Unplasticized PVC Film

PVC Unplasticized Film is a rigid form of polyvinyl chloride supplied in thin, sheet-like layers that combine high chemical resistance with mechanical strength. Its rigidity and insulating properties make it a preferred choice in electrical, packaging, and construction industries. Specific applications include dielectric films for capacitors, chemically resistant packaging, and protective laminates for building surfaces. Industries employ this film where clarity, rigidity, and resistance to oils and acids are required. In research, unplasticized PVC films are investigated for their dielectric constant, photodegradation mechanisms, and role in multi-layer composites. With its ease of thermoforming and machinability, PVC unplasticized film ensures consistent performance in both industrial manufacturing and experimental studies where stability under load and chemical resistance are paramount.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil

Thickness		±20%

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Good-Poor
Acids - dilute	Good
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Poor
Greases and Oils	Good
Halogenated Hydrocarbons	Fair-Poor
Halogens	Fair
Ketones	Poor

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.7-3.1
Dissipation factor @ 1kHz	0.025
Dielectric strength( kV mm⁻¹ )	14
Volume resistivity( Ohmcm )	10¹⁶

Physical Properties

Element	Value
Flammability	V0
Radiation resistance	Fair
Refractive index	1.54
Resistance to Ultra-violet	Good
Limiting oxygen index( % )	42
Water absorption - over 24 hours( % )	0.03-0.4
Density( gcm⁻³ )	1.4

Mechanical Properties

Element	Value
Hardness - Rockwell	R106-120
Elongation at break( % )	60
Tensile modulus( GPa )	2.5-4
Izod impact strength( J m⁻¹ )	20-1000
Tensile strength( MPa )	25-70

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	70
Heat-deflection temperature - 1.8MPa( C )	67
Lower working temperature( C )	-30
Upper working temperature( C )	50-75
Specific heat( J K⁻¹ kg⁻¹ )	1000-1500
Thermal conductivity( W m⁻¹ K⁻¹ )	0.12-0.25@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	75-100