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Sumitomo Bakelite Durez® 29502 B 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 B Phenolic, Compression Grade.pdf
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Material Notes:
Durez 29502 B brown phenolic is a two stage, glass and mineral filled, special purpose molding material with improved mechanical and heat resistant properties. It is formulated for close tolerance applications such as disc brake pistons where good dimensional stability and compatibility with various automotive fluids are essential. This product can be ground to accurate finished dimensions.Information provided by Sumitomo Bak North America, Inc.
Physical Properties Metric English Comments
Density 2.10 g/cc
0.0759 lb/in³
ASTM D792
Apparent Bulk Density 1.00 g/cc
0.0361 lb/in³
ASTM D1895
Water Absorption 0.030 %
0.030 %
ASTM D570
Linear Mold Shrinkage 0.0010 cm/cm
0.0010 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 65.0 MPa
9430 psi
ASTM D638
Tensile Modulus 23.0 GPa
3340 ksi
ASTM D638
Flexural Yield Strength 114 MPa
16500 psi
Compressive Yield Strength 338 MPa
49000 psi
ASTM D695
Izod Impact, Notched 0.214 J/cm
0.401 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 15.0 µm/m-°C

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

@Temperature 73.4 - 140 °F
Deflection Temperature at 1.8 MPa (264 psi) 204 °C
399 °F
ASTM D648
Glass Transition Temp, Tg 280 °C
536 °F
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 11.8 kV/mm
300 kV/in
Step by step; ASTM D149
13.8 kV/mm
351 kV/in
Short Time; ASTM D149
Dissipation Factor 0.015

@Frequency 1e+6 Hz
0.015

@Frequency 1e+6 Hz
ASTM D150
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