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DuPont™ Nomex® Type 994, 250 mil Nominal Thickness Rigid Aromatic Nylon Board

Category Polymer , Thermoplastic , Nylon , Nylon, Aromatic
Manufacturer DuPont
Trade Name Nomex®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont™ Nomex® Type 994, 250 mil Nominal Thickness Rigid Aromatic Nylon Board.pdf
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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.Information provided by DuPont
Physical Properties Metric English Comments
Density 1.13 g/cc
0.0408 lb/in³
Calculated number using basis weight and thickness
Thickness 6340 microns
250 mil
ASTM D374, method D, using 17 N/cm²
Linear Mold Shrinkage 0.0020 cm/cm

@Temperature 240 °C
0.0020 in/in

@Temperature 464 °F
ASTM D3392
Linear Mold Shrinkage, Transverse 0.0020 cm/cm

@Temperature 240 °C
0.0020 in/in

@Temperature 464 °F
ASTM D3392
Mechanical Properties Metric English Comments
Hardness, Shore D 84
84
ASTM D2240
Film Tensile Strength at Yield, MD 110 MPa
16000 psi
ASTM D828
Film Tensile Strength at Yield, TD 72.0 MPa
10400 psi
ASTM D828
Flexural Strength 8.00 MPa
1160 psi
XD; ASTM D790
9.00 MPa
1310 psi
MD; ASTM D790
Flexural Modulus 0.365 GPa
52.9 ksi
XD; ASTM D790
0.415 GPa
60.2 ksi
MD; ASTM D790
Izod Impact, Unnotched 2.85 J/cm
5.34 ft-lb/in
XD; ASTM D256
3.55 J/cm
6.65 ft-lb/in
MD; ASTM D256
Compression Set 0.20 %
0.20 %
ASTM D3392
Thermal Properties Metric English Comments
Oxygen Index 20.8 %

@Temperature 380 °C
20.8 %

@Temperature 716 °F
Flammability threshold; ASTM D2863
29 %

@Temperature 220 °C
29 %

@Temperature 428 °F
ASTM D2863
39 %

@Temperature 25.0 °C
39 %

@Temperature 77.0 °F
ASTM D2863
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
in air; ASTM D257
Surface Resistivity per Square 1.00e+17 ohm
1.00e+17 ohm
in air; ASTM D257
Dielectric Constant 3.5

@Frequency 60.0 Hz
3.5

@Frequency 60.0 Hz
in air; ASTM D150
Dissipation Factor 0.010

@Frequency 60.0 Hz
0.010

@Frequency 60.0 Hz
in air; ASTM D150
Descriptive Properties Value Comments
Basis Weight (g/m²) ASTM D3394
Compressibility (%) 1.2
ASTM D3392
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