| About |
|---|
| LEXAN LUX7169 Polycarbonate resin is an injection moldable grade. It contains non-brominated, non-chlorinated flame retardant systems with UL-94 V0 rating. Designed for high light reflectance and light shielding applications with good UV weathering capability.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Halogen free,Flame Characteristics |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.38 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 22 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 22.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.50 to 0.70 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.35 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.15 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2800 | MPa | ASTM D638 |
| tensile strength | |||
| yield | 60.0 | MPa | |
| fracture | 45.0 | MPa | |
| Tensile strain | |||
| fracture | 11 | % | ASTM D638 |
| Bending modulus | |||
| 50 mm span | 2600 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 85.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 90 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 6.4 mm | 134 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 4.0 mm, 64 mm span | 130 | ℃ | ISO 75-2/Bf |
| 1.8 MPa, unannealed, 6.4 mm | 124 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 4.0 mm, 64 mm span | 115 | ℃ | ISO 75-2/Af |
| 1.8 MPa, annealed, 3.2 mm | 115 | ℃ | ASTM D648 |
| Vicat Softening Temp | |||
| — | 142 | ℃ | ASTM D1525 7 |
| B120 | 143 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 135℃ | 通过 | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| MD：-40~40℃ | 7.5E-5 | 1/℃ | ASTM E831 |
| TD：-40~40℃ | 7.5E-5 | 1/℃ | ASTM E831 |
| TD：-40℃ | 7.5E-5 | 1/℃ | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.90 mm | V-0 | UL 94 |
| 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 | 250 to 270 | °C | |
| Barrel middle temperature | 260 to 280 | °C | |
| Barrel front temperature | 270 to 295 | °C | |
| Nozzle temperature | 265 to 290 | °C | |
| Processing (melt) temperature | 270 to 295 | °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. 80*10*4 mm |
| 6. Rate A (50°C/h), Loading 2 (50 N) |
| 7. Approximate Maximum |
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