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DuPont™ Nomex® T992 Low Density Polyaramid Film (Polymetaphenylene isophthalamide)

Grade: DuPont™ Nomex® T992 - Low Density Pressboard
Formula: Polymetaphenylene isophthalamide
Form: Foil/Film/Sheet
Material: Polyaramide
Commodity: Polymers
Thickness: 1.5mm
Type: Pressboard
DuPont™ Nomex® T992 is a low density pressboard polyaramid film from Goodfellow's range of polymetaphenylene isophthalamide films. This product exhibits high thermal, mechanical, and chemical stability. Nomex® pressboard has low flammability and is self-extinguishing, making it suitable for electrical insulation applications. It also has very low moisture absorption, allowing it to retain its dielectric properties in humid conditions. Potential applications include electrical insulation, honeycomb structures, and high temperature filtration.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Good-Fair
Alcohols Good
Alkalis Good-Poor
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good
Ketones Good
Electrical Properties
Element Value
Dielectric constant @1kHz 2.3
Dielectric strength( kV mm⁻¹ ) 32
Volume resistivity( Ohmcm ) 6x10¹⁶
Physical Properties
Element Value
Radiation resistance Good
Limiting oxygen index( % ) 29
Water absorption - equilibrium( % ) 9
Water absorption - over 24 hours( % ) 0.08
Density( gcm⁻³ ) 1.38
Mechanical Properties
Element Value
Elongation at break( % ) 9
Izod impact strength( J m⁻¹ ) 533unnotched
Tensile strength( MPa ) 1800-3900
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 149
Upper working temperature( C ) 200-300
Specific heat( J K⁻¹ kg⁻¹ ) 1200
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 20

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