S-Plastics Lexan ML4588 resin is Extrusion and extrusion blowmolding grade for aircraft applications. Meets FAR 25.853 (60 seconds/30 mils).
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 64 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 62 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 65 | % | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 97 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2480 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 720 | J/m | ASTM D 256 |
| Instrumented Impact Energy @ peak, 23°C | 59 | J | ASTM D 3763 |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 132 | °C | ASTM D 648 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.21 | - | ASTM D 792 |
| Melt Flow Rate, 300°C/1.2 kgf | 2.5 | g/10 min | ASTM D 1238 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| FAA Flammability, FAR 25.853 A/B | (A), 1, (I) | - | FAR 25.853 |
| Source GMD, last updated:01/04/2000 | |||
| 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 | 320 - 345 | °C |
| Nozzle Temperature | 315 - 340 | °C |
| Front - Zone 3 Temperature | 320 - 345 | °C |
| Middle - Zone 2 Temperature | 310 - 330 | °C |
| Rear - Zone 1 Temperature | 300 - 320 | °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 |
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For more information please download the datesheet |
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S-Plastics Lexan ML4588.pdf |
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