PPSU Film

PPSU Film is a high-performance polyphenylsulfone sheet material combining exceptional impact strength, transparency, and resistance to hydrolysis and sterilization processes. Known for its toughness and ability to withstand repeated autoclave cycles, PPSU film is widely used in biomedical, aerospace, and electronic engineering industries. Specific applications include transparent medical device housings, insulating layers in high-temperature electrical assemblies, and protective coatings in aerospace structures. In research, PPSU films are studied for their resistance to stress cracking, long-term hydrothermal stability, and potential in next-generation high-temperature polymer composites. Their combination of optical clarity, mechanical resilience, and resistance to harsh sterilization protocols ensures PPSU films are vital in demanding industrial applications and materials research.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Foil/Film/Sheet

Thickness		±20%

Material Properties for Polymers

Electrical Properties

Element	Value
Dielectric constant @1kHz	3.45
Dissipation factor @ 1kHz	0.0009
Dissipation factor @ 1MHz	0.005
Dielectric strength( kV mm⁻¹ )	14.1
Surface resistivity( Ohm/sq )	>10¹³
Volume resistivity( Ohmcm )	>10¹⁴

Physical Properties

Element	Value
Flammability	V-0
Limiting oxygen index( % )	44
Water absorption( % )	1.2
Water absorption - equilibrium( % )	0.6
Water absorption - over 24 hours( % )	0.35
Density( gcm⁻³ )	1.29

Mechanical Properties

Element	Value
Hardness - Rockwell	M80/R122
Elongation at break( % )	30
Compressive modulus( GPa )	1.7
Tensile modulus( GPa )	2.5
Izod impact strength( J m⁻¹ )	700
Tensile strength( MPa )	76

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	210
Heat-deflection temperature - 1.8MPa( C )	200
Upper working temperature( C )	180-210
Thermal conductivity( W m⁻¹ K⁻¹ )	0.35
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	55