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Sumitomo Bakelite Durez® 29502 Phenolic, Compression Grade

Category Polymer , Thermoset , Phenolic , Phenolic, Novolac, Glass Filled
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® 29502 Phenolic, Compression Grade.pdf
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Material Notes:
Durez 29502 Brown Phenolic is a two stage, asbestos free, glass filled, special purpose molding material. It is formulated for close tolerance applications such as transmission valve bodies, and disc brake pistons where good dimensional stability and compatibility with transmission and brake fluid is essential. This product can be ground to accurate finished dimensions.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Density 2.12 g/cc
0.0766 lb/in³
ASTM D792
Apparent Bulk Density 1.02 g/cc
0.0368 lb/in³
ASTM D1895
Water Absorption 0.050 %
0.050 %
ASTM D570
Linear Mold Shrinkage 0.0010 cm/cm
0.0010 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 48.0 MPa
6960 psi
ASTM D638
Tensile Modulus 20.7 GPa
3000 ksi
ASTM D638
Flexural Strength 83.0 MPa
12000 psi
Compressive Strength 207 MPa
30000 psi
ASTM D695
Izod Impact, Notched 0.210 J/cm
0.393 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 14.0 µm/m-°C

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

@Temperature 73.4 - 140 °F
Deflection Temperature at 1.8 MPa (264 psi) 191 °C
376 °F
ASTM D648
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+12 ohm-cm
1.00e+12 ohm-cm
ASTM D257
Dielectric Constant 5.4

@Frequency 1e+6 Hz
5.4

@Frequency 1e+6 Hz
ASTM D150
5.9

@Frequency 1000 Hz
5.9

@Frequency 1000 Hz
ASTM D150
Dielectric Strength 11.8 kV/mm
300 kV/in
Step by step; ASTM D149
14.8 kV/mm
376 kV/in
Short Time; ASTM D149
Dissipation Factor 0.010

@Frequency 1e+6 Hz
0.010

@Frequency 1e+6 Hz
ASTM D150
0.030

@Frequency 1000 Hz
0.030

@Frequency 1000 Hz
ASTM D150
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