Polyaramid Film (Polymetaphenylene isophthalamide)

Formula: Polymetaphenylene isophthalamide

Form: Foil/Film/Sheet

Material: Polyaramide (PA)

Commodity: Polymers

Polyaramid film (Polymetaphenylene isophthalamide) is a high-strength, high-modulus synthetic fiber film offered by Goodfellow in a range of 7 variations. Known for its impressive tensile strength, stiffness, abrasion resistance and chemical resistance, polyaramid film is used in a wide variety of applications, including bulletproof body armor, sails, ropes, cables, brake pads and composites. With Goodfellow's extensive selection of polyaramid film available in different thicknesses, widths, lengths and colors, engineers can source the specific film properties needed for their project.

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Technical Data Sheet Safety Data Sheet Tolerance Properties

each

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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Polyaramid Film (Polymetaphenylene isophthalamide)

Tolerances

Material Properties for Polymers