Sumitomo Bakelite Durez® 156 Phenolic, Injection Grade

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Sumitomo Bakelite Durez® 156 Phenolic, Injection Grade
Categories:	Polymer; Thermoset; Phenolic; Phenolic, Novolac, Mineral/Fiber Filled
Material Notes:	Durez 156 Black Phenolic is a two-stage, asbestos-free, heat resistant/electrical molding material. It exhibits excellent dimensional stability, high heat resistance, good molded appearance, and UL flammability rating. Typical applications include automotive carburetor spacers, sealing rings, thrust washers, speedometer sleeves, appliance terminals, probe controls, insulators, light baffles, etc. Durez 156 is fungus resistant per Mil-E-5272C. Information provided by Sumitomo Bakelite North America, Inc.
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Physical Properties	Metric	English	Comments

Density	1.54 g/cc	0.0556 lb/in³	ASTM D792
Apparent Bulk Density	0.650 g/cc	0.0235 lb/in³	ASTM D1895
Water Absorption	0.30 %	0.30 %	ASTM D570
Linear Mold Shrinkage	0.0080 cm/cm	0.0080 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	52.0 MPa	7540 psi	ASTM D638
Tensile Modulus	10.3 GPa	1490 ksi	ASTM D638
Flexural Strength	83.0 MPa	12000 psi
Compressive Strength	194 MPa	28100 psi	ASTM D695

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+12 ohm-cm	1.00e+12 ohm-cm	ASTM D257
Dielectric Constant	5.5 @Frequency 1e+6 Hz	5.5 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	11.8 kV/mm	300 kV/in	Step by step; ASTM D149
	13.8 kV/mm	351 kV/in	Short Time; ASTM D149
Dissipation Factor	0.050 @Frequency 1e+6 Hz	0.050 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	180 sec	180 sec	ASTM D495
Comparative Tracking Index	180 V	180 V	IEC Tracking Index

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	150 °C	302 °F	UL temperature Index
Deflection Temperature at 1.8 MPa (264 psi)	191 °C	376 °F	ASTM D648
Flammability, UL94	V-1 @Thickness 0.500 mm	V-1 @Thickness 0.0197 in
	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 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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P90X13 / 21130

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