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DuPont™ Nomex® T993 - Medium Density Pressboard Polyaramid Film (Polymetaphenylene isophthalamide)

DuPont™ Nomex® T993 is a medium density pressboard polyaramid film from Goodfellow's range of polymetaphenylene isophthalamide (aramid) products. This polyamide polymer exhibits high strength and stiffness along with thermal and chemical resistance. Potential applications of Nomex® T993 include electrical insulation, high-temperature filtration, and protective equipment linings where its robust mechanical performance and thermal stability are advantageous. As part of Goodfellow's catalog of specialty films, this polyaramid offers unique properties to enable innovative material solutions.
Grade: DuPont™ Nomex® T993 - Medium Density Pressboard
Formula: Polymetaphenylene isophthalamide
Thickness: 3mm
Length 1: 50mm
Length 2: 50mm
Type: Pressboard
UOM Code: 537-108-77
SKU: 1000030210
Product Code: AR31-SH-000200

Tolerances

Foil
Thickness ±20%
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$202.36
each
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Tolerances

Foil
Thickness ±20%
Technical Data Sheet
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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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