LNP ELCRES CRX5421 is a semi-crystalline Polycarbonate (PC) copolymer/Polybutylene Terephthalate (PBT) opaque blend. This resin offers medium flow, high ductility in combination with excellent chemical resistance. This grade is available for custom coloring and is intended for a wide variety of applications that need improved chemical resistance. This grade has passed the limited biocompatibility tests of ISO 10993-5 and ISO 10993-10.
All colors are customizable. Refer our ColorXpress tool to check color availability
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Dielectric Constant | |||
| – 100 MHz | 2.87 | - | SABIC method |
| – 2.47 | 2.84 | - | SABIC method |
| Dissipation Factor | |||
| – 100 MHz | 0.0082 | - | SABIC method |
| – 2.47 | 0.0057 | - | SABIC method |
| Surface Resistivity | >1.E+14 | Ω | ASTM D257 |
| Volume Resistivity | >1.E+14 | Ω.cm | ASTM D257 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| UL Yellow Card Link | View | - | - |
| UL Recognized, 94HB Flame Class Rating | ≥0.75 | mm | UL 94 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Izod Impact, notched, 23°C | 645 | J/m | ASTM D256 |
| Izod Impact, notched, -30°C | 180 | J/m | ASTM D256 |
| Instrumented Dart Impact Total Energy, 23°C | 60 | J | ASTM D3763 |
| Instrumented Dart Impact Energy @ peak, 23°C | 34 | J | ASTM D3763 |
| Izod Impact, notched 80*10*4 +23°C | 53 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*3 +23°C | 54 | kJ/m² | ISO 180/1A |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Drying Temperature | 120 | °C | |
| Drying Time | 3 - 4 | Hrs | |
| Drying Time (Cumulative) | 12 | Hrs | |
| Maximum Moisture Content | 0.02 | % | |
| Melt Temperature | 240 - 255 | °C | |
| Rear - Zone 1 Temperature | 225 - 240 | °C | |
| Middle - Zone 2 Temperature | 230 - 245 | °C | |
| Front - Zone 3 Temperature | 235 - 250 | °C | |
| Nozzle Temperature | 240 - 255 | °C | |
| Mold Temperature | 50 - 70 | °C | |
| Back Pressure | 0.3 - 0.7 | MPa | |
| Screw Speed | 50 - 100 | rpm | |
| Shot to Cylinder Size | 40 - 80 | % | |
| Vent Depth | 0.025 - 0.038 | mm |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Tensile Stress, yld, Type I, 50 mm/min | 42 | MPa | ASTM D638 |
| Tensile Strain, yld, Type I, 50 mm/min | 4 | % | ASTM D638 |
| Tensile Strain, brk, Type I, 50 mm/min | 70 | % | ASTM D638 |
| Tensile Modulus, 50 mm/min | 1820 | MPa | ASTM D638 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 1980 | MPa | ASTM D790 |
| Flexural Strength, 1.3 mm/min, 50 mm span | 68 | MPa | ASTM D790 |
| Tensile Stress, yield, 50 mm/min | 42 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 4 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 70 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 1850 | MPa | ISO 527 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Specific Gravity | 1.3 | - | ASTM D792 |
| Mold Shrinkage, flow | 1.0 - 1.6 | % | SABIC method |
| Mold Shrinkage, xflow | 0.9 - 1.6 | % | SABIC method |
| Melt Volume Rate, MVR at 250°C/5 kg | 10 | cm³/10 min | ASTM D1238 |
| Melt Flow Rate, 250°C/5.0 kgf | 11 | g/10 min | ASTM D1238 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| HDT, 1.82 MPa, 3.2mm, unannealed | 64 | °C | ASTM D648 |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 123 | °C | ASTM D648 |
| Vicat Softening Temp, Rate B/50 | 129 | °C | ASTM D1525 |
| Vicat Softening Temp, Rate B/120 | 136 | °C | ASTM D1525 |
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