| About |
|---|
| 620L is a low-density polyethylene resin for extrusion coating applications. This grade is designed for conventional t-die extrusion coating process.&& |
| Product Description | |
|---|---|
| Supplier | HANWHA |
| Generic | LDPE |
| Material Status | Commercial: Active |
| Features | Optical performance,Low shrinkage,Good bond,Low density,Block resin |
| Availabilitys | North America,Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.920 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 3.0 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D638 | ||
| yield | 12.7 | MPa | |
| fracture | 12.7 | MPa | |
| Tensile strain | |||
| fracture | 500 | % | ASTM D638 |
| Bending modulus | 206 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 无断裂 | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -70.0 | ℃ | ASTM D746 |
| Vicat Softening Temp | 87.0 | ℃ | ASTM D1525 1 |
| Melting temperature | 110 | ℃ |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Barrel temperature | 23.0 | °C | |
| Barrel 1 zone temperature | 250 to 330 | °C | |
| Barrel 2 zone temperature | 250 to 330 | °C | |
| Barrel 3 zone temperature | 250 to 330 | °C | |
| Barrel 4 zone temperature | 250 to 330 | °C | |
| Barrel 5 zone temperature | 250 to 330 | °C | |
| Connector temperature | 270 to 350 | °C | |
| Nozzle temperature | 270 to 350 | °C | |
| Notes |
|---|
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