Sumitomo Bakelite North America RXÂ® 660 Fiberglass Reinforced Phenolic Novolac

Category	Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Glass Filled
Manufacturer	Sumitomo Bakelite North America
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Sumitomo Bakelite North America RXÂ® 660 Fiberglass Reinforced Phenolic Novolac.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

RXÂ 660 is a fiberglass reinforced phenolic molding compound, with good dimensional stability and good strength at elevated temperatures. Meets ASTM D-5948 Type MFH.Information supplied by Sumitomo Bak North America.

Physical Properties	Metric	English	Comments
Bulk Density	0.900 g/cc	0.0325 lb/inÂ³	Powder; ISO 60
Density	1.81 g/cc	0.0654 lb/inÂ³	ISO 1183
Water Absorption	0.060 %	0.060 %	ISO 62
Linear Mold Shrinkage	0.0020 cm/cm	0.0020 in/in	ISO 2577

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	85	85	ISO 2039/2
Tensile Strength, Ultimate	70.0 MPa	10200 psi	ISO 527
Flexural Strength	120 MPa	17400 psi	ISO 178
Flexural Modulus	17.0 GPa	2470 ksi	ISO 178
Compressive Strength	270 MPa	39200 psi	ISO 604
Charpy Impact Unnotched	0.570 J/cmÂ²	2.71 ft-lb/inÂ²	ISO 179
Charpy Impact, Notched	0.270 J/cmÂ²	1.28 ft-lb/inÂ²	ISO 179

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	23.0 Âµm/m-Â°C @Temperature 23.0 Â°C	12.8 Âµin/in-Â°F @Temperature 73.4 Â°F	TMA
CTE, linear, Transverse to Flow	26.8 Âµm/m-Â°C @Temperature 20.0 Â°C	14.9 Âµin/in-Â°F @Temperature 68.0 Â°F	TMA
Thermal Conductivity	0.690 W/m-K	4.79 BTU-in/hr-ftÂ²-Â°F	ASTM F433
Maximum Service Temperature, Air	180 Â°C	356 Â°F	UL Temperature Index; UL 746B
Deflection Temperature at 1.8 MPa (264 psi)	200 Â°C	392 Â°F	As Molded; ISO 75 A
	>= 282 Â°C	>= 540 Â°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

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.00e+13 ohm-cm	5.00e+13 ohm-cm	IEC 93
Surface Resistance	1.56e+13 ohm	1.56e+13 ohm	IEC 93
Dielectric Strength	24.9 kV/mm @Thickness 3.00 mm	632 kV/in @Thickness 0.118 in	IEC 243
Arc Resistance	180 sec	180 sec	ASTM D495
Comparative Tracking Index	200 V	200 V	IEC 112

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

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