S-Plastics Lexan 500 resin is 10% GR PC. Optimum combination of high modulus plus excellent impact strength and flame retardance.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 66 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 5 mm/min | 55 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 8 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 15 | % | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 103 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 3440 | MPa | ASTM D 790 |
| Hardness, Rockwell M | 85 | - | ASTM D 785 |
| Hardness, Rockwell R | 124 | - | ASTM D 785 |
| Taber Abrasion, CS-17, 1 kg | 11 | mg/1000cy | ASTM D 1044 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 2136 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 106 | J/m | ASTM D 256 |
| Tensile Impact, Type "S" | 157 | kJ/m² | ASTM D 1822 |
| Falling Dart Impact (D 3029), 23°C | 101 | J | ASTM D 3029 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 154 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 146 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 142 | °C | ASTM D 648 |
| CTE, -40°C to 95°C, flow | 3.24E-05 | 1/°C | ASTM E 831 |
| Specific Heat | 1.21 | J/g-°C | ASTM C 351 |
| Thermal Conductivity | 0.2 | W/m-°C | ASTM C 177 |
| Relative Temp Index, Elec | 130 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 130 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 130 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.27 | - | ASTM D 792 |
| Specific Volume | 0.8 | cm³/g | ASTM D 792 |
| Density | 1.245 | g/cm³ | ASTM D 792 |
| Water Absorption, 24 hours | 0.12 | % | ASTM D 570 |
| Water Absorption, equilibrium, 23C | 0.31 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.2 - 0.4 | % | S-Plastics Method |
| Melt Flow Rate, 300°C/1.2 kgf | 7.5 | g/10 min | ASTM D 1238 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | >1.E+17 | Ohm-cm | ASTM D 257 |
| Dielectric Strength, in air, 3.2 mm | 17.7 | kV/mm | ASTM D 149 |
| Relative Permittivity, 50/60 Hz | 3.1 | - | ASTM D 150 |
| Relative Permittivity, 1 MHz | 3.05 | - | ASTM D 150 |
| Dissipation Factor, 50/60 Hz | 0.0008 | - | ASTM D 150 |
| Dissipation Factor, 1 MHz | 0.0075 | - | ASTM D 150 |
| Arc Resistance, Tungsten {PLC} | 7 | PLC Code | ASTM D 495 |
| Hot Wire Ignition {PLC) | 1 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 4 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 4 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 3 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Recognized, 94V-0 Flame Class Rating (3) | 1.52 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 3.04 | mm | UL 94 |
| CSA (See File for complete listing) | LS88480 | File No. | CSA LISTED |
| Oxygen Index (LOI) | 36 | % | ASTM D 2863 |
| Radiant Panel Listing | YES | - | UL Tested |
| UV-light, water exposure/immersion | F2 | - | UL 746C |
| Source GMD, last updated:12/29/1999 | |||
| 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 | 310 - 330 | °C |
| Nozzle Temperature | 305 - 325 | °C |
| Front - Zone 3 Temperature | 310 - 330 | °C |
| Middle - Zone 2 Temperature | 300 - 320 | °C |
| Rear - Zone 1 Temperature | 290 - 310 | °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:12/29/1999 | ||
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For more information please download the datasheet |
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S-Plastics Lexan 500.pdf |
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