Sumitomo Bakelite North America RX® 865M Novolac Phenolic

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Sumitomo Bakelite North America RX® 865M Novolac Phenolic
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Glass Filled
Material Notes:	Fiberglass reinforced phenolic novolac compound featuring dimensional stability, moderate impact resistance, good strength and modulus. Information provided by Vyncolit, a Sumitomo Bakelite Group
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Physical Properties	Metric	English	Comments

Bulk Density	0.650 g/cc	0.0235 lb/in³	Powder Density; ISO 60
Density	1.88 g/cc	0.0679 lb/in³	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0010 cm/cm	0.0010 in/in	Compression Molding; ISO 2577

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	95	95	ISO 2039/2
Tensile Strength at Break	65.0 MPa	9430 psi	ISO 527
Flexural Strength	135 MPa	19600 psi	At Rupture; ISO 178
Flexural Modulus	20.0 GPa	2900 ksi	ISO 178
Compressive Strength	265 MPa	38400 psi	ISO 604
Izod Impact, Notched (ISO)	4.50 kJ/m²	2.14 ft-lb/in²	ISO 180

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.5 kV/mm	343 kV/in	60Hz, Short Time, dry; ASTM D149
Arc Resistance	185 sec	185 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	17.0 µm/m-°C @Temperature 20.0 °C	9.44 µin/in-°F @Temperature 68.0 °F	ASTM E-831
CTE, linear, Transverse to Flow	39.0 µm/m-°C @Temperature 20.0 °C	21.7 µin/in-°F @Temperature 68.0 °F	ASTM E-831
Thermal Conductivity	0.740 W/m-K	5.14 BTU-in/hr-ft²-°F	ASTM C-518
Maximum Service Temperature, Air	150 °C	302 °F	UL 746B
Deflection Temperature at 1.8 MPa (264 psi)	>= 282 °C	>= 540 °F	Post Baked; ISO 75 A
Flammability, UL94	V-0 @Thickness 1.60 mm	V-0 @Thickness 0.0630 in
	V-0 @Thickness 3.20 mm	V-0 @Thickness 0.126 in

Descriptive Properties
Color	Black
Form	Flake
Main Filler	Glass Fiber
Molding Method	Compression, transfer, injection

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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PVYNC022 / 72230

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