Sumitomo Bakelite North America RX® 790 Fiberglass Reinforced Phenolic Novolac

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Sumitomo Bakelite North America RX® 790 Fiberglass Reinforced Phenolic Novolac
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Glass Filled
Material Notes:	RX® 790 is a fiberglass reinforced phenolic novolac compound, featuring a good balance of strength and toughness. Information supplied by Sumitomo Bakelite North America.
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Physical Properties	Metric	English	Comments

Bulk Density	0.800 g/cc	0.0289 lb/in³	Powder; ISO 60
Density	1.73 g/cc	0.0625 lb/in³	ISO 1183
Water Absorption	0.060 %	0.060 %	ISO 62
Linear Mold Shrinkage	0.00050 cm/cm	0.00050 in/in	ISO 2577

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	95	95	ISO 2039/2
Tensile Strength, Ultimate	105 MPa	15200 psi	ISO 527
Flexural Strength	215 MPa	31200 psi	ISO 178
Flexural Modulus	16.0 GPa	2320 ksi	ISO 178
Compressive Strength	380 MPa	55100 psi	ISO 604
Charpy Impact, Notched	0.350 J/cm²	1.67 ft-lb/in²	ISO 179

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.5 kV/mm @Thickness 3.00 mm	343 kV/in @Thickness 0.118 in	IEC 243
Arc Resistance	145 sec	145 sec	ASTM D495
Comparative Tracking Index	175 V	175 V	IEC 112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	16.0 µm/m-°C @Temperature 23.0 °C	8.89 µin/in-°F @Temperature 73.4 °F	TMA
Thermal Conductivity	0.580 W/m-K	4.03 BTU-in/hr-ft²-°F	ASTM F433
Deflection Temperature at 1.8 MPa (264 psi)	215 °C	419 °F	As Molded; ISO 75 A
	>= 282 °C	>= 540 °F	Post Baked; ISO 75 A

Descriptive Properties
Available Molding Grades	Compression, Transfer, Injection
Color	Black, Green
Form	Granular

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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