| About |
|---|
| Polifil ® GFRMPPCC series compounds are high impact polypropylenes reinforced with chemically coupled glass fibers. This combination provides higher impact strength while retaining high stiffness. These compounds are used in appliances, electrical components, automotive and utility products. Standard processing techniques are applicable. Use this information as a guide to aid you in selecting the proper resin for your application. TPG will custom compound and fine-tune our formulations for your application.&& |
| Product Description | |
|---|---|
| Generic | PP homopolymerization |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High impact resistance,Chemical coupling,Impact copolymer |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.13 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，2.16kg | 4.0 to 10 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.35 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 160 | J/m | ASTM D256 |
| Drop hammer impact | |||
| 23℃，12.7 mm | 0.904 | J | ASTM D3029 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 141 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 149 | ℃ | ASTM D648 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 3410 | MPa | ASTM D638 |
| tensile strength | |||
| 23℃ | 68.9 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 4.0 | % | ASTM D638 |
| Yield, 23 ℃ | 3.0 | % | ASTM D638 |
| Bending modulus | |||
| Tangent, 23 ℃ | 3860 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 83.4 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 92 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 82 to 104 | °C | |
| Drying time | 1.0 to 2.0 | hr | |
| Barrel rear temperature | 210 to 221 | °C | |
| Barrel middle temperature | 216 to 227 | °C | |
| Barrel front temperature | 227 to 238 | °C | |
| Nozzle temperature | 227 to 249 | °C | |
| Processing (melt) temperature | 232 to 260 | °C | |
| Mold temperature | 49 to 66 | °C | |
| Injection speed | Fast | ||
| Back pressure | 0.172 to 0.517 | MPa | |
| Screw speed | 30 to 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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