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Sumitomo Bakelite North America RX® 852 Novolac Phenolic

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 RX® 852 Novolac Phenolic.pdf
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Material Notes:
Fiberglass reinforced phenolic novolac compound with good dimensional stability and good strength at elevated temperatures.Information provided by Vyncolit, a Sumitomo Bak Group
Physical Properties Metric English Comments
Bulk Density 0.700 g/cc
0.0253 lb/in³
Powder Density; ISO 60
Density 1.86 g/cc
0.0672 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 90
90
ISO 2039/2
Tensile Strength at Break 70.0 MPa
10200 psi
ISO 527
Flexural Strength 130 MPa
18900 psi
At Rupture; ISO 178
Flexural Modulus 19.0 GPa
2760 ksi
ISO 178
Compressive Strength 215 MPa
31200 psi
ISO 604
Izod Impact, Notched (ISO) 4.00 kJ/m²
1.90 ft-lb/in²
ISO 180
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 23.0 µm/m-°C

@Temperature 20.0 °C
 12.8 µin/in-°F

@Temperature 68.0 °F
 ASTM E-831
CTE, linear, Transverse to Flow 42.0 µm/m-°C

@Temperature 20.0 °C
 23.3 µin/in-°F

@Temperature 68.0 °F
 ASTM E-831
Thermal Conductivity 0.680 W/m-K
4.72 BTU-in/hr-ft²-°F
ASTM C-518
Deflection Temperature at 1.8 MPa (264 psi) 225 °C
437 °F
As molded; ISO 75 A
>= 282 °C
>= 540 °F
Post Baked; ISO 75 A
Electrical Properties Metric English Comments
Dielectric Strength 12.5 kV/mm
318 kV/in
60Hz, Short Time, dry; ASTM D149
Arc Resistance 180 sec
180 sec
ASTM D495
Descriptive Properties Value Comments
Color Black
Form Flake
Main Filler Glass Fiber
Molding Method Compression, transfer, injection
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