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lexan PC EXL1414物性
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| Lexan* EXL1414 polycarbonate (PC) siloxane copolymer resin is a medium flow opaque injection molding (IM) grade. This resin offers extreme low temperature (-40 C) ductility in combination with excellent processability and release with opportunities for shorter IM cycle times compared to standard PC. Lexan EXL1414 resin is a product available in wide range of opaque colors and may be an excellent candidate for a wide variety of applications. |
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Property |
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| TYPICAL PROPERTIES?(1) | ||||
| MECHANICAL | Value | Unit | Standard | |
| Tensile Stress, yld, Type I, 50 mm/min | 560 | kgf/cm2 | ASTM D 638 | |
| Tensile Stress, brk, Type I, 50 mm/min | 510 | kgf/cm2 | ASTM D 638 | |
| Tensile Strain, yld, Type I, 50 mm/min | 6 | % | ASTM D 638 | |
| Tensile Strain, brk, Type I, 50 mm/min | 98 | % | ASTM D 638 | |
| Tensile Modulus, 50 mm/min | 20500 | kgf/cm2 | ASTM D 638 | |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 940 | kgf/cm2 | ASTM D 790 | |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 22700 | kgf/cm2 | ASTM D 790 | |
| Hardness, Rockwell L | 89 | - | ASTM D 785 | |
| Hardness, Rockwell R | 121 | - | ASTM D 785 | |
| Tensile Stress, yield, 50 mm/min | 57 | MPa | ISO 527 | |
| Tensile Stress, break, 50 mm/min | 60 | MPa | ISO 527 | |
| Tensile Strain, yield, 50 mm/min | 6 | % | ISO 527 | |
| Tensile Strain, break, 50 mm/min | 120 | % | ISO 527 | |
| Tensile Modulus, 1 mm/min | 2150 | MPa | ISO 527 | |
| Flexural Stress, yield, 2 mm/min | 85 | MPa | ISO 178 | |
| Flexural Modulus, 2 mm/min | 2250 | MPa | ISO 178 | |
| IMPACT | Value | Unit | Standard | |
| Izod Impact, notched, 23°C | 88 | cm-kgf/cm | ASTM D 256 | |
| Izod Impact, notched, -30°C | 78 | cm-kgf/cm | ASTM D 256 | |
| Instrumented Impact Total Energy, 23°C | 714 | cm-kgf | ASTM D 3763 | |
| Izod Impact, unnotched 80*10*3 +23°C | NB | kJ/m2 | ISO 180/1U | |
| Izod Impact, unnotched 80*10*3 -30°C | NB | kJ/m2 | ISO 180/1U | |
| Izod Impact, notched 80*10*3 +23°C | 70 | kJ/m2 | ISO 180/1A | |
| Izod Impact, notched 80*10*3 -30°C | 60 | kJ/m2 | ISO 180/1A | |
| Charpy 23°C , V-notch Edgew 80*10*3 sp=62mm | 70 | kJ/m2 | ISO 179/1eA | |
| Charpy -30°C , V-notch Edgew 80*10*3 sp=62mm | 65 | kJ/m2 | ISO 179/1eA | |
| Charpy 23°C , Unnotch Edgew 80*10*3 sp=62mm | NB | kJ/m2 | ISO 179/1eU | |
| Charpy -30°C , Unnotch Edgew 80*10*3 sp=62mm | NB | kJ/m2 | ISO 179/1eU | |
| THERMAL | Value | Unit | Standard | |
| Vicat Softening Temp, Rate B/50 | 145 | °C | ASTM D 1525 | |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 139 | °C | ASTM D 648 | |
| HDT, 1.82 MPa, 3.2mm, unannealed | 124 | °C | ASTM D 648 | |
| CTE, -40°C to 40°C , flow | 6.96E-05 | 1/°C | ASTM E 831 | |
| CTE, -40°C to 40°C , xflow | 7.47E-05 | 1/°C | ASTM E 831 | |
| CTE, 23°C to 80°C , flow | 7.2E-05 | 1/°C | ISO 11359-2 | |
| CTE, 23°C to 80°C , xflow | 7.2E-05 | 1/°C | ISO 11359-2 | |
| Ball Pressure Test, 125°C +/- 2°C | Passes | - | IEC 60695-10-2 | |
| Vicat Softening Temp, Rate B/50 | 145 | °C | ISO 306 | |
| Vicat Softening Temp, Rate B/120 | 146 | °C | ISO 306 | |
| HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm | 140 | °C | ISO 75/Be | |
| HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm | 128 | °C | ISO 75/Ae | |
| Relative Temp Index, Elec | 130 | °C | UL 746B | |
| Relative Temp Index, Mech w/impact | 120 | °C | UL 746B | |
| Relative Temp Index, Mech w/o impact | 125 | °C | UL 746B | |
| PHYSICAL | Value | Unit | Standard | |
| Specific Gravity | 1.18 | - | ASTM D 792 | |
| Mold Shrinkage, flow, 3.2 mm | 0.4 - 0.8 | % | SABIC Method | |
| Mold Shrinkage, xflow, 3.2 mm | 0.4 - 0.8 | % | SABIC Method | |
| Melt Flow Rate, 300°C /1.2 kgf | 10 | g/10 min | ASTM D 1238 | |
| Density | 1.19 | g/cm2 | 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 300°C /1.2 kg | 9 | cm3/10 min | ISO 1133 | |
| ELECTRICAL | Value | Unit | Standard | |
| Volume Resistivity | >1.E+15 | Ohm-cm | ASTM D 257 | |
| Surface Resistivity | >1.E+15 | Ohm | ASTM D 257 | |
| Dielectric Strength, in oil, 0.8 mm | 16.2 | kV/mm | ASTM D 149 | |
| Relative Permittivity, 100 Hz | 2.68 | - | ASTM D 150 | |
| Relative Permittivity, 1 MHz | 2.64 | - | ASTM D 150 | |
| Dissipation Factor, 100 Hz | 0.0012 | - | ASTM D 150 | |
| Dissipation Factor, 1 MHz | 0.0093 | - | ASTM D 150 | |
| FLAME CHARACTERISTICS | Value | Unit | Standard | |
| UL Recognized, 94HB Flame Class Rating (3) | 0.4 | mm | UL 94 | |
| Glow Wire Flammability Index 850°C , passes at | 0.8 | mm | IEC 60695-2-12 | |
| Glow Wire Flammability Index 960°C , passes at | 1 | mm | IEC 60695-2-12 | |
| Glow Wire Ignitability Temperature, 1.0 mm | 875 | °C | IEC 60695-2-13 | |
| Glow Wire Ignitability Temperature, 3.0 mm | 875 | °C | IEC 60695-2-13 | |
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Processing |
| 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 | 295 - 315 | °C |
| Nozzle Temperature | 290 - 310 | °C |
| Front - Zone 3 Temperature | 295 - 315 | °C |
| Middle - Zone 2 Temperature | 280 - 305 | °C |
| Rear - Zone 1 Temperature | 215 - 295 | °C |
| Mold Temperature | 70 - 95 | °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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