S-Plastics Ultem MD140 resin is Transparent, enhanced flow Polyimide (Tg 217C). ECO Conforming.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 110 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 7 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 60 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 3580 | MPa | ASTM D 638 |
| Flexural Stress, yld, 2.6 mm/min, 100 mm span | 165 | MPa | ASTM D 790 |
| Flexural Modulus, 2.6 mm/min, 100 mm span | 3510 | MPa | ASTM D 790 |
| Hardness, Rockwell M | 109 | - | ASTM D 785 |
| Taber Abrasion, CS-17, 1 kg | 10 | mg/1000cy | ASTM D 1044 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 1335 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 32 | J/m | ASTM D 256 |
| Izod Impact, Reverse Notched, 3.2 mm | 1174 | J/m | ASTM D 256 |
| Gardner, 23°C | 33 | J | ASTM D 3029 |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 218 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 207 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 198 | °C | ASTM D 648 |
| CTE, -20°C to 150°C, flow | 5.58E-05 | 1/°C | ASTM E 831 |
| Thermal Conductivity | 0.22 | W/m-°C | ASTM C 177 |
| Relative Temp Index, Elec | 170 | °C | UL 746B |
| Relative Temp Index, Mech w/impact | 170 | °C | UL 746B |
| Relative Temp Index, Mech w/o impact | 170 | °C | UL 746B |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.27 | - | ASTM D 792 |
| Water Absorption, 24 hours | 0.25 | % | ASTM D 570 |
| Water Absorption, equilibrium, 23C | 1.25 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.5 - 0.7 | % | S-Plastics Method |
| Melt Flow Rate, 337°C/6.6 kgf | 17.8 | g/10 min | ASTM D 1238 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | 1.E+17 | Ohm-cm | ASTM D 257 |
| Dielectric Strength, in air, 1.6 mm | 32.6 | kV/mm | ASTM D 149 |
| Dielectric Strength, in oil, 1.6 mm | 27.9 | kV/mm | ASTM D 149 |
| Relative Permittivity, 1 kHz | 3.15 | - | ASTM D 150 |
| Dissipation Factor, 1 kHz | 0.0013 | - | ASTM D 150 |
| Dissipation Factor, 2450 MHz | 0.0025 | - | ASTM D 150 |
| Arc Resistance, Tungsten {PLC} | 5 | PLC Code | ASTM D 495 |
| Hot Wire Ignition {PLC) | 1 | PLC Code | UL 746A |
| High Voltage Arc Track Rate {PLC} | 2 | PLC Code | UL 746A |
| High Ampere Arc Ign, surface {PLC} | 3 | PLC Code | UL 746A |
| Comparative Tracking Index (UL) {PLC} | 4 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| Oxygen Index (LOI) | 44 | % | ASTM D 2863 |
| NBS Smoke Density, Flaming, Ds 4 min | 2 | - | ASTM E 662 |
| Source GMD, last updated:02/01/2005 | |||
| Injection Molding | Value | Unit |
| Drying Temperature | 150 | °C |
| Drying Time | 4 - 6 | hrs |
| Drying Time (Cumulative) | 24 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 350 - 400 | °C |
| Nozzle Temperature | 345 - 400 | °C |
| Front - Zone 3 Temperature | 345 - 400 | °C |
| Middle - Zone 2 Temperature | 340 - 400 | °C |
| Rear - Zone 1 Temperature | 330 - 400 | °C |
| Mold Temperature | 135 - 165 | °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:02/01/2005 | ||
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For more information please download the datasheet |
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S-Plastics Ultem MD140.pdf |
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