Mitsubishi Novaduran® SEF-500T Polybutylene Terephthalate

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Mitsubishi Novaduran® SEF-500T Polybutylene Terephthalate
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes:	Non-bromine high tracking resistance. Unreinforced flame retardant grade. Excellent mechanical properties. Excellent heat resistance. Excellent moldability and flowability. Low moisture absorption rate for high dimensional stability. Excellent surface gloss and color. Excellent oil and chemical resistance. Excellent electrical properties. Excellent friction and abrasion resistance. Flame retardant grades also available. Information provided by Mitsubishi Engineering Plastics Corporation.
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Physical Properties	Metric	English	Comments

Density	1.31 g/cc	0.0473 lb/in³	ISO 1183
Water Absorption	0.080 % @Temperature 23.0 °C	0.080 % @Temperature 73.4 °F	Immersion
Linear Mold Shrinkage, Flow	0.022 cm/cm @Thickness 2.00 mm	0.022 in/in @Thickness 0.0787 in	100 mm long x 100 mm wide
Linear Mold Shrinkage, Transverse	0.018 cm/cm @Thickness 2.00 mm	0.018 in/in @Thickness 0.0787 in	100 mm long x 100 mm wide

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	35.0 MPa	5080 psi	ISO 527-1,2
Elongation at Break	40 %	40 %	ISO 527-1,2
Tensile Modulus	2.70 GPa	392 ksi	ISO 527-1,2
Flexural Strength	62.0 MPa	8990 psi	ISO 178
Flexural Modulus	2.20 GPa	319 ksi	ISO 178
Charpy Impact Unnotched	6.20 J/cm²	29.5 ft-lb/in²	ISO 179-1
Charpy Impact, Notched	0.600 J/cm²	2.86 ft-lb/in²	ISO 179-2

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm	IEC 60093
Dielectric Constant	3.5 @Frequency 1e+6 Hz	3.5 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	22.0 kV/mm @Thickness 2.00 mm	559 kV/in @Thickness 0.0787 in	IEC 60243-1
Dissipation Factor	0.019 @Frequency 1e+6 Hz	0.019 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	400 - 600 V	400 - 600 V	UL746A

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C @Temperature -30.0 - 50.0 °C	61.1 µin/in-°F @Temperature -22.0 - 122 °F	ISO 11359-2
	140 µm/m-°C @Temperature -30.0 - 120 °C	77.8 µin/in-°F @Temperature -22.0 - 248 °F	ISO 11359-2
	170 µm/m-°C @Temperature 50.0 - 120 °C	94.4 µin/in-°F @Temperature 122 - 248 °F	ISO 11359-2
CTE, linear, Transverse to Flow	110 µm/m-°C @Temperature -30.0 - 50.0 °C	61.1 µin/in-°F @Temperature -22.0 - 122 °F	ISO 11359-2
	140 µm/m-°C @Temperature -30.0 - 120 °C	77.8 µin/in-°F @Temperature -22.0 - 248 °F	ISO 11359-2
	160 µm/m-°C @Temperature 50.0 - 120 °C	88.9 µin/in-°F @Temperature 122 - 248 °F	ISO 11359-2
Melting Point	224 °C	435 °F	ISO 11357-3
Deflection Temperature at 0.46 MPa (66 psi)	180 °C	356 °F	ISO 75-1,2
Deflection Temperature at 1.8 MPa (264 psi)	86.0 °C	187 °F	ISO 75-1,2
Flammability, UL94	V-0 @Thickness 0.750 mm	V-0 @Thickness 0.0295 in

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PMITSU9054 / 191727

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