LNP THERMOCOMP D251U compound is based on Polycarbonate (PC) resin containing 20% glass fiber. Added features of this grade include: High Modulus, Low Warpage, Good Ductility, Non-Brominated & Non-Chlorinated Flame Retardant, Good UV Stability.
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| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Dielectric Constant | |||
| – 1.1 GHz | 3.24 | - | SABIC method |
| – 1.9 GHz | 3.27 | - | SABIC method |
| – 5 GHz | 3.28 | - | SABIC method |
| – 10 GHz | 3.28 | - | SABIC method |
| Dissipation Factor | |||
| – 1.1 GHz | 0.0066 | - | SABIC method |
| – 1.9 GHz | 0.0067 | - | SABIC method |
| – 5 GHz | 0.0071 | - | SABIC method |
| – 10 GHz | 0.0072 | - | SABIC method |
| Comparative Tracking Index | 175 | V | IEC 60112 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Izod Impact, unnotched, 23°C | 650 | J/m | ASTM D4812 |
| Izod Impact, notched, 23°C | 147 | J/m | ASTM D256 |
| Instrumented Dart Impact Energy @ peak, 23°C | 20 | J | ASTM D3763 |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 14 | kJ/m² | ISO 179/1eA |
| Charpy 23°C, Unnotch Edgew 80*10*4 sp=62mm | 49 | kJ/m² | ISO 179/1eU |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Drying Temperature | 110 | °C | |
| Drying Time | 3 - 6 | Hrs | |
| Maximum Moisture Content | 0.02 | % | |
| Melt Temperature | 285 - 310 | °C | |
| Nozzle Temperature | 285 - 305 | °C | |
| Front - Zone 3 Temperature | 280 - 300 | °C | |
| Middle - Zone 2 Temperature | 270 - 290 | °C | |
| Rear - Zone 1 Temperature | 260 - 280 | °C | |
| Mold Temperature | 80 - 110 | °C | |
| Back Pressure | 0.1 - 0.3 | MPa | |
| Screw Speed | 50 - 90 | rpm |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Tensile Stress, brk, Type I, 5 mm/min | 110 | MPa | ASTM D638 |
| Tensile Strain, brk, Type I, 5 mm/min | 2.7 | % | ASTM D638 |
| Tensile Modulus, 5 mm/min | 6700 | MPa | ASTM D638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 167 | MPa | ASTM D790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 6200 | MPa | ASTM D790 |
| Tensile Stress, break, 5 mm/min | 112 | MPa | ISO 527 |
| Tensile Strain, break, 5 mm/min | 2.6 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 6810 | MPa | ISO 527 |
| Flexural Stress, break, 2 mm/min | 166 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 6290 | MPa | ISO 178 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Density | 1.35 | g/cm³ | ASTM D792 |
| Mold Shrinkage, flow, 24 hrs | 0.2 - 0.4 | % | ASTM D955 |
| Mold Shrinkage, xflow, 24 hrs | 0.2 - 0.4 | % | ASTM D955 |
| Melt Flow Rate | |||
| – 300°C/1.2 kgf | 12 | g/10 min | ASTM D1238 |
| – 300°C/2.16 kgf | 24 | g/10 min | ASTM D1238 |
| Water Absorption, (23°C/saturated) | 0.07 | % | ISO 62-1 |
| Melt Volume Rate | |||
| – 300°C/1.2 kg | 10 | cm³/10 min | ISO 1133 |
| – 300°C/2.16 kg | 20 | cm³/10 min | ISO 1133 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| HDT, 0.45 MPa, 3.2 mm, unannealed | 121 | °C | ASTM D648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 115 | °C | ASTM D648 |
| CTE, 23°C to 80°C, flow | 2.5E-05 | 1/°C | ISO 11359-2 |
| CTE, 23°C to 80°C, xflow | 7.5E-05 | 1/°C | ISO 11359-2 |
| 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 |
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