| About |
|---|
| LEXAN PK2870 polycarbonate resin, global grade, MVR (300C/1.2kg) 2 cm3/10min, high viscosity, branched, blow molding, high melt strength, high impact resistance, Available in transparent colors only. FDA 21CFR177.1580, European food contact regulation EC Directive 2002/72/EC. Designed to be a candidate for water bottle applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | High impact resistance,High Viscosity,Food contact compliance,Good melt strength,Branched polymer structure |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D792 |
| Density | 1.20 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 2.5 | g/10min | ASTM D1238 |
| Melt Volume Rate | ISO 1133 | ||
| 300℃，1.2 kg | 2.00 | cm³/10min | ISO 1133 |
| 300℃，2.16 kg | 4.00 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.50 to 0.70 | % | Internal Method |
| Water absorption rate | ASTM D570 | ||
| Saturation, 23 ℃ | 0.35 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.15 | % | ISO 62 |
| Equilibrium, 23 ℃ | 0.35 | % | ASTM D570 |
| Equilibrium, 100 ℃ | 0.58 | % | ASTM D570 |
| 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℃ | 150 | J/m | ASTM D256 |
| 23℃ | 750 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 55 | kJ/m² | ISO 180-1A |
| 23℃ | 75 | kJ/m² | ISO 180-1A |
| Impact strength of cantilever beam notch | ASTM D4812 | ||
| -30℃ | No Break | ASTM D4812 | |
| 23℃ | No Break | ASTM D4812 | |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | No Break | ISO 180/1U | |
| 23℃ | No Break | ISO 180/1U | |
| Drop hammer impact | |||
| 23℃ | 170 | J | ASTM D3029 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 64 mm span | 130 | ℃ | ISO 75-2/Af |
| 1.8 MPa, unannealed, 3.2 mm | 130 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 64 mm span | 145 | ℃ | ISO 75-2/Bf |
| 0.45 MPa, unannealed, 3.2 mm | 145 | ℃ | ASTM D648 |
| Vicat Softening Temp | 150 | ℃ | ASTM D1525 10 |
| Vicat Softening Temp | |||
| B50 | 149 | ℃ | ISO 306 |
| B120 | 150 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 125℃ | Pass | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| MD：23~80℃ | 7.0E-5 | 1/℃ | ISO 11359-2 |
| MD：-40~95℃ | 7.0E-5 | 1/℃ | ASTM E831 |
| specific heat | 1250 | J/kg/℃ | ASTM C351 |
| Thermal conductivity coefficient | 0.20 | W/m/K | ASTM C177 |
| Thermal conductivity coefficient | 0.20 | W/m/K | ISO 8302 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.586 | ISO 489 | |
| Transmittance | |||
| 2540 µm | 88.0 | % | ASTM D1003 |
| Haze | |||
| 2540 µm | < 0.80 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2350 | MPa | ASTM D638 |
| Tensile modulus | 2350 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 65.0 | MPa | ASTM D638 |
| fracture | 70.0 | MPa | ISO 527-2/50 |
| yield | 62.0 | MPa | ASTM D638 |
| yield | 65.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | > 70 | % | ASTM D638 |
| fracture | > 70 | % | ISO 527-2/50 |
| yield | 7.0 | % | ASTM D638 |
| yield | 7.0 | % | ISO 527-2/50 |
| Bending modulus | 2300 | MPa | ISO 178 |
| 50 mm span | 2300 | MPa | ASTM D790 |
| bending strength | 95.0 | MPa | ISO 178 |
| bending strength | |||
| Yield, 50 mm span | 93.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 120 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | 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 | 299 to 321 | °C | |
| Barrel middle temperature | 310 to 332 | °C | |
| Barrel front temperature | 321 to 343 | °C | |
| Nozzle temperature | 316 to 338 | °C | |
| Processing (melt) temperature | 321 to 343 | °C | |
| Mold temperature | 82 to 116 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Vent depth | 0.025 to 0.076 | mm | |
| Drying temperature | 116 to 121 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel 1 zone temperature | 260 to 274 | °C | |
| Barrel 2 zone temperature | 260 to 274 | °C | |
| Barrel 3 zone temperature | 260 to 274 | °C | |
| Barrel 4 zone temperature | 260 to 274 | °C | |
| Barrel 5 zone temperature | 260 to 274 | °C | |
| Connector temperature | 260 to 274 | °C | |
| Nozzle temperature | 268 to 279 | °C | |
| 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. Yield |
| 7. 80*10*3 sp=62mm |
| 8. 80*10*3 |
| 9. 80*10*4 mm |
| 10. Rate B (120°C/h), Loading 2 (50 N) |
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