Sumitomo Bakelite Durez® 118 Phenolic, Injection Grade

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Sumitomo Bakelite Durez® 118 Phenolic, Injection Grade
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Durez 118 Black Phenolic is a two-stage, asbestos free, general purpose molding material. It exhibits improved impact strength and resistance to flexural fatigue for demanding automotive, electrical and appliance applications. Shrinkage and mechanical strengths are closely controlled to meet part reliability requirements. Information provided by Sumitomo Bakelite North America, Inc.
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Physical Properties	Metric	English	Comments

Density	1.40 g/cc	0.0506 lb/in³	ASTM D792
Apparent Bulk Density	0.580 g/cc	0.0210 lb/in³	ASTM D1895
Water Absorption	0.50 %	0.50 %	ASTM D570
Linear Mold Shrinkage	0.011 cm/cm	0.011 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	48.0 MPa	6960 psi	ASTM D638
Tensile Modulus	8.30 GPa	1200 ksi	ASTM D638
Flexural Strength	69.0 MPa	10000 psi
Compressive Strength	207 MPa	30000 psi	ASTM D695

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+11 ohm-cm	1.00e+11 ohm-cm	ASTM D257
Dielectric Constant	5.5 @Frequency 1e+6 Hz	5.5 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	6.90 kV/mm	175 kV/in	Step by step; ASTM D149
	8.80 kV/mm	224 kV/in	Short Time; ASTM D149
Dissipation Factor	0.060 @Frequency 1e+6 Hz	0.060 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	150 °C	302 °F	UL temperature Index
Deflection Temperature at 1.8 MPa (264 psi)	149 °C	300 °F	ASTM D648
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in
	V-1 @Thickness 3.00 mm	V-1 @Thickness 0.118 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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P90X03 / 21120

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