| About |
|---|
| LEXAN EXL1443T polycarbonate (PC) siloxane copolymer resin is an injection molding grade with FDA and EU food contact compliance. This resin offers excellent low temperature (-30 C) ductility in combination with medium flow characteristics and excellent processability with opportunities for shorter IM cycle times compared to standard PC. LEXAN EXL1443T resin is available in transparent and opaque colors and is an excellent candidate for a broad range of food contact applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Ductility,Quick molding cycle,Food contact compliance,Moderate liquidity,Copolymer,V-2 |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ASTM D792 |
| Density | 1.19 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 10 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 9.50 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD：3.2 mm | 0.40 to 0.80 | % | Internal Method |
| MD：3.2 mm | 0.40 to 0.80 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.12 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.093 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 50 | kJ/m² | ISO 179/1eA |
| 23℃ | 70 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -30℃ | 800 | J/m | ASTM D256 |
| 23℃ | 890 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 45 | kJ/m² | ISO 180-1A |
| 23℃ | 65 | kJ/m² | ISO 180-1A |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | No Break | ISO 180/1U | |
| 23℃ | No Break | ISO 180/1U | |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| -30℃，Total Energy | 85.0 | J | ASTM D3763 |
| 23℃，Total Energy | 82.4 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 64 mm span | 119 | ℃ | ISO 75-2/Af |
| 1.8 MPa, unannealed, 3.2 mm | 124 | ℃ | ASTM D648 |
| Vicat Softening Temp | 141 | ℃ | ASTM D1525 10 |
| Vicat Softening Temp | |||
| B50 | 141 | ℃ | ISO 306 |
| B120 | 142 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 125℃ | Pass | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| TD：23~80℃ | 7.9E-5 | 1/℃ | ISO 11359-2 |
| TD：-40~95℃ | 7.9E-5 | 1/℃ | ASTM E831 |
| MD：23~80℃ | 7.2E-5 | 1/℃ | ISO 11359-2 |
| MD：-40~95℃ | 7.2E-5 | 1/℃ | ASTM E831 |
| Relative temperature index | |||
| Electrical performance | 130 | ℃ | UL 746 |
| Strength mechanical performance | 130 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | ASTM D257 |
| Volume resistivity | > 1.0E+15 | ohms·cm | ASTM D257 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 2.50 mm | V-2 | UL 94 | |
| 3.00 mm | V-2 | UL 94 | |
| Glowing wire flammability index | |||
| 3.0 mm | 960 | ℃ | IEC 60695-2-12 |
| Igniting temperature of the hot wire | IEC 60695-2-13 | ||
| 0.8 mm | 825 | ℃ | IEC 60695-2-13 |
| 3 mm | 825 | ℃ | IEC 60695-2-13 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 2540 µm | 82.0 | % | ASTM D1003 |
| Haze | |||
| 2540 µm | 3.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2220 | MPa | ASTM D638 |
| Tensile modulus | 2350 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 61.5 | MPa | ISO 527-2/50 |
| fracture | 64.1 | MPa | ASTM D638 |
| yield | 57.9 | MPa | ISO 527-2/50 |
| yield | 58.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 130 | % | ASTM D638 |
| fracture | 120 | % | ISO 527-2/50 |
| yield | 5.5 | % | ISO 527-2/50 |
| yield | 5.8 | % | ASTM D638 |
| Bending modulus | 2150 | MPa | ISO 178 |
| 50 mm span | 2220 | MPa | ASTM D790 |
| bending strength | 90.2 | MPa | ISO 178 |
| bending strength | |||
| Yield, 50 mm span | 94.3 | MPa | ASTM D790 |
| Rockwell hardness | |||
| Level L | 90 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Drying time, maximum | 48 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Recommended injection volume | 40 to 60 | % | |
| Barrel rear temperature | 217 to 293 | °C | |
| Barrel middle temperature | 282 to 304 | °C | |
| Barrel front temperature | 293 to 316 | °C | |
| Nozzle temperature | 288 to 310 | °C | |
| Processing (melt) temperature | 293 to 316 | °C | |
| Mold temperature | 71 to 93 | °C | |
| Back pressure | 0.345 to 0.689 | 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*3 sp=62mm |
| 8. 80*10*3 mm |
| 9. 80*10*4 mm |
| 10. Rate A (50°C/h), Loading 1 (10 N) |
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