S-Plastics Lexan EXRL0491 resin is a PC/siloxane copolymer resin with medium flow, excellent low temperature impact and up to 25% post consumer recycle content
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 56 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 58 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 6 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 100 | % | ASTM D 638 |
| Tensile Modulus, 50 mm/min | 2300 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 92 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2250 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 810 | J/m | ASTM D 4812 |
| Izod Impact, notched, -30°C | 720 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 68 | J | ASTM D 3763 |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 139 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 125 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 7.06E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 8.69E-05 | 1/°C | ASTM E 831 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.19 | - | ASTM D 792 |
| Melt Flow Rate, 300°C/1.2 kgf | 10 | g/10 min | ASTM D 1238 |
| Source GMD, last updated:05/20/2008 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 48 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 295 - 315 | °C |
| Nozzle Temperature | 290 - 310 | °C |
| Front - Zone 3 Temperature | 295 - 315 | °C |
| Middle - Zone 2 Temperature | 280 - 305 | °C |
| Rear - Zone 1 Temperature | 270 - 295 | °C |
| Mold Temperature | 70 - 95 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 40 - 70 | rpm |
| Shot to Cylinder Size | 40 - 60 | % |
| Vent Depth | 0.025 - 0.076 | mm |
| Source GMD, last updated:05/20/2008 |
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For more information please download the datesheet |
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S-Plastics Lexan EXRL0491.pdf |
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