S-Plastics Lexan EXRL0448 resin is High heat specialty polycarbonate. For medical devices and pharmaceutical applications. Healthcare management of change,biocompatible (ISO10993 of USP Class VI). EtO and enhanced steam sterilizable.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 66 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 75 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 7 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 126 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 2170 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 104 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2250 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 66 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 68 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 10 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 161 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 1430 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 95 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2170 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 684 | J/m | ASTM D 256 |
| Izod Impact, notched, -30°C | 144 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 80 | J | ASTM D 3763 |
| Izod Impact, notched 80*10*4 +23°C | 56 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*4 -30°C | 15 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 71 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 158 | °C | ASTM D 1525 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 142 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 6.5E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 6.34E-05 | 1/°C | ASTM E 831 |
| Vicat Softening Temp, Rate B/50 | 158 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 160 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 136 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.2 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.8 - 0.9 | % | S-Plastics Method |
| Melt Flow Rate, 330°C/2.16 kgf | 13.2 | g/10 min | ASTM D 1238 |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.18 | % | ISO 62 |
| Melt Volume Rate, MVR at 330°C/2.16kg | 12 | cm³/10 min | ISO 1133 |
| OPTICAL | Value | Unit | Standard |
| Light Transmission | 85 | % | ASTM D 1003 |
| Haze | 1 | % | ASTM D 1003 |
| Source GMD, last updated:08/23/2007 | |||
| 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 | 340 - 360 | °C |
| Nozzle Temperature | 330 - 355 | °C |
| Front - Zone 3 Temperature | 340 - 360 | °C |
| Middle - Zone 2 Temperature | 325 - 350 | °C |
| Rear - Zone 1 Temperature | 315 - 340 | °C |
| Mold Temperature | 80 - 115 | °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:08/23/2007 | ||
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For more information please download the datesheet |
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S-Plastics Lexan EXRL0448.pdf |
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