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Ensinger PEI

DuPont™ Nomex® Type 994, 125 mil Nominal Thickness Rigid Aromatic Nylon Board
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon, Aromatic
Material Notes: Type 994 is a densified, rigid board which has a unique combination of superior resistance to compression, even at elevated temperatures, along with relatively high oil absorption characteristics. This combination results in a product which is especially useful as spacers or other structural components in liquid-filled systems.
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Physical PropertiesMetricEnglishComments
Density 1.15 g/cc0.0415 lb/in³Calculated number using basis weight and thickness
Thickness 3180 microns125 milASTM D374, method D, using 17 N/cm²
Linear Mold Shrinkage 0.00 cm/cm0.00 in/inASTM D3392
Linear Mold Shrinkage, Transverse 0.00 cm/cm0.00 in/inASTM D3392
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8484ASTM D2240
Film Tensile Strength at Yield, MD 107 MPa15500 psiASTM D828
Film Tensile Strength at Yield, TD 93.0 MPa13500 psiASTM D828
Flexural Strength 8.00 MPa1160 psiXD; ASTM D790
 9.00 MPa1310 psiMD; ASTM D790
Flexural Modulus 0.255 GPa37.0 ksiXD; ASTM D790
 0.360 GPa52.2 ksiMD; ASTM D790
Izod Impact, Unnotched 3.75 J/cm7.03 ft-lb/inXD; ASTM D256
 5.45 J/cm10.2 ft-lb/inMD; ASTM D256
Compression Set 0.30 %0.30 %ASTM D3392
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmin air; ASTM D257
 1.00e+15 ohm-cm
@Temperature 125 °C		1.00e+15 ohm-cm
@Temperature 257 °F		in oil; ASTM D257
 1.00e+17 ohm-cm
@Temperature 25.0 °C		1.00e+17 ohm-cm
@Temperature 77.0 °F		in oil; ASTM D257
Surface Resistivity per Square 1.00e+17 ohm1.00e+17 ohmin air; ASTM D257
Dielectric Constant 3.5
@Frequency 60 Hz		3.5
@Frequency 60 Hz		in air; ASTM D150
 4.0
@Frequency 60 Hz,
Temperature 25.0 °C		4.0
@Frequency 60 Hz,
Temperature 77.0 °F		in oil; ASTM D150
 4.4
@Frequency 60 Hz,
Temperature 125 °C		4.4
@Frequency 60 Hz,
Temperature 257 °F		in oil; ASTM D150
Dielectric Strength 27.0 kV/mm686 kV/inAC rapid rise in oil; ASTM D149, 50mm electrodes
 70.0 kV/mm1780 kV/inFull wave impulse in oil; ASTM D3426
Dissipation Factor 0.0070
@Frequency 60 Hz		0.0070
@Frequency 60 Hz		in air; ASTM D150
 0.011
@Frequency 60 Hz,
Temperature 25.0 °C		0.011
@Frequency 60 Hz,
Temperature 77.0 °F		in oil; ASTM D150
 0.016
@Frequency 60 Hz,
Temperature 125 °C		0.016
@Frequency 60 Hz,
Temperature 257 °F		in oil; ASTM D150
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity  0.160 W/m-K
@Temperature 50.0 °C		1.11 BTU-in/hr-ft²-°F
@Temperature 122 °F		ASTM D1674
 0.161 W/m-K
@Temperature 100 °C		1.12 BTU-in/hr-ft²-°F
@Temperature 212 °F		ASTM D1674
 0.163 W/m-K
@Temperature 150 °C		1.13 BTU-in/hr-ft²-°F
@Temperature 302 °F		ASTM D1674
 0.165 W/m-K
@Temperature 200 °C		1.15 BTU-in/hr-ft²-°F
@Temperature 392 °F		ASTM D1674
 
Descriptive Properties
Basis Weight (g/m²)ASTM D3394
Compressibility (%)1.1ASTM D3392

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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