LEXAN ML7664 polycarbonate (PC) siloxane resin, is a product targeting (profile) extrusion applications requiring extreme low temperature ductility. LEXAN ML7664 resin is a non-FR product available in opaque colors only.
All colors are customizable. Refer our ColorXpress tool to check color availability
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Izod Impact, notched, 23°C | 847 | J/m | ASTM D256 |
| Izod Impact, notched, -30°C | 710 | J/m | ASTM D256 |
| Instrumented Dart Impact Total Energy, 23°C | 72 | J | ASTM D3763 |
| Izod Impact, notched 80*10*4 +23°C | 64 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*4 -30°C | 54 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 77 | kJ/m² | ISO 179/1eA |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Tensile Stress, yld, Type I, 50 mm/min | 60 | MPa | ASTM D638 |
| Tensile Stress, brk, Type I, 50 mm/min | 56 | MPa | ASTM D638 |
| Tensile Strain, yld, Type I, 50 mm/min | 6 | % | ASTM D638 |
| Tensile Strain, brk, Type I, 50 mm/min | 86 | % | ASTM D638 |
| Tensile Modulus, 5 mm/min | 2200 | MPa | ASTM D638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 97 | MPa | ASTM D790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2300 | MPa | ASTM D790 |
| Tensile Stress, yield, 50 mm/min | 59 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 59 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 6 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 76 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2300 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 90 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2100 | MPa | ISO 178 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Specific Gravity | 1.19 | - | ASTM D792 |
| Mold Shrinkage, flow, 3.2 mm | 0.6 - 1 | % | SABIC method |
| Melt Flow Rate, 300°C/1.2 kgf | 2.7 | g/10 min | ASTM D1238 |
| Density | 1.19 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/saturated) | 0.35 | % | ISO 62-1 |
| Moisture Absorption (23°C / 50% RH) | 0.15 | % | ISO 62 |
| Melt Volume Rate, MVR at 300°C/1.2 kg | 2 | cm³/10 min | ISO 1133 |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Drying Temperature | 120 | °C | |
| Drying Time | 2 - 4 | Hrs | |
| Melt Temperature | 280 - 300 | °C | |
| Barrel - Zone 1 Temperature | 240 - 280 | °C | |
| Barrel - Zone 2 Temperature | 260 - 290 | °C | |
| Barrel - Zone 3 Temperature | 260 - 290 | °C | |
| Barrel - Zone 4 Temperature | 260 - 290 | °C | |
| Hopper Temperature | 100 - 120 | °C | |
| Adapter Temperature | 270 - 300 | °C | |
| Die Temperature | 260 - 290 | °C | |
| Calibrator Temperature | 80 - 100 | °C |
| PROPERTIES | TYPICAL VALUES | UNITS | TEST METHODS |
|---|---|---|---|
| Vicat Softening Temp, Rate B/50 | 144 | °C | ASTM D1525 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 127 | °C | ASTM D648 |
| CTE, -40°C to 40°C, flow | 7.E-05 | 1/°C | ASTM E831 |
| CTE, -40°C to 40°C, xflow | 7.E-05 | 1/°C | ASTM E831 |
| CTE, -40°C to 40°C, flow | 7.E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 7.E-05 | 1/°C | ISO 11359-2 |
| Vicat Softening Temp, Rate B/50 | 143 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 145 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 125 | °C | ISO 75/Af |
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