| About |
|---|
| LEXAN EXL1182T polycarbonate (PC) siloxane copolymer resin is a UV stabilized, enhanced release transparent injection molding (IM) grade. This resin offers good low temperature (-20 C) ductility in combination with high flow characteristics and excellent processability with opportunities for shorter IM cycle times compared to standard PC resins. LEXAN EXL1182T resin is a UV stabilized, enhanced release product available in transparent and opaque colors and may be an excellent candidate for a broad range of applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,High liquidity,Ductility,Quick molding cycle,Copolymer |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 20 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 19.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.40 to 0.80 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.24 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.090 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 2260 | MPa | ASTM D638 |
| — | 2340 | MPa | ISO 527-1-2 |
| tensile strength | |||
| yield | 58.0 | MPa | ASTM D638 |
| yield | 57.0 | MPa | ISO 527-2/50 |
| fracture | 57.0 | MPa | ASTM D638 |
| fracture | 56.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| yield | 5.7 | % | ASTM D638 |
| yield | 5.4 | % | ISO 527-2/50 |
| fracture | 120 | % | ASTM D638 |
| fracture | 120 | % | ISO 527-2/50 |
| Bending modulus | |||
| 50 mm span | 2240 | MPa | ASTM D790 |
| — | 2140 | MPa | ISO 178 |
| bending strength | |||
| — | 89.0 | MPa | ISO 178 |
| Yield, 50 mm span | 94.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| -30℃ | 17 | kJ/m² | |
| 23℃ | 61 | kJ/m² | |
| Impact strength of cantilever beam notch | |||
| -30℃ | 620 | J/m | ASTM D256 |
| 23℃ | 740 | J/m | ASTM D256 |
| -30℃ | 24 | kJ/m² | ISO 180-1A |
| 23℃ | 47 | kJ/m² | ISO 180-1A |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 74.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 121 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 4.0 mm, 64 mm span | 116 | ℃ | ISO 75-2/Af |
| Vicat Softening Temp | |||
| — | 138 | ℃ | ASTM D1525 10 |
| B120 | 139 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：-40~95℃ | 7.5E-5 | 1/℃ | ASTM E831 |
| MD：23~80℃ | 7.5E-5 | 1/℃ | ISO 11359-2 |
| TD：-40~95℃ | 7.6E-5 | 1/℃ | ASTM E831 |
| TD：23~80℃ | 7.6E-5 | 1/℃ | ISO 11359-2 |
| 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. 80*10*4 sp=62mm |
| 8. 80*10*4 mm |
| 9. Rate A (50°C/h), Loading 1 (10 N) |
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