Sumitomo Bakelite North America RX® 640 Fiberglass Reinforced Phenolic Resole

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Sumitomo Bakelite North America RX® 640 Fiberglass Reinforced Phenolic Resole
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Resole, Glass Fiber Filled
Material Notes:	RX® 640 is a fiberglass reinforced, ammonia-free, phenolic resole compound, with good dimensional stability and good strength at elevated temperatures. Meets ASTM D-5948 Type GPI-5. Information supplied by Sumitomo Bakelite North America.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Bulk Density	0.80 g/cc	0.029 lb/in³	Powder; ASTM D1895
Density	1.76 g/cc	0.0636 lb/in³	ASTM D792
Water Absorption	0.06 % @Time 86000 sec	0.06 % @Time 24 hour	ASTM D570
	0.22 % @Time 170000 sec	0.22 % @Time 48 hour	ASTM D570
Linear Mold Shrinkage	0.002 cm/cm	0.002 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell E	90	90	ASTM D785
Tensile Strength, Ultimate	86 MPa	12000 psi	ISO 527
Flexural Strength	186 MPa	27000 psi	ISO 178
Flexural Modulus	14.5 GPa	2100 ksi	ISO 178
Compressive Strength	248 MPa	36000 psi	ISO 604
Charpy Impact, Notched	0.40 J/cm²	1.9 ft-lb/in²	ISO 179

Electrical Properties	Metric	English	Comments
Dielectric Strength	11.8 kV/mm @Frequency 60 Hz	300 kV/in @Frequency 60 Hz	Wet, step-by-step; ASTM D149
	14.0 kV/mm @Frequency 60 Hz	356 kV/in @Frequency 60 Hz	Wet, short time; ASTM D149
Arc Resistance	160 sec	160 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	14.0 µm/m-°C @Temperature 23.0 °C	7.78 µin/in-°F @Temperature 73.4 °F	TMA; ASTM E381
Thermal Conductivity	0.550 W/m-K	3.82 BTU-in/hr-ft²-°F	ASTM F433
Maximum Service Temperature, Air	150 °C	302 °F	UL Temperature Index; UL 746B
Deflection Temperature at 1.8 MPa (264 psi)	280 °C	536 °F	As Molded; ASTM D648A
	>= 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
Available Molding Grades	Compression, Transfer, Injection
Color	Black
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.

Users viewing this material also viewed the following:
Sumitomo Bakelite RX® 643 Phenolic Resole Compound
Sumitomo Bakelite RX® 647 Phenolic Resole Compound
Sumitomo Bakelite Durez® 118 Phenolic, Compression Grade
Sumitomo Bakelite Durez® 32962 Phenolic Molding Compound, Compression Grade
Sumitomo Bakelite North America RX® 853G Fiberglass Reinforced Phenolic Novolac

P90XR03 / 21217

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message