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Sumitomo Bakelite Durez® 23570 Phenolic, Compression Grade

Category Polymer , Thermoset , Phenolic
Manufacturer Sumitomo Bakelite High Peformance Plastics
Trade Name Durez®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sumitomo Bakelite Durez® 23570 Phenolic, Compression Grade.pdf
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Material Notes:
Durez 23570 Black Phenolic is a glass and mineral filled two-stage, special purpose molding material. It is designed for high strength, good dimensional stability, and electrical properties even after long term exposure to elevated temperatures. It is designed to meet the requirements of Mil-M-14G, Type MFH. Typical uses are connectors, automotive transmission components, computer parts and brush holders.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Density 1.77 g/cc
0.0639 lb/in³
ASTM D792
Apparent Bulk Density 0.800 g/cc
0.0289 lb/in³
ASTM D1895
Water Absorption 0.050 %
0.050 %
ASTM D570
Linear Mold Shrinkage 0.0030 cm/cm
0.0030 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 90.0 MPa
13100 psi
ASTM D638
Tensile Modulus 17.2 GPa
2490 ksi
ASTM D638
Flexural Yield Strength 124 MPa
18000 psi
ASTM D790
Compressive Yield Strength 248 MPa
36000 psi
ASTM D695
Poissons Ratio 0.32
0.32
Shear Modulus 6.52 GPa
946 ksi
Calculated
Shear Strength 62.7 MPa
9100 psi
after 16hrs @ 300°F
84.8 MPa
12300 psi
as molded
Izod Impact, Notched 0.267 J/cm
0.500 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 20.5 µm/m-°C

@Temperature 23.0 - 60.0 °C
11.4 µin/in-°F

@Temperature 73.4 - 140 °F
Specific Heat Capacity 1.17 J/g-°C
0.280 BTU/lb-°F
Thermal Conductivity 0.452 W/m-K
3.13 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 150 °C

@Thickness 3.00 mm
302 °F

@Thickness 0.118 in
UL Temp Index
Deflection Temperature at 1.8 MPa (264 psi) 204 °C
399 °F
ASTM D648
Flammability, UL94 V-0

@Thickness 3.00 mm
V-0

@Thickness 0.118 in
5VA

@Thickness 1.50 mm
5VA

@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 5.5

@Frequency 1e+6 Hz
5.5

@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 14.7 kV/mm
373 kV/in
Step by step; ASTM D149
16.7 kV/mm
424 kV/in
Short Time; ASTM D149
Dissipation Factor 0.010

@Frequency 1e+6 Hz
0.010

@Frequency 1e+6 Hz
ASTM D150
Descriptive Properties Value Comments
Color Black
Feeding & Preforming Good
Form Granular
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