S-Plastics Lexan WD2710 resin is is a grade for use in wiring devices (WD) and other electrical and electronic products. It offers excellent processing and abalance of properties well suited for many cost sensitive applications. Note: The notched impact (Izod) at RT according to ISO180/1A (4mm wall thickness) shows a ductile/brittle transition. However the notched impact strength (Izod) at RT according to ASTM D256 (3.2 mmwall thickness) for LEXAN WD2710 is 45 kJ/m2
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yield, 50 mm/min | 50 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 5 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 30 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2200 | MPa | ISO 527 |
| Hardness, H358/30 | 95 | MPa | ISO 2039-1 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 450 | J/m | ASTM D 256 |
| Izod Impact, notched, -20°C | 200 | J/m | ASTM D 256 |
| Charpy Impact, notched, 23°C | 40 | kJ/m² | ISO 179/2C |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 135 | °C | ASTM D 1525 |
| Thermal Conductivity | 0.19 | W/m-°C | ISO 8302 |
| CTE, 23°C to 80°C, flow | 8.E-05 | 1/°C | ISO 11359-2 |
| Ball Pressure Test, 75°C +/- 2°C | PASSES | - | IEC 60695-10-2 |
| Ball Pressure Test, 125°C +/- 2°C | FAILS | - | IEC 60695-10-2 |
| Ball Pressure Test, approximate maximum | 115 | °C | IEC 60695-10-2 |
| Vicat Softening Temp, Rate A/50 | 130 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/50 | 120 | °C | ISO 306 |
| HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm | 120 | °C | ISO 75/Be |
| HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm | 100 | °C | ISO 75/Ae |
| Relative Temp Index, Elec | 80 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 80 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 80 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.22 | - | ASTM D 792 |
| Water Absorption, 24 hours | 0.1 | % | ASTM D 570 |
| Mold Shrinkage on Tensile Bar, flow (2) | 0.5 - 0.8 | % | S-Plastics Method |
| Density | 1.22 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.35 | % | ISO 62 |
| Melt Volume Rate, MVR at 265°C/1.2 kg | 5 | cm³/10 min | ISO 1133 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | 1.E+12 | Ohm-cm | IEC 60093 |
| Surface Resistivity, ROA | 1.6E+14 | Ohm | IEC 60093 |
| Dielectric Strength, shorttime, 1.0mm | 3 | kV/mm | IEC 60243-1 |
| Dissipation Factor, 50/60 Hz | 0.0027 | - | IEC 60250 |
| Dissipation Factor, 1 MHz | 0.009 | - | IEC 60250 |
| Comparative Tracking Index | 325 | V | IEC 60112 |
| Comparative Tracking Index, M | 125 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94HB Flame Class Rating (3) | 1.5 | mm | UL 94 |
| UL Recognized, 94HB Flame Class Rating 2nd value (3) | 3 | mm | UL 94 |
| Needle Flame Test, 10 s , passes at | 3.2 | mm | IEC 60695-2-2 |
| Glow Wire Flammability Index 750°C, passes at | 3.2 | mm | IEC 60695-2-12 |
| Oxygen Index (LOI) | 22 | % | ISO 4589 |
| Source GMD, last updated:10/03/1990 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 - 130 | °C |
| Drying Time | 4 - 6 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 270 - 290 | °C |
| Nozzle Temperature | 260 - 280 | °C |
| Front - Zone 3 Temperature | 270 - 290 | °C |
| Middle - Zone 2 Temperature | 260 - 280 | °C |
| Rear - Zone 1 Temperature | 250 - 270 | °C |
| Hopper Temperature | 40 - 60 | °C |
| Mold Temperature | 40 - 80 | °C |
| Source GMD, last updated:10/03/1990 | ||
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For more information please download the datesheet |
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S-Plastics Lexan WD2710.pdf |
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