanical performance | 50.0 | ℃ | UL 746 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | |||
| 136℃，168 hr | 10 | % | ASTM D573 |
| The rate of change in ultimate elongation in air | |||
| 136℃，168 hr | -4.0 | % | ASTM D573 |
| The rate of change in tensile strength | |||
| 60℃，168 hr，in IRM 902 Oil | -1.0 | % | ASTM D471 |
| Change in Ultimate Elongation（60℃，168 hr，in IRM 902 Oil） | 3.0 | % | ASTM D471 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 50 ℃ | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 39 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 1 kHz | 2.36 | ASTM D150 | |
| 1 MHz | 2.32 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 1 kHz | 1.1E-3 | ASTM D150 | |
| 1 MHz | 1.6E-3 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.50 mm, all colors | V-2 | UL 94 | |
| 1.50 mm, natural color, black, white | V-0 | UL 94 | |
| Extreme oxygen index | 25 | % | ASTM D2863 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Barrel rear temperature | 199 to 216 | °C | |
| Barrel middle temperature | 213 to 221 | °C | |
| Barrel front temperature | 221 to 227 | °C | |
| Nozzle temperature | 221 to 229 | °C | |
| Processing (melt) temperature | 221 to 229 | °C | |
| Mold temperature | 25 to 66 | °C | |
| Injection pressure | 1.38 to 6.89 | MPa | |
| Injection speed | Moderate-Fast | ||
| Back pressure | 0.172 to 0.345 | MPa | |
| Screw speed | 50 to 100 | rpm | |
| Cushion | 3.81 to 25.4 | mm | |
| Barrel 1 zone temperature | 193 to 210 | °C | |
| Barrel 2 zone temperature | 199 to 216 | °C | |
| Barrel 3 zone temperature | 213 to 221 | °C | |
| Barrel 4 zone temperature | 213 to 221 | °C | |
| Barrel 5 zone temperature | 221 to 227 | °C | |
| Nozzle temperature | 221 to 229 | °C | |
| Notes |
|---|
| 1. 105°C 720 hr Sunlight Resistance 60°C Oil Resistance |
| 2. Typical properties: these are not to be construed as specifications. |
| 3. Die C, 20 in/min |
| 4. die cut from extruded tapes |
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