SABIC SILTEM™ Resin STM1500 Polyetherimide (PEI) (Americas)

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SABIC SILTEM™ Resin STM1500 Polyetherimide (PEI) (Americas)
Categories:	Polymer; Thermoplastic; Polyetherimide (PEI)
Material Notes:	SILTEM™ STM1500 resin is a flexible polyetherimide(PEI)-siloxane copolymer for cable and wire coatings. RoHS compliant. Features: Low Corrosivity,High Tensile Elongation,Flexible,Chemical Resistance,Low Smoke and Toxicity,High Heat Resistance,Good dimensional stability,Flame Retardant,Non-Halogenated Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.18 g/cc	ASTM D792
Moisture Absorption	0.000 %	ASTM D570
	0.0200 %	Injection Molding
Halogen Content	0.00 %	SABIC method
Linear Mold Shrinkage, Flow	0.0135 cm/cm	SABIC method
Linear Mold Shrinkage, Transverse	0.0143 cm/cm	SABIC method
Melt Flow	12 g/10 min @Load 6.60 kg, Temperature 295 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength	37.0 MPa
	38.0 MPa	Aged 1 week at 135°C
Tensile Strength, Yield	28.0 MPa	50 mm/min; ASTM D638
Elongation at Break	100 %	50 mm/min; ASTM D638
Elongation at Yield	370 %	Aged 1 week at 135°C
	400 %
Flexural Modulus	380 MPa	2.6 mm/min, 100 mm span; ASTM D790
Taber Abrasion, mg/1000 Cycles	26	CS-17, 1 kg; ASTM D1044

Electrical Properties	Original Value	Comments
Volume Resistivity	4.10e+16 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+15 ohm	ASTM D257
Dielectric Constant	2.7 @Frequency 100000 Hz	ASTM D150
	3.01 @Frequency 50.0 - 60.0 Hz	ASTM D150
Dielectric Strength	16.1 kV/mm @Thickness 3.20 mm	in air; ASTM D149
	16.3 kV/mm @Thickness 3.20 mm	in oil; ASTM D149
Dissipation Factor	0.0056 @Frequency 100000 Hz	ASTM D150
	0.010 @Frequency 50.0 - 60.0 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Transformation Temperature, Tg	168 °C	DMA
Oxygen Index	46 %	ASTM D2863

Processing Properties	Original Value	Comments
Nozzle Temperature	300 - 320 °C
Zone 2	295 - 315 °C
Zone 3	295 - 315 °C
Melt Temperature	300 - 320 °C	Injection Molding
Mold Temperature	65.0 - 95.0 °C
Drying Temperature	105 °C	Injection Molding
Dry Time	4.00 - 6.00 hour	Injection Molding
	8.00 hour	Cumulative; Injection Molding
Back Pressure	0.300 - 0.700 MPa
Shot Size	40 - 60 %
Vent Depth	0.00250 - 0.00760 cm
Screw Speed	50 - 100 rpm

Descriptive Properties
Cable Wall Thickness	10 mil
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
OSU peak heat release rate (5 minute test)	140 kW/m²	FAR 25.853
Tensile Elongation Retention	94 %
Tensile Strength Retention	102 %

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PSABH82483 / 290430

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