S-Plastics Ultem 3451 resin is 45% Glass fiber and mineral filled, standard flow Polyimide (Tg 217C) with enhanced dimensional stability. ECO Conforming.
| TYPICAL PROPERTIES (1) | |||
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, brk, Type I, 5 mm/min | 131 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 1.4 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 11720 | MPa | ASTM D 638 |
| Flexural Stress, brk, 2.6 mm/min, 100 mm span | 179 | MPa | ASTM D 790 |
| Flexural Modulus, 2.6 mm/min, 100 mm span | 11720 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 53 | J/m | ASTM D 256 |
| Izod Impact, Reverse Notched, 3.2 mm | 229 | J/m | ASTM D 256 |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 212 | °C | ASTM D 648 |
| CTE, -20°C to 150°C, flow | 1.08E-05 | 1/°C | ASTM E 831 |
| CTE, -20°C to 150°C, xflow | 2.16E-05 | 1/°C | ASTM E 831 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.66 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.15 - 0.25 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 0.3 - 0.5 | % | S-Plastics Method |
| Melt Flow Rate, 337°C/6.6 kgf | 2.7 | g/10 min | ASTM D 1238 |
| Source GMD, last updated:01/13/2000 | |||
| Parameter | ||
| 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:01/13/2000 | ||
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For more information please download the datasheet |
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S-Plastics Ultem 3451.pdf |
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