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LEXAN™ 4251R resin
| Category: | PC+PPC , Polycarbonate + PPC |
| Manufacturer: | SABIC Innovative Plastics |
| Trademark: | LEXAN™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | EML5By_LEXAN-4251R-resin.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| High heat polycarbonate copolymer blend with an excellent balance of heat resistance, processability, and impact strength. Available in a range of opaque colors. |
| General Information | |
|---|---|
| Features |
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| Appearance |
|
| Processing Method |
|
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- | 1.20 | g/cm³ | ASTM D792 |
| -- | 1.10 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (300°C/1.2 kg) | 5.6 | g/10 min | ASTM D1238 |
| Melt Volume-Flow Rate (MVR) (330°C/2.16 kg) | 31.4 | cm³/10min | ISO 1133 |
| Molding Shrinkage - Flow (3.20 mm) | 0.60 to 0.80 | % | Internal Method |
| Water Absorption | ISO 62 | ||
| Saturation, 23°C | 0.24 | % | |
| Equilibrium, 23°C, 50% RH | 0.090 | % |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | |||
| -- 1 | 2180 | MPa | ASTM D638 |
| -- | 2160 | MPa | ISO 527-2/1 |
| Tensile Strength | |||
| Yield 2 | 64.4 | MPa | ASTM D638 |
| Yield | 62.6 | MPa | ISO 527-2/50 |
| Break 3 | 63.7 | MPa | ASTM D638 |
| Break | 59.3 | MPa | ISO 527-2/50 |
| Tensile Elongation | |||
| Yield 4 | 6.7 | % | ASTM D638 |
| Yield | 6.6 | % | ISO 527-2/50 |
| Break 5 | 100 | % | ASTM D638 |
| Break | 96 | % | ISO 527-2/50 |
| Flexural Modulus | |||
| 50.0 mm Span 6 | 2230 | MPa | ASTM D790 |
| -- 7 | 2040 | MPa | ISO 178 |
| Flexural Stress | |||
| -- | 7.50 | MPa | ISO 178 |
| Yield, 50.0 mm Span 8 | 101 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength 9(23°C) | 48 | kJ/m² | ISO 179/1eA |
| Notched Izod Impact | |||
| -30°C | 330 | J/m | ASTM D256 |
| 23°C | 640 | J/m | ASTM D256 |
| -30°C 10 | 21 | kJ/m² | ISO 180/1A |
| 23°C 11 | 44 | kJ/m² | ISO 180/1A |
| Instrumented Dart Impact | ASTM D3763 | ||
| -30°C, Total Energy | 78.1 | J | |
| 23°C, Total Energy | 75.3 | J |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | |||
| 1.8 MPa, Unannealed, 3.20 mm | 136 | °C | ASTM D648 |
| 1.8 MPa, Unannealed, 64.0 mm Span 12 | 135 | °C | ISO 75-2/Af |
| Vicat Softening Temperature | |||
| -- | 156 | °C | ASTM D1525, ISO 306/B50 10 13 |
| -- | 157 | °C | ISO 306/B120 |
| CLTE | ASTM E831, ISO 11359-2 | ||
| Flow : -40 to 40°C | 6.2E-5 | cm/cm/°C | |
| Transverse : -40 to 40°C | 6.7E-5 | cm/cm/°C |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 121 | °C | |
| Drying Time | 3.0 to 4.0 | hr | |
| Drying Time, Maximum | 48 | hr | |
| Suggested Max Moisture | 0.020 | % | |
| Suggested Shot Size | 40 to 60 | % | |
| Rear Temperature | 288 to 310 | °C | |
| Middle Temperature | 299 to 321 | °C | |
| Front Temperature | 310 to 332 | °C | |
| Nozzle Temperature | 304 to 327 | °C | |
| Processing (Melt) Temp | 310 to 332 | °C | |
| Mold Temperature | 82.2 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 |
| Note Message | |
|---|---|
| 1 . | 50 mm/min |
| 2 . | Type I, 50 mm/min |
| 3 . | Type I, 50 mm/min |
| 4 . | Type I, 50 mm/min |
| 5 . | Type I, 50 mm/min |
| 6 . | 1.3 mm/min |
| 7 . | 2.0 mm/min |
| 8 . | 1.3 mm/min |
| 9 . | 80*10*4 sp=62mm |
| 10 . | 80*10*4 |
| 11 . | 80*10*4 |
| 12 . | 80*10*4 mm |
| 13 . | Rate B (120°C/h), Loading 2 (50 N) |
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