DuPont™ Nomex® Type 994, 125 mil Nominal Thickness Rigid Aromatic Nylon Board

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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 Properties	Original Value	Comments

Density	1.15 g/cc	Calculated number using basis weight and thickness
Thickness	3180 microns	ASTM D374, method D, using 17 N/cm²
Linear Mold Shrinkage	0.00 cm/cm	ASTM D3392
Linear Mold Shrinkage, Transverse	0.00 cm/cm	ASTM D3392

Mechanical Properties	Original Value	Comments
Hardness, Shore D	84	ASTM D2240
Film Tensile Strength at Yield, MD	107 MPa	ASTM D828
Film Tensile Strength at Yield, TD	93.0 MPa	ASTM D828
Flexural Strength	8.00 MPa	XD; ASTM D790
	9.00 MPa	MD; ASTM D790
Flexural Modulus	255 MPa	XD; ASTM D790
	360 MPa	MD; ASTM D790
Izod Impact, Unnotched	3.75 J/cm	XD; ASTM D256
	5.45 J/cm	MD; ASTM D256
Compression Set	0.30 %	ASTM D3392

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	in air; ASTM D257
	1.00e+15 ohm-cm @Temperature 125 °C	in oil; ASTM D257
	1.00e+17 ohm-cm @Temperature 25.0 °C	in oil; ASTM D257
Surface Resistivity per Square	1.00e+17 ohm	in air; ASTM D257
Dielectric Constant	3.5 @Frequency 60 Hz	in air; ASTM D150
	4.0 @Frequency 60 Hz, Temperature 25.0 °C	in oil; ASTM D150
	4.4 @Frequency 60 Hz, Temperature 125 °C	in oil; ASTM D150
Dielectric Strength	27.0 kV/mm	AC rapid rise in oil; ASTM D149, 50mm electrodes
	70.0 kV/mm	Full wave impulse in oil; ASTM D3426
Dissipation Factor	0.0070 @Frequency 60 Hz	in air; ASTM D150
	0.011 @Frequency 60 Hz, Temperature 25.0 °C	in oil; ASTM D150
	0.016 @Frequency 60 Hz, Temperature 125 °C	in oil; ASTM D150

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.160 W/m-K @Temperature 50.0 °C	ASTM D1674
	0.161 W/m-K @Temperature 100 °C	ASTM D1674
	0.163 W/m-K @Temperature 150 °C	ASTM D1674
	0.165 W/m-K @Temperature 200 °C	ASTM D1674

Descriptive Properties
Basis Weight (g/m²)	ASTM D3394
Compressibility (%)	1.1	ASTM 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 go back to viewing the property data in MatWeb's normal format.

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