| About |
|---|
| HSP8344 is a high impact PS/PPE alloy designed for automobile exterior/interior parts.&& |
| Product Description | |
|---|---|
| Supplier | KumhoSunny |
| Generic | PPO(PPE)+PS |
| Material Status | Commercial: Active |
| Features | Good flexibility,High impact resistance,Low or no water absorption,HB |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.04 | g/cm³ | ASTM D792 |
| — | 1.05 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 220℃，10.0kg | 10 to 14 | g/10min | ASTM D1238 |
| 280℃，5.0kg | 10 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD | 0.50 to 0.70 | % | ASTM D955 |
| — | 0.40 to 0.70 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| — | 43.0 | MPa | ASTM D638 |
| — | 45.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 70 | % | ASTM D638 |
| fracture | 82 | % | ISO 527-2/50 |
| Bending modulus | |||
| — | 1820 | MPa | ASTM D790 |
| — | 1920 | MPa | ISO 178 |
| bending strength | |||
| — | 60.0 | MPa | ASTM D790 |
| — | 59.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30℃ | 38 | kJ/m² | ISO 179 |
| 23℃ | 20 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | ISO 179 | ||
| -30℃ | 无断裂 | ISO 179 | |
| 23℃ | 无断裂 | ISO 179 | |
| Impact strength of cantilever beam notch | |||
| 3.2mm | 510 | J/m | ASTM D256 |
| -30℃ | 18 | kJ/m² | ISO 180 |
| 23℃ | 36 | kJ/m² | ISO 180 |
| Notched impact strength of cantilever beam | ISO 180 | ||
| -30℃ | 无断裂 | ISO 180 | |
| 23℃ | 无断裂 | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 120 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 113 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 110 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 120 | ℃ | ASTM D1525 6 |
| B50 | 122 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | ISO 11359-2 | ||
| MD：-40~40℃ | 6.6E-5 | 1/℃ | ISO 11359-2 |
| TD：-40~40℃ | 7.6E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+14 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+14 | ohms·cm | IEC 60093 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 70 to 90 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | < 0.050 | % | |
| Barrel rear temperature | 230 to 250 | °C | |
| Barrel middle temperature | 250 to 270 | °C | |
| Barrel front temperature | 255 to 275 | °C | |
| Nozzle temperature | 260 to 275 | °C | |
| Processing (melt) temperature | 260 | °C | |
| Mold temperature | 60 to 90 | °C | |
| Back pressure | 1.00 to 5.00 | MPa | |
| Screw speed | 30 to 70 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
| 3. 4J |
| 4. 5.5J |
| 5. 120°C/h |
| 6. Rate B (120°C/h) |
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