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Ensinger PEI

Cosmic Plastics D72/6120F Short Glass Fiber Filled Diallyl Iso-Phthalate Molding Compound
Categories: Polymer; Thermoset; Diallyl Phthalate (DAP); Diallyl Phthalate (DAP) Molding Compound, Short Glass Fiber Filled
Material Notes: Description: Cosmic D72 is a short glass fiber filled, flame retardant, general purpose diiallyl ortho phthalate molding compound which is supplied in a free flowing granular form. It can be easily molded in compression, transfer, or injection equipment and can be readily preformed. It has passed NASA outgassing tests.

Features: D72 has a high dielectric strength, low dissipation factor along with excellent flexural and tensile strength.

Applications: Switches, terminals, insulators, cups, cases and other applications requiring flame resistance and strength. Also useful for encapsulation of electrical and electronic components. Suitable for thin-walled parts.

Information provided by Cosmic Plastics 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
Specific Gravity 1.82 g/cc1.82 g/cc
Bulk Factor 2.52.5
Water Absorption 0.25 %
@Temperature 50.0 °C,
Time 173000 sec		0.25 %
@Temperature 122 °F,
Time 48.0 hour
Linear Mold Shrinkage 0.0010 - 0.0040 cm/cm0.0010 - 0.0040 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 41.4 - 68.9 MPa6000 - 10000 psi
Flexural Strength 89.6 - 103 MPa13000 - 15000 psi
Compressive Strength 165 - 179 MPa24000 - 26000 psi
Izod Impact, Notched 0.267 - 0.641 J/cm0.500 - 1.20 ft-lb/in
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+16 ohm-cm>= 1.00e+16 ohm-cm
 1.00e+10 ohm-cm
@Temperature 70.0 °C,
Time 2.59e+6 sec		1.00e+10 ohm-cm
@Temperature 158 °F,
Time 720 hour		100% RH
Surface Resistance >= 1.00e+16 ohm>= 1.00e+16 ohm
 1.00e+10 ohm
@Temperature 70.0 °C,
Time 2.59e+6 sec		1.00e+10 ohm
@Temperature 158 °F,
Time 720 hour		100% RH
Dielectric Constant  4.0
@Frequency 1e+6 Hz		4.0
@Frequency 1e+6 Hz		Dry
 4.2
@Frequency 1000 Hz		4.2
@Frequency 1000 Hz		Dry
 4.2
@Frequency 1e+6 Hz		4.2
@Frequency 1e+6 Hz		Wet
 4.3
@Frequency 1000 Hz		4.3
@Frequency 1000 Hz		Wet
Dielectric Strength 13.4 kV/mm340 kV/inWet, step by step
 15.0 kV/mm380 kV/inDry, step by step
Dielectric Breakdown 60 V60 VWet, step by step
 62 V62 VDry, step by step
Dissipation Factor  0.0070
@Frequency 1000 Hz		0.0070
@Frequency 1000 Hz		Dry
 0.011
@Frequency 1000 Hz		0.011
@Frequency 1000 Hz		Wet
 0.013
@Frequency 1e+6 Hz		0.013
@Frequency 1e+6 Hz		Dry
 0.015
@Frequency 1e+6 Hz		0.015
@Frequency 1e+6 Hz		Wet
Arc Resistance 145 sec145 sec
 
Thermal PropertiesMetricEnglishComments
CTE, linear 16.0 µm/m-°C
@Temperature -40.0 - 100 °C		8.89 µin/in-°F
@Temperature -40.0 - 212 °F
Heat Distortion Temperature 260 °C500 °F
Flammability, UL94 V-0
@Thickness 3.17 mm		V-0
@Thickness 0.125 in
 
Processing PropertiesMetricEnglishComments
Mold Temperature 135 - 190 °C275 - 374 °F
 
Descriptive Properties
Dimensional Stability<0.01%
MIL-M-14SDG-FASTM D5948-96
Molding Pressure500-8000 psi

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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