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Elexar® EL-8451
| Category: | TPE , Thermoplastic Elastomer |
| Manufacturer: | Teknor Apex Company |
| Trademark: | Elexar® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | ls9Ee8_Elexar-EL-8451.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| Elexar EL-8451 is higher performance, halogen-free thermoplastic elastomer designed for electrical applications requireing flexibility over a wide termperture range. Elexar EL-8451 is a high durometer grade that is UV stablized and RoHS compliant. This grade is UL listed and is suitable for both injection molding and extrusion. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| RoHS Compliance |
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| UL File Number |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.00 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (200°C/5.0 kg) | 19 | g/10 min | ASTM D1238 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 84 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flexural Modulus | 103 | MPa | ASTM D790 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress 1 | ASTM D412 | ||
| 100% strain, 0.508mm 2 | 4.52 | MPa | ASTM D412 |
| 300% strain, 0.508mm 3 | 6.21 | MPa | ASTM D412 |
| Tensile Strength (Yield, 0.508 mm) | 16.9 | MPa | ASTM D412 |
| Tensile Elongation (fracture, 0.508mm) | 650 | % | ASTM D412 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Change in Tensile Strength in Air (136°C, 168 hr) | 4.0 | % | ASTM D573 |
| Change in Ultimate Elongation in Air (136°C, 168 hr) | -8.0 | % | ASTM D573 |
| Change in Tensile Strength (60°C, 168 hr, in IRM 902 Oil) | -5.0 | % | ASTM D471 |
| Change in Ultimate Elongation (60°C, 168 hr, in IRM 902 Oil) | -7.0 | % | ASTM D471 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Continuous Use Temperature | 105 | °C | UL 1581 |
| Brittleness Temperature | < -60.0 | °C | ASTM D746 |
| RTI Elec | 90.0 | °C | UL 746 |
| RTI | 90.0 | °C | UL 746 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity (50°C) | 9.6E+16 | ohms·cm | ASTM D257 |
| Dielectric Strength | 38 | kV/mm | ASTM D149 |
| Dielectric Constant | ASTM D150 | ||
| 1 kHz | 2.36 | ASTM D150 | |
| 1 MHz | 2.37 | ASTM D150 | |
| Dissipation Factor | ASTM D150 | ||
| 1 kHz | 1.0E-4 | ASTM D150 | |
| 1 MHz | 1.2E-3 | ASTM D150 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating (0.810 mm, All Colors) | HB | UL 94 | |
| Oxygen Index | 18 | % | ASTM D2863 |
| Additional Information |
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| 最高连续工作温度，UL-1581:105°C |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Rear Temperature | 199 - 216 | °C | |
| Middle Temperature | 213 - 221 | °C | |
| Front Temperature | 221 - 227 | °C | |
| Nozzle Temperature | 221 - 229 | °C | |
| Processing (Melt) Temp | 221 - 229 | °C | |
| Mold Temperature | 25.0 - 65.6 | °C | |
| Injection Pressure | 1.38 - 6.89 | MPa | |
| Injection Rate | Moderate-Fast | ||
| Back Pressure | 0.172 - 0.345 | MPa | |
| Screw Speed | 50 - 100 | rpm | |
| Cushion | 3.81 - 25.4 | mm |
| Injection instructions |
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| 无需干燥。但如果湿度过大，则将粒料在150°F (65°C)的温度下干燥2-4小时。 |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Cylinder Zone 1 Temp. | 193 - 210 | °C | |
| Cylinder Zone 2 Temp. | 199 - 216 | °C | |
| Cylinder Zone 3 Temp. | 213 - 221 | °C | |
| Cylinder Zone 5 Temp. | 221 - 227 | °C | |
| Die Temperature | 221 - 229 | °C |
| Extrusion instructions |
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| 螺杆转速30 - 100 rpm |
| Note Message | |
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| 1 . | die cut from extruded tapes |
| 2 . | Mouth die C, 510mm/min |
| 3 . | C mold, 510mm/min |
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