| About |
|---|
| Telcar TL-8452 is a high performance, halogen-free thermoplastic elastomer designed for electrical applications requiring flexibility over a wide temperature range. Telcar TL-8452 is a high durometer grade that is UV stablized and RoHS compliant. This grade 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,Good Hardness,Halogen free,Low to No Fogging,Good Tensile Strength,Moderate liquidity,Ozone resistance,Good coloring,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.998 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 19 | g/10min | ASTM D1238 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 0.508 mm | 17.2 | MPa | ASTM D412 |
| 300% strain, 0.508 mm | 5.86 | MPa | ASTM D412 |
| 100% strain, 0.508 mm | 4.14 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 0.508 mm | 700 | % | ASTM D412 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 82 | ASTM D2240 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Continuous use temperature | 105 | ℃ | ASTM D794 |
| Embrittlement temperature | -60.0 | ℃ | ASTM D746 |
| Relative temperature index | |||
| Electrical performance | 50.0 | ℃ | UL 746 |
| Strength 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 | -6.0 | % | ASTM D573 |
| The rate of change in ultimate elongation in air | |||
| 136℃，168 hr | -23 | % | ASTM D573 |
| The rate of change in tensile strength | |||
| 60℃，168 hr，in IRM 902 Oil | -5.0 | % | ASTM D471 |
| Change in Ultimate Elongation（60℃，168 hr，in IRM 902 Oil） | -2.0 | % | ASTM D471 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 50 ℃ | 9.6E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 42 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 kHz | 2.10 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.8 mm，All Colors | HB | UL 94 | |
| Extreme oxygen index | 18 | % | 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. Typical properties: these are not to be construed as specifications. |
| 2. Die C, 20 in/min |
| 3. die cut from extruded tapes |
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