ELCRES EXL4312 is based on Polycarbonate (PC) siloxane copolymer resin containing 20% glass fiber, medium flow, impact modified, injection moldable grade. EXL4312 has good surface energy and high gloss and is good candidate for a broad range of applications that require a combination of stiffness and ductility.
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| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Dielectric Constant, 1.1 GHz | 3.107 | - | SABIC method |
| Dissipation Factor, 1.1 GHz | 0.006 | - | SABIC method |
| Dielectric Constant, 1.9 GHz | 3.070 | - | SABIC method |
| Dissipation Factor, 1.9 GHz | 0.006 | - | SABIC method |
| Dielectric Constant, 5 GHz | 3.103 | - | SABIC method |
| Dissipation Factor, 5 GHz | 0.006 | - | SABIC method |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Izod Impact, notched, 23°C | 150 | J/m | ASTM D256 |
| Izod Impact, notched, -20°C | 100 | J/m | ASTM D256 |
| Izod Impact, unnotched, 23°C | 780 | J/m | ASTM D4812 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Drying Temperature | 110 - 120 | °C | |
| Drying Time | 3 - 6 | Hrs | |
| 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 | 110 - 140 | °C |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Tensile Stress, brk, Type I, 5 mm/min | 90 | MPa | ASTM D638 |
| Tensile Strain, brk, Type I, 5 mm/min | 3.5 | % | ASTM D638 |
| Tensile Modulus, 5 mm/min | 5500 | MPa | ASTM D638 |
| Flexural Strength, 1.3 mm/min, 50 mm span | 140 | MPa | ASTM D790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 5400 | MPa | ASTM D790 |
| Tensile Stress, break, 5 mm/min | 90 | MPa | ISO 527 |
| Tensile Strain, break, 5 mm/min | 3.2 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 5400 | MPa | ISO 527 |
| Flexural Strength, 2 mm/min | 140 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 5500 | MPa | ISO 178 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Specific Gravity | 1.3 | - | ASTM D792 |
| Density | 1.3 | g/cm³ | ISO 1183 |
| Melt Flow Rate, 300°C/1.2 kgf | 16 | g/10 min | ASTM D1238 |
| Melt Volume Rate, MVR at 300°C/1.2 kg | 12 | cm³/10 min | ISO 1133 |
| Mold Shrinkage, flow | 0.4 - 0.6 | % | SABIC method |
| Mold Shrinkage, xflow | 0.4 - 0.6 | % | SABIC method |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| HDT, 0.45 MPa, 3.2 mm, unannealed | 144 | °C | ASTM D648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 138 | °C | ASTM D648 |
| HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm | 143 | °C | ISO 75/Bf |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 137 | °C | ISO 75/Af |
| CTE, -40°C to 40°C, flow | 3.0E-05 | 1/°C | ASTM E831 |
| CTE, -40°C to 40°C, xflow | 9.0E-05 | 1/°C | ASTM E831 |
| CTE, -40°C to 40°C, flow | 3.0E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 9.0E-05 | 1/°C | ISO 11359-2 |
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