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Ensinger PEI

Sumitomo Bakelite North America 775 CAF Mineral Filled Diallyl Phthalate
Categories: Polymer; Thermoset; Diallyl Phthalate (DAP); Diallyl Phthalate (DAP), Cast, Mineral Filler; Filled/Reinforced Thermoset
Material Notes: Ortho Resin Isomer (DAP). Used for critical, high-performance military and commercial electrical components where long-term reliability is demanded.

Information provided by Sumitomo Bakelite North America, Inc.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.67 g/cc0.0603 lb/in³ASTM D792
Apparent Bulk Density 0.600 g/cc0.0217 lb/in³
Water Absorption 0.65 %0.65 %48 hours, 50°C. ASTM D570
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm0.0050 - 0.0070 in/inCompression Molding. ASTM D955
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 52.0 MPa7540 psiASTM D638
Flexural Yield Strength 103 MPa14900 psiASTM D790
Flexural Modulus 6.90 GPa1000 ksiASTM D790
Compressive Yield Strength 145 MPa21000 psiASTM D695
Izod Impact, Notched 0.210 J/cm0.393 ft-lb/inASTM D256A
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant  4.5
@Frequency 1e+6 Hz		4.5
@Frequency 1e+6 Hz		Wet
 4.7
@Frequency 1000 Hz		4.7
@Frequency 1000 Hz		Wet
Dielectric Strength 16.0 kV/mm406 kV/inWet, step-by-step. ASTM D149
 17.0 kV/mm432 kV/inWet, short term. ASTM D149
Dissipation Factor  0.020
@Frequency 1000 Hz		0.020
@Frequency 1000 Hz		Wet; ASTM D150
 0.025
@Frequency 1e+6 Hz		0.025
@Frequency 1e+6 Hz		Wet; ASTM D150
Arc Resistance 138 sec138 secASTM D495
Comparative Tracking Index >= 600 V>= 600 VUL746A, ASTM D3638
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 34.0 µm/m-°C
@Temperature 20.0 °C		18.9 µin/in-°F
@Temperature 68.0 °F		ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 163 °C325 °FASTM D648A
Oxygen Index 24 %24 %ASTM D2863
 
Processing PropertiesMetricEnglishComments
Processing Temperature 160 - 180 °C320 - 356 °FMold temperature

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PROG31 / 66242

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