S-Plastics Lexan HPS7R resin is Low flow polycarbonate. For medical devices and pharmaceutical applications. Healthcare management of change, biocompatible
TYPICAL PROPERTIES (1) | |||
MECHANICAL | Value | Unit | Standard |
Tensile Stress, yld, Type I, 50 mm/min | 62 | MPa | ASTM D 638 |
Tensile Stress, brk, Type I, 50 mm/min | 72 | MPa | ASTM D 638 |
Tensile Strain, yld, Type I, 50 mm/min | 6.5 | % | ASTM D 638 |
Tensile Strain, brk, Type I, 50 mm/min | 125 | % | ASTM D 638 |
Tensile Modulus, 50 mm/min | 2270 | MPa | ASTM D 638 |
Flexural Stress, yld, 1.3 mm/min, 50 mm span | 100 | MPa | ASTM D 790 |
Flexural Modulus, 1.3 mm/min, 50 mm span | 2340 | MPa | ASTM D 790 |
Tensile Stress, yield, 50 mm/min | 61 | MPa | ISO 527 |
Tensile Stress, break, 50 mm/min | 71 | MPa | ISO 527 |
Tensile Strain, yield, 50 mm/min | 5.9 | % | ISO 527 |
Tensile Strain, break, 50 mm/min | 126 | % | ISO 527 |
Tensile Modulus, 1 mm/min | 2450 | MPa | ISO 527 |
Flexural Stress, yield, 2 mm/min | 95 | MPa | ISO 178 |
Flexural Modulus, 2 mm/min | 2200 | MPa | ISO 178 |
IMPACT | Value | Unit | Standard |
Izod Impact, unnotched, 23°C | 2700 | J/m | ASTM D 4812 |
Izod Impact, notched, 23°C | 935 | J/m | ASTM D 256 |
Izod Impact, notched, -30°C | 785 | J/m | ASTM D 256 |
Instrumented Impact Total Energy, 23°C | 82 | 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 | 75 | kJ/m² | ISO 180/1A |
Izod Impact, notched 80*10*3 -30°C | 15 | kJ/m² | ISO 180/1A |
Charpy 23°C, V-notch Edgew 80*10*3 sp=62mm | 75 | kJ/m² | ISO 179/1eA |
Charpy -30°C, V-notch Edgew 80*10*3 sp=62mm | 15 | 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 | 145 | °C | ASTM D 1525 |
HDT, 0.45 MPa, 3.2 mm, unannealed | 141 | °C | ASTM D 648 |
HDT, 1.82 MPa, 3.2mm, unannealed | 129 | °C | ASTM D 648 |
CTE, -40°C to 40°C, flow | 6.6E-05 | 1/°C | ASTM E 831 |
CTE, -40°C to 40°C, xflow | 7.5E-05 | 1/°C | ASTM E 831 |
CTE, -40°C to 40°C, flow | 6.6E-05 | 1/°C | ISO 11359-2 |
CTE, -40°C to 40°C, xflow | 7.5E-05 | 1/°C | ISO 11359-2 |
Vicat Softening Temp, Rate B/50 | 145 | °C | ISO 306 |
Vicat Softening Temp, Rate B/120 | 146 | °C | ISO 306 |
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 128 | °C | ISO 75/Af |
PHYSICAL | Value | Unit | Standard |
Specific Gravity | 1.2 | - | ASTM D 792 |
Mold Shrinkage, flow, 3.2 mm | 0.5 - 0.7 | % | S-Plastics Method |
Melt Flow Rate, 300°C/1.2 kgf | 5 | g/10 min | ASTM D 1238 |
Melt Flow Rate, 300°C/5.0 kgf | 24 | g/10 min | ASTM D 1238 |
Density | 1.19 | g/cm³ | ISO 1183 |
Water Absorption, (23°C/sat) | 0.26 | % | ISO 62 |
Moisture Absorption (23°C / 50% RH) | 0.1 | % | ISO 62 |
Melt Volume Rate, MVR at 300°C/1.2 kg | 5 | cm³/10 min | ISO 1133 |
Source GMD, last updated:11/11/2005 |
Parameter | ||
Injection Molding | Value | Unit |
Drying Temperature | 120 | °C |
Drying Time | 3 - 4 | hrs |
Drying Time (Cumulative) | 48 | hrs |
Maximum Moisture Content | 0.02 | % |
Melt Temperature | 310 - 330 | °C |
Nozzle Temperature | 305 - 325 | °C |
Front - Zone 3 Temperature | 310 - 330 | °C |
Middle - Zone 2 Temperature | 300 - 320 | °C |
Rear - Zone 1 Temperature | 290 - 310 | °C |
Mold Temperature | 80 - 115 | °C |
Back Pressure | 0.3 - 0.7 | MPa |
Screw Speed | 40 - 70 | rpm |
Shot to Cylinder Size | 40 - 60 | % |
Vent Depth | 0.025 - 0.076 | mm |
Source GMD, last updated:11/11/2005 |
For more information please download the datasheet |
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S-Plastics Lexan HPS7R.pdf |
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