DuPont™ Nomex® T411 Polyaramid Disc (Polymetaphenylene isophthalamide)

DuPont™ Nomex® T411 Polyaramid Disc is a polymetaphenylene isophthalamide foil offered by Goodfellow within their range of polyaramid products. This high-performance polymer exhibits excellent thermal, chemical, and radiation resistance. With its combination of high strength and stiffness, Nomex® is widely used in electrical insulation, high-temperature filtration, and protective apparel applications. Notably, the NASA Advanced Crew Escape Suit utilizes Nomex® for maximum astronaut safety and maneuverability. Goodfellow's Nomex® foils provide researchers and engineers with a versatile polyaramid material for testing and development across industries.

Grade: DuPont™ Nomex® T411
Formula: Polymetaphenylene isophthalamide
Thickness: 0.38mm
Diameter: 10mm
Production Method: Uncalendered Paper
UOM Code: 642-777-91

SKU: 1000029934

Product Code: AR31-FM-000181

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Tolerances

Disk

Thickness		±20%

Tolerances

Disk

Thickness		±20%

Technical Data Sheet

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Safety Data Sheet

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US$121.42

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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