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Sumitomo Bakelite Durez® 156 Phenolic, Compression Grade

Category Polymer , Thermoset , Phenolic , Phenolic, Novolac, Mineral/Fiber Filled
Manufacturer Sumitomo Bakelite High Peformance Plastics
Trade Name Durez®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite Durez® 156 Phenolic, Compression Grade.pdf
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Material Notes:
Durez 156 Black Phenolic is a two-stage, asbestos-free, heat resistant/electrical molding material. It exhibits excellent dimensional stability, high heat resistance, good molded appearance, and UL flammability rating. Typical applications include automotive carburetor spacers, sealing rings, thrust washers, speedometer sleeves, appliance terminals, probe controls, insulators, light baffles, etc.Durez 156 is fungus resistant per Mil-E-5272C.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Density 1.58 g/cc
0.0571 lb/in³
ASTM D792
Apparent Bulk Density 0.650 g/cc
0.0235 lb/in³
ASTM D1895
Water Absorption 0.30 %
0.30 %
ASTM D570
Linear Mold Shrinkage 0.0040 cm/cm
0.0040 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 41.0 MPa
5950 psi
ASTM D638
Tensile Modulus 10.3 GPa
1490 ksi
ASTM D638
Flexural Strength 72.0 MPa
10400 psi
Compressive Strength 196 MPa
28400 psi
ASTM D695
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 160 °C
320 °F
UL temperature Index
Deflection Temperature at 1.8 MPa (264 psi) 191 °C
376 °F
ASTM D648
Flammability, UL94 V-1

@Thickness 0.500 mm
V-1

@Thickness 0.0197 in
V-0

@Thickness 1.50 mm
V-0

@Thickness 0.0591 in
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+12 ohm-cm
1.00e+12 ohm-cm
ASTM D257
Dielectric Constant 5.0

@Frequency 1e+6 Hz
5.0

@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 10.8 kV/mm
274 kV/in
Step by step; ASTM D149
11.8 kV/mm
300 kV/in
Short Time; ASTM D149
Dissipation Factor 0.050

@Frequency 1e+6 Hz
0.050

@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 180 sec
180 sec
ASTM D495
Comparative Tracking Index 180 V
180 V
IEC Tracking Index
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