S-Plastics Lexan EX1372T resin is a UV stabilized, high viscosity branched polycarbonate grade, especially developed for the extrusion of complex sheet
structures.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Taber Abrasion, CS-17, 1 kg | 10 | mg/1000cy | S-Plastics Method |
| Tensile Stress, yield, 50 mm/min | 60 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 65 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 7 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 120 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2300 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 100 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2300 | MPa | ISO 178 |
| Hardness, H358/30 | 95 | MPa | ISO 2039-1 |
| Hardness, Rockwell R | 70 | - | ISO 2039-2 |
| IMPACT | Value | Unit | Standard |
| 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 | 70 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*3 -30°C | 25 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*3 sp=62mm | 70 | 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 |
| Thermal Conductivity | 0.2 | W/m-°C | ISO 8302 |
| 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 |
| Ball Pressure Test, 125°C +/- 2°C | PASSES | - | IEC 60695-10-2 |
| Vicat Softening Temp, Rate B/50 | 147 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 144 | °C | ISO 306 |
| HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm | 137 | °C | ISO 75/Bf |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 126 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Density | 1.2 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.35 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.15 | % | ISO 62 |
| Melt Volume Rate, MVR at 300°C/1.2 kg | 3 | cm³/10 min | ISO 1133 |
| Melt Volume Rate, MVR at 300°C/2.16 kg | 5 | cm³/10 min | ISO 1133 |
| OPTICAL | Value | Unit | Standard |
| Haze | <0.8 | % | ASTM D 1003 |
| Refractive Index | 1.586 | - | ISO 489 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | >1.E+15 | Ohm-cm | IEC 60093 |
| Surface Resistivity, ROA | >1.E+15 | Ohm | IEC 60093 |
| Dielectric Strength, in oil, 3.2 mm | 17 | kV/mm | IEC 60243-1 |
| Relative Permittivity, 50/60 Hz | 2.7 | - | IEC 60250 |
| Relative Permittivity, 1 MHz | 2.7 | - | IEC 60250 |
| Dissipation Factor, 50/60 Hz | 0.001 | - | IEC 60250 |
| Dissipation Factor, 1 MHz | 0.01 | - | IEC 60250 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| UL Compliant, 94HB Flame Class Rating (3)(4) | 1.5 | mm | UL 94 by GE |
| UL Compliant, 94HB Flame Class Rating 2nd value (3)(4) | 3 | mm | UL 94 by GE |
| Source GMD, last updated:12/15/2008 | |||
| Parameter | ||
| Profile Extrusion | Value | Unit |
| 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 |
| Source GMD, last updated:12/15/2008 | ||
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For more information please download the datasheet |
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S-Plastics Lexan EX1372T.pdf |
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