SILTEM™ resin STM1500 - Americas

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SILTEM™ STM1500 resin is a flexible polyetherimide(PEI)-siloxane copolymer for cable and wire coatings. RoHS compliant.

This material data has been provided by Sabic.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts




Limiting oxygen index

23.0 °C

46 %

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23.0 °C

100 %

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ASTM D 638 | brk, Type I, 50 mm/min

Flexural modulus

23.0 °C

0.38 GPa

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ASTM D 790 | 2.6 mm/min, 100 mm span

Taber Abrasion

23.0 °C

26 mg/1000cy

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ASTM D 1044 | CS-17, 1 kg

Tensile strength

23.0 °C

28 MPa

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ASTM D 638 | yld, Type I, 50 mm/min




OSU peak heat release rate (5 minute test): 140kW/m² FAR 25.853



Dielectric strength

23.0 °C

16.1 kV/mm

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ASTM D 149 | in air, 3.2 mm

Sheet resistivity, ROA

23.0 °C

1.00E+15 Ω

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>, ASTM D 257

Volume resistivity

23.0 °C

4.10E+16 Ω·cm

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ASTM D 257

Technological properties

Application areas

Defense Vehicles, Document Handling, Air Cabin Interiors, Enclosures, Exterior Rail Components, Interior Rail Components, Wiring Devices, Wire & cable




Low Corrosivity, High Tensile Elongation, Flexible, Chemical Resistance, Low Smoke and Toxicity, High Heat Resistance, Good dimensional stability, Flame Retardant, Non-Halogenated

Processing methods

Back Pressure: 0.3 to 0.7MPa
Rear - Zone 1 Temperature: 295 to 315.0°C
Shot to Cylinder Size: 40 to 60.0%
Vent Depth: 0.025 to 0.076mm
Maximum Moisture Content: 0.02%
Middle - Zone 2 Temperature: 295 to 315.0°C
Drying Temperature: 105°C
Nozzle Temperature: 300 to 320.0°C
Melt Temperature: 300 to 320.0°C
Front - Zone 3 Temperature: 295 to 315.0°C
Drying Time: 4 to 6.0hrs
Drying Time (Cumulative): 8hrs
Mold Temperature: 65 to 95.0°C
Screw Speed: 50 to 100.0rpm

Supplier Disclaimer

While the information is provided in good faith, SABIC MAKES NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING MERCHANTABILITY AND NONINFRINGEMENT OF INTELLECTUAL PROPERTY, NOR ASSUMES ANY LIABILITY, DIRECT OR INDIRECT, WITH RESPECT TO THE PERFORMANCE, SUITABILITY OR FITNESS FOR INTENDED USE OR PURPOSE OF THESE PRODUCTS IN ANY APPLICATION. Each Buyer must determine the suitability of SABIC's materials for the Buyer's particular use through appropriate testing and analysis. No statement by SABIC concerning a possible use of any product, service or design is intended, or should be construed, to grant any license under any patent or other intellectual property right.