S-Plastics Lexan FL920 resin is Various weight reductions at .250" (6.35 mm) wall, 20% GR. Excellent flex mod, high tensile strength/heat resistance. V-0/5V at .250"(6.35mm).
| MECHANICAL | Value | Unit | Standard |
| FOAM - MECHANICAL 6.4 mm Wt Reduction | 10 | % | - |
| Tensile Stress, yield, 6.35 mm | 58 | MPa | ASTM D 638 |
| Tensile Strain, break, 6.35 mm | 3.6 | % | ASTM D 638 |
| Tensile Modulus, 6.4 mm | 4270 | MPa | ASTM D 638 |
| Flexural Stress, yield, 6.4 mm | 106 | MPa | ASTM D 790 |
| Flexural Modulus, 6.4 mm | 5130 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| FOAM - IMPACT 6.4 mm Wt Reduction | 10 | % | - |
| Izod Impact, unnotched, 23°C | 427 | J/m | ASTM D 4812 |
| Falling Dart Impact, 23°C | 43 | J | S-Plastics Method |
| THERMAL | Value | Unit | Standard |
| FOAM - THERMAL 6.4mm Wt Reduction | 10 | % | - |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 143 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 136 | °C | ASTM D 648 |
| CTE, -40°C to 95°C, flow | 2.7E-05 | 1/°C | ASTM E 831 |
| Specific Heat | 1.17 | J/g-°C | ASTM C 351 |
| Relative Temp Index, Elec | 110 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 110 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 110 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| FOAM - PHYSICAL 6.4mm Wt Reduction | 10 | % | - |
| Specific Gravity | 1.32 | - | ASTM D 792 |
| Specific Gravity, foam molded | 1.19 | - | ASTM D 792 |
| Water Absorption, 24 hours | 0.14 | % | ASTM D 570 |
| Water Absorption, equilibrium, 23C | 0.3 | % | ASTM D 570 |
| Mold Shrinkage, flow, 6.4 mm | 0.3 - 0.5 | % | S-Plastics Method |
| ELECTRICAL | Value | Unit | Standard |
| FOAM - ELECTRICAL 6.4 mm Wt Reduction | 20 | % | - |
| Volume Resistivity | 2.5E+17 | Ohm-cm | ASTM D 257 |
| Surface Resistivity | >1.1E+17 | Ohm | ASTM D 257 |
| Relative Permittivity, 100 Hz | 2.52 | - | ASTM D 150 |
| Relative Permittivity, 1 MHz | 2.5 | - | ASTM D 150 |
| Dissipation Factor, 100 Hz | 0.0008 | - | ASTM D 150 |
| Dissipation Factor, 1 MHz | 0.0052 | - | ASTM D 150 |
| Hot Wire Ignition {PLC) | 1 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 3 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 2 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 3 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| FOAM - Flame Class Minimum Density | 0.85 | g/cm³ | - |
| UL Recognized, 94V-0 Flame Class Rating (3) | 5.99 | mm | UL 94 |
| UL Recognized, 94-5VA Rating (3) | 5.99 | mm | UL 94 |
| Source GMD, last updated:08/07/1989 | |||
| Parameter | ||
| Structural Foam Molding | Value | Unit |
| Blowing Agent, Physical System | Nitrogen | - |
| Blowing Agent, Chemical System | FLC95 | - |
| Drying Time (Blowing Agent) | 4 | hrs |
| Drying Temperature (Blowing Agent) | 105 | °C |
| Concentration Range (Blowing Agent) | 3 - 5 | % |
| Recommended Concentration (Blowing Agent) | 1.5 | % |
| Drying Temperature (Resin) | 120 | °C |
| Drying Time (Resin) | 3 - 4 | hrs |
| Drying Time (Resin, Cumulative) | 48 | hrs |
| Melt Temperature | 290 - 315 | °C |
| Nozzle Temperature | 270 - 295 | °C |
| Front Temperature | 295 - 310 | °C |
| Middle Temperature | 295 - 310 | °C |
| Rear Temperature | 255 - 265 | °C |
| Mold Temperature | 70 - 95 | °C |
| Source GMD, last updated:08/07/1989 | ||
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For more information please download the datesheet |
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S-Plastics Lexan FL920.pdf |
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