| About |
|---|
| EPALEX 7581/3 is a thermoplastic rubber modified polypropylene compound. It is a very low flow and low gloss extrusion grade developed for vacuum forming. It has very good tear strength, with good flexibility and excellent wear resistance.&& |
| Product Description | |
|---|---|
| Generic | PP not specified |
| Material Status | Commercial: Active |
| Features | Good flexibility,Low liquidity,Good tear strength,Good wear resistance,Low Gloss |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.898 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 1.8 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.0 mm | 0.70 to 1.1 | % | ASTM D955 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | |||
| 3.00 mm | 82.0 | kN/m | ASTM D624 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| -20℃，3mm | 无断裂 | ||
| 0℃，3mm | 无断裂 | ||
| 23℃，3mm | 无断裂 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 3.0 mm | 42.0 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD：-30~30℃，3.00 mm | 1.0E-4 | 1/℃ | ASTM D696 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 3.00 mm | 47 | ||
| Shore D, 15 seconds, 3.00 mm | 35 | ||
| tensile strength | |||
| 3 mm | 13.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 3 mm | 500 | % | ASTM D638 |
| Bending modulus | |||
| 3 mm | 240 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Proposed maximum recycled material ratio | 10 | % | |
| Drying temperature | 80 | °C | |
| Drying time | 2.0 | hr | |
| Proposed maximum recycled material ratio | 10 | % | |
| Barrel 1 zone temperature | 180 to 240 | °C | |
| Barrel 2 zone temperature | 180 to 240 | °C | |
| Barrel 3 zone temperature | 180 to 240 | °C | |
| Barrel 4 zone temperature | 180 to 240 | °C | |
| Barrel 5 zone temperature | 180 to 240 | °C | |
| Melt temperature | 200 to 220 | °C | |
| Nozzle temperature | 200 to 220 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 20 in/min |
| 3. Die C, 20 in/min |
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