| About |
|---|
| LEXAN™ EX7631T是一种高长波紫外线含量的聚碳酸产品，用作聚碳酸酯薄片挤压的一层帽层。 |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile strain | |||
| Yield, 50 mm/min | 5.4 | % | ISO 527 |
| Fracture, 50 mm/min | 88.1 | % | ISO 527 |
| Tensile modulus | |||
| 5 mm/min | 2490 | MPa | ISO 527 |
| bending strength | |||
| Yield, 1.30 mm/min, 50 mm span | 115 | MPa | ISO 178 |
| Bending modulus | |||
| 1.3 mm/min，50mm跨距 | 2630 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 70 | J/m | ASTM D256 |
| -30℃ | 70 | J/m | ASTM D256 |
| Total energy of instrument impact | |||
| 23℃ | 734 | cm-kgf | ASTM D 3763 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.2 | ASTM D792 | |
| Shrinkage rate | |||
| MD：3.2 mm | 0.96 | % | Internal Method |
| Melt Flow Rate | |||
| 300℃，1.20kg | 10.5 | g/10min | ASTM D1238 |
| Density | 1.2 | g/cm³ | ASTM D1183 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 132 | ℃ | ASTM D1525 |
| Hot deformation temperature | |||
| Unannealed, 3.2 mm | |||
| 0.452MPa | 127 | ℃ | ASTM D 648 |
| 1.8MPa | 116 | ℃ | ASTM D 648 |
| Linear coefficient of thermal expansion | |||
| MD：-40~40℃ | 6.E-05 | 1/℃ | ASTM E831 |
| TD：-40~40℃ | 6.5E-05 | 1/℃ | ASTM E831 |
| Vicat Softening Temp | 135 | ℃ | ISO 306 |
| Process Conditions | |||
|---|---|---|---|
| injection molding | Nominal value | Unit | Test method |
| Drying temperature | 75 – 90 | °C | |
| Drying time | 2 – 4 | hrs | |
| Maximum water content | 0.04 | % | |
| Melt temperature | 180 – 200 | °C | |
| Temperature of barrel zone 1 | 165 | °C | |
| Temperature of barrel zone 2 | 170 | °C | |
| Barrel Zone 3 Temperature | 175 | °C | |
| Temperature of cylinder 4 zone | 180 | °C | |
| Roller temperature – top | 175 – 180 | °C | |
| Roller temperature – middle | 175 – 180 | °C | |
| Roller temperature – bottom | 175 – 180 | °C | |
| Notes |
|---|
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |