| About |
|---|
| SEETEC H7550 is designed for the extrusion of continuous filament (CF). This grade is characterized by medium MWD and good processibility from specific additives, with anti-gas fading stabilization. Applications CPP FILM ( General CPP Film / Sealant layer )&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | PP copolymer |
| Material Status | Commercial: Active |
| Features | Good Clarity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.900 | g/cm³ | ASTM D1505 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 7.0 | g/10min | ASTM D1238 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| film thickness | |||
| test | 30 | µm | |
| tensile strength | |||
| yield | 19.6 | MPa | ASTM D638 |
| TD, fracture | 27.5 | MPa | ASTM D882 |
| MD, fracture | 29.4 | MPa | ASTM D882 |
| Tensile strain | |||
| fracture | > 500 | % | ASTM D638 |
| TD, fracture | > 500 | % | ASTM D882 |
| MD, fracture | > 500 | % | ASTM D882 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 120 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 80.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 118 | ℃ | ASTM D1525 3 |
| Melting temperature | 129 | ℃ | DSC |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| gloss | |||
| 45° | 145 | ASTM D2457 | |
| Haze | 1.0 | % | ASTM D1003 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat Seal Temperature | 117 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Bending modulus | 785 | MPa | ASTM D790 |
| friction coefficient | < 1.0 | ASTM D1894 | |
| Rockwell hardness | |||
| R-level | 75 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Barrel 1 zone temperature | 190 | °C | |
| Barrel 2 zone temperature | 220 | °C | |
| Barrel 3 zone temperature | 230 | °C | |
| Connector temperature | 230 | °C | |
| Nozzle temperature | 230 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 1.1 in/min |
| 4. Loading 1 (10 N) |
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