| About |
|---|
| 汽车内饰 ,优化流动/加工过程，以节省成本，内部脱模 |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Internal mold release |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| tensile strength | |||
| Fracture, Type I, 50 mm/min | 56 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, Type I, 50 mm/min | 90 | % | ASTM D638 |
| bending strength | |||
| Yield, 50 mm span | 84 | MPa | ASTM D790 |
| Bending modulus | |||
| 1.3 mm/min，50mm跨距 | 2210 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，6.4mm | 210 | J/m | ASTM D256 |
| 23℃ | 650 | J/m | ASTM D256 |
| -20℃ | 590 | J/m | ASTM D256 |
| -30℃ | 210 | J/m | ASTM D256 |
| Instrument impact energy peak | |||
| 23℃ | 58 | N.m | ASTM D 3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| Unannealed, 6.4 mm | |||
| 1.8 MPa, unannealed, 3.2 mm | 118 | ℃ | ASTM D648 |
| 0.45 MPa | 126 | ℃ | ASTM D 648 |
| 1.8MPa | 123 | ℃ | ASTM D 648 |
| Linear coefficient of thermal expansion | |||
| MD：-40~95℃ | 6.48E-05 | 1/℃ | ASTM E831 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.19 | ASTM D792 | |
| Water absorption rate | |||
| 24hr | 0.16 | % | ASTM D570 |
| Shrinkage rate | 0.5- 0.7 | % | Internal Method |
| Melt Flow Rate | |||
| 300℃，1.20kg | 20 | g/10min | ASTM D1238 |
| Process Conditions | |||
|---|---|---|---|
| injection molding | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 3 – 4 | hrs | |
| Drying time (cumulative) | 10 | hrs | |
| Maximum moisture content | 0.02 | % | |
| Melt temperature | 275 – 300 | °C | |
| Nozzle temperature | 270 – 295 | °C | |
| Front Section Zone 3 Temperature | 275 – 300 | °C | |
| Temperature in Zone 2 of the middle section | 265- 290 | °C | |
| Temperature in Zone 1 of the rear section | 255 – 275 | °C | |
| Mold temperature | 70 – 95 | °C | |
| Back pressure | 0.3 – 0.7 | MPa | |
| Screw speed | 40 – 70 | rpm | |
| Shoot to cylinder size | 40 – 60 | % | |
| Depth of exhaust groove | 0.025 – 0.076 | mm | |
| Notes |
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