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Sumitomo Bakelite North America RX® 680 Fiberglass and Glass Reinforced Phenolic

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Glass Filled
Manufacturer Sumitomo Bakelite North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite North America RX® 680 Fiberglass and Glass Reinforced Phenolic.pdf
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Material Notes:
RX 680 is a fiberglass and glass bead filled phenolic molding compound, with good dimensional stability and good strength at elevated temperatures.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Bulk Density 0.700 g/cc
0.0253 lb/in³
ISO 60
Density 1.72 g/cc
0.0621 lb/in³
ISO 1183
Water Absorption 0.060 %
0.060 %
ISO 62
Linear Mold Shrinkage 0.0035 cm/cm
0.0035 in/in
ISO 2577
Mechanical Properties Metric English Comments
Hardness, Rockwell E 95
ISO 2039/2
Tensile Strength at Break 75.0 MPa
10900 psi
ISO 527
Flexural Strength 165 MPa
23900 psi
ISO 178
Flexural Modulus 14.0 GPa
2030 ksi
ISO 178
Compressive Strength 310 MPa
45000 psi
ISO 604
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 12.0 µm/m-°C
6.67 µin/in-°F
CTE, linear, Transverse to Flow 33.0 µm/m-°C
18.3 µin/in-°F
Deflection Temperature at 1.8 MPa (264 psi) 190 °C
374 °F
As Molded; ISO 75A
>= 282 °C
>= 540 °F
Post Baked; ISO 75A
Descriptive Properties Value Comments
Color Black
Form Granular
Molding Method Compression
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