Sabic Lexan EXRL0722 resin is Optical quality, high purity PC resin for CD/DVD and BD applications at short cycle times
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 60 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 60 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 6 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | >40 | % | ASTM D 638 |
| Tensile Modulus, 50 mm/min | 2350 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 90 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2300 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 60 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 45 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 6 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | >40 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2350 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 90 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2300 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched 80*10*3 +23°C | NB | kJ/m² | ISO 180/1U |
| Izod Impact, unnotched 80*10*3 -30°C | NB | kJ/m² | ISO 180/1U |
| Izod Impact, notched 80*10*3 +23°C | 15 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*3 -30°C | 12 | kJ/m² | ISO 180/1A |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 138 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 132 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 122 | °C | ASTM D 648 |
| CTE, -40°C to 95°C, flow | 7.E-05 | 1/°C | ASTM E 831 |
| Thermal Conductivity | 0.2 | W/m-°C | ASTM C 177 |
| Thermal Conductivity | 0.2 | W/m-°C | ISO 8302 |
| CTE, 23°C to 80°C, flow | 7.E-05 | 1/°C | ISO 11359-2 |
| Ball Pressure Test, 125°C +/- 2°C | PASSES | - | IEC 60695-10-2 |
| Vicat Softening Temp, Rate B/50 | 138 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 140 | °C | ISO 306 |
| HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm | 132 | °C | ISO 75/Bf |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 122 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.2 | - | ASTM D 792 |
| Water Absorption, equilibrium, 23C | 0.35 | % | ASTM D 570 |
| Mold Shrinkage on Tensile Bar, flow (2) (5) | 0.5 - 0.7 | % | SABIC Method |
| Melt Flow Rate, 250°C/1.2 kgf | 10 | g/10 min | ASTM D 1238 |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.35 | % | ISO 62 |
| Melt Volume Rate, MVR at 250°C/1.2 kg | 9 | cm³/10 min | ISO 1133 |
| OPTICAL | Value | Unit | Standard |
| Light Transmission, 2.54 mm | >90 | % | ASTM D 1003 |
| Haze, 2.54 mm | <0.7 | % | ASTM D 1003 |
| Refractive Index | 1.586 | - | ISO 489 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | >1.E+15 | Ohm-cm | IEC 60093 |
| Relative Permittivity, 1 MHz | 3 | - | IEC 60250 |
| Dissipation Factor, 1 MHz | 0.01 | - | IEC 60250 |
| Source GMD, last updated:2010/05/17 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 4 - 6 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 340 - 370 | °C |
| Nozzle Temperature | 340 - 370 | °C |
| Front - Zone 3 Temperature | 350 - 380 | °C |
| Middle - Zone 2 Temperature | 320 - 340 | °C |
| Rear - Zone 1 Temperature | 270 - 290 | °C |
| Hopper Temperature | 60 - 80 | °C |
| Mold Temperature | 75 - 95 | °C |
| Source GMD, last updated:2010/05/17 | ||
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For more information please download the datesheet |
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Sabic Lexan EXRL0722.pdf |
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