S-Plastics Ultem STM1500 resin is Siloxane polyimide block copolymer. Wire and cable use. Strength and flexibility.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 28 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 100 | % ASTM D 638 | |
| Flexural Modulus, 2.6 mm/min, 100 mm span | 380 | MPa | ASTM D 790 |
| Taber Abrasion, CS-17, 1 kg | 26 | mg/1000cy | ASTM D 1044 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.18 | - | ASTM D 792 |
| Moisture Absorption (est) | <0 | % ASTM D 570 | |
| Melt Flow Rate, 295°C/6.6 kgf | 12 | g/10 min | ASTM D 1238 |
| Matrix Tg | 168 | °C | DMA |
| Halogen Content | 0 | % S-Plastics Method | |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | 4.1E+16 | Ohm-cm | ASTM D 257 |
| Surface Resistivity | >1.E+15 | Ohm | ASTM D 257 |
| Dielectric Strength, in air, 3.2 mm | 16.1 | kV/mm | ASTM D 149 |
| Dielectric Strength, in oil, 3.2 mm | 16.3 | kV/mm | ASTM D 149 |
| Relative Permittivity, 50/60 Hz | 3.01 | - | ASTM D 150 |
| Relative Permittivity, 100 kHz | 2.7 | - | ASTM D 150 |
| Dissipation Factor, 50/60 Hz | 0.01 | - | ASTM D 150 |
| Dissipation Factor, 100 kHz | 0.0056 | - | ASTM D 150 |
| FLAME CHARACTERISTICS | Value | Unit | Standard |
| OSU peak heat release rate (5 minute test) | 140 | kW/m² | FAR 25.853 |
| Oxygen Index (LOI) | 46 | % ASTM D 2863 | |
| WIRE AND CABLE - UL 1581 tested on 2.0mm wire with 0.12mmx20 stranded copper |
Value | Unit | Standard |
| Cable Wall Thickness | 10 | mil | - |
| Tensile Strength (Wire/Cable), break | - | - | S-Plastics (UL1561) |
| Initial | 37 | MPa | - |
| Aged 1 week at 135°C | 38 | MPa | - |
| Tensile Strength Retention | 102 | % | - |
| Tensile Elongation (Wire/Cable), break | - | - | S-Plastics (UL1561) |
| Initial | 400 | % | - |
| Aged 1 week at 135°C | 370 | % | - |
| Tensile Elongation Retention | 94 | % | - |
| COMBUSTION CORROSIVITY | Value | Unit | Standard |
| Corrosion, 1 hr (2500 angstroms max) | 40 | angstrom | ASTM E5.2170 |
| Corrosion, 24 hrs | 122 | angstrom | ASTM E5.2170 |
| Corrosion, 6 days | 183 | angstrom | ASTM E5.2170 |
| Source GMD, last updated:01/05/2000 | |||
| Injection Molding | Value | Unit |
| Drying Temperature | 105 | °C |
| Drying Time | 4 - 6 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 300 - 320 | °C |
| Nozzle Temperature | 300 - 320 | °C |
| Front - Zone 3 Temperature | 295 - 315 | °C |
| Middle - Zone 2 Temperature | 295 - 315 | °C |
| Rear - Zone 1 Temperature | 295 - 315 | °C |
| Mold Temperature | 65 - 95 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 50 - 100 | rpm |
| Shot to Cylinder Size | 40 - 60 | % |
| Vent Depth | 0.025 - 0.076 | mm |
| Source GMD, last updated:01/05/2000 | ||
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For more information please download the datasheet |
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S-Plastics Ultem STM1500.pdf |
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