S-Plastics Lexan 4404 resin is High heat polycarbonate copolymer, with HDT of 287F at 264 psi. FDA food contact compliant. Effective Jan 15th, 2008 this grade should not be used for medical applications which require biocompatibility. Alternative grade HPH4404
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 66 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 70 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 7 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | >50 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 2100 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 95 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2200 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 65 | 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 | 85 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2150 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 100 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2300 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | NB | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 600 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 120 | J | 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 | 53 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*3 -30°C | 11 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*3 sp=62mm | 57 | kJ/m² | ISO 179/1eA |
| Charpy -30°C, V-notch Edgew 80*10*3 sp=62mm | 13 | 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 | 166 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 148 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 142 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 8.E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 8.E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, flow | 8.E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 8.E-05 | 1/°C | ISO 11359-2 |
| Ball Pressure Test, 125°C +/- 2°C | pass | - | IEC 60695-10-2 |
| Vicat Softening Temp, Rate B/50 | 155 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 157 | °C | ISO 306 |
| HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm | 149 | °C | ISO 75/Be |
| HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm | 137 | °C | ISO 75/Ae |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.2 | - | ASTM D 792 |
| Mold Shrinkage on Tensile Bar, flow (2) | 0.6 - 0.8 | % | S-Plastics Method |
| Mold Shrinkage, flow, 3.2 mm | 0.6 - 0.8 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 0 - 0.2 | % | S-Plastics Method |
| Melt Flow Rate, 300°C/1.2 kgf | 6 | g/10 min | ASTM D 1238 |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.16 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.35 | % | ISO 62 |
| Melt Volume Rate, MVR at 300°C/1.2 kg | 6 | cm³/10 min | ISO 1133 |
| Melt Volume Rate, MVR at 330°C/2.16kg | 29 | cm³/10 min | ISO 1133 |
| Source GMD, last updated:10/17/2007 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 2 - 4 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 290 - 320 | °C |
| Nozzle Temperature | 280 - 310 | °C |
| Front - Zone 3 Temperature | 290 - 320 | °C |
| Middle - Zone 2 Temperature | 280 - 310 | °C |
| Rear - Zone 1 Temperature | 270 - 300 | °C |
| Hopper Temperature | 60 - 80 | °C |
| Mold Temperature | 80 - 120 | °C |
| Source GMD, last updated:10/17/2007 | ||
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For more information please download the datasheet |
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S-Plastics Lexan 4404.pdf |
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