S-Plastics Lexan RL3980B resin is an optical quality grade suitable for optical media applications.
| MECHANICAL | Value | Unit | Standard |
| 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 | >30 | % | 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 | 2350 | MPa | ISO 178 |
| Hardness, H358/30 | 95 | MPa | ISO 2039-1 |
| THERMAL | Value | Unit | Standard |
| Thermal Conductivity | 0.2 | W/m-°C | ISO 8302 |
| CTE, 23°C to 80°C, flow | 7.E-05 | 1/°C | ISO 11359-2 |
| CTE, 23°C to 80°C, xflow | 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 | 136 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 140 | °C | ISO 306 |
| HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm | 132 | °C | ISO 75/Be |
| HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm | 122 | °C | ISO 75/Ae |
| PHYSICAL | Value | Unit | Standard |
| Mold Shrinkage on Tensile Bar, flow (2) | 0.5 - 0.7 | % | S-Plastics Method |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.35 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.15 | % | ISO 62 |
| Melt Volume Rate, MVR at 250°C/1.2 kg | 11 | cm³/10 min | ISO 1133 |
| OPTICAL | Value | Unit | Standard |
| Light Transmission | >87 | % | ASTM D 1003 |
| Refractive Index | 1.586 | - | ISO 489 |
| Source GMD, last updated:06/22/2000 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 4 - 6 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 300 - 330 | °C |
| Nozzle Temperature | 280 - 320 | °C |
| Front - Zone 3 Temperature | 300 - 340 | °C |
| Middle - Zone 2 Temperature | 280 - 320 | °C |
| Rear - Zone 1 Temperature | 240 - 280 | °C |
| Hopper Temperature | 60 - 80 | °C |
| Mold Temperature | 80 - 100 | °C |
| Source GMD, last updated:06/22/2000 | ||
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For more information please download the datesheet |
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| S-Plastics Lexan RL3980B.pdf | |
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