| About |
|---|
| LEXAN ML7689 polycarbonate (PC) siloxane copolymer resin IS a high viscosity injection molding (IM) grade WITH good processability, offering opportunities FOR shorter IM CYCLE times compared TO standard PC resins. This resin offers extreme low temperature (-40 degree C) ductility. LEXAN ML7689resin IS FDA/EU FC compliant available IN OPAQUE colors ONLY AND IS an excellent candidate FOR food contact applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Excellent Processability,High Viscosity,Ductility,Quick molding cycle,Food contact compliance,Copolymer |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.18 | g/cm³ | ASTM D792 |
| — | 1.19 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 6.0 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 6.00 | cm³/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 2050 | MPa | ASTM D638 |
| — | 2150 | MPa | ISO 527-1-2 |
| tensile strength | |||
| yield | 56.0 | MPa | ASTM D638 |
| yield | 57.0 | MPa | ISO 527-2/50 |
| fracture | 50.0 | MPa | ASTM D638 |
| fracture | 60.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| yield | 6.0 | % | ASTM D638 |
| yield | 6.0 | % | ISO 527-2/50 |
| fracture | 100 | % | ASTM D638 |
| fracture | 120 | % | ISO 527-2/50 |
| Bending modulus | |||
| 50 mm span | 2250 | MPa | ASTM D790 |
| — | 2250 | MPa | ISO 178 |
| bending strength | |||
| — | 85.0 | MPa | ISO 178 |
| Yield, 50 mm span | 92.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 850 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 3.2 mm | 139 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 3.2 mm | 124 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 100 mm span | 128 | ℃ | ISO 75-2/Ae |
| Vicat Softening Temp | |||
| B120 | 146 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~80℃ | 7.2E-5 | 1/℃ | |
| TD：23~80℃ | 7.2E-5 | 1/℃ |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Recommended injection volume | 40 to 60 | % | |
| Barrel rear temperature | 270 to 295 | °C | |
| Barrel middle temperature | 280 to 305 | °C | |
| Barrel front temperature | 295 to 315 | °C | |
| Nozzle temperature | 290 to 310 | °C | |
| Processing (melt) temperature | 295 to 315 | °C | |
| Mold temperature | 70 to 95 | °C | |
| Back pressure | 0.300 to 0.700 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Vent depth | 0.025 to 0.076 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. Type I, 2.0 in/min |
| 4. 0.051 in/min |
| 5. 0.079 in/min |
| 6. at Yield |
| 7. 120*10*4 mm |
| 【 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. |