POM Homopolymer Film

POM Homopolymer Film combines excellent mechanical strength, low moisture absorption, and high fatigue endurance in a thin, rigid format. Its higher crystallinity compared to copolymers results in improved tensile and flexural properties, making it valuable for wear surfaces, sealing layers, and precision spacers in engineering assemblies. Industries use POM homopolymer film for wear strips, low-friction liners, and chemically resistant gaskets. Specific applications include precision sealing elements in pumps, thin wear-resistant sheets in sliding mechanisms, and insulating barriers in mechanical assemblies exposed to solvents. In research, it is used for tribological surface testing, dimensional stability studies, and development of low-friction composite laminates. Its mechanical robustness, dimensional precision, and chemical resistance make it an important material in advanced manufacturing and engineering.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Foil/Film/Sheet

Thickness		±20%

Material Properties for Polymers

Chemical Resistance

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

Mechanical Properties

Element	Value
Coefficient of friction	0.2-0.35
Hardness - Rockwell	M94
Poisson's ratio	0.35
Elongation at break( % )	40-75
Tensile modulus( GPa )	2.9-3.1
Izod impact strength( J m⁻¹ )	75-130
Tensile strength( MPa )	70

Electrical Properties

Element	Value
Dielectric constant @1MHz	3.7
Dissipation factor @ 1MHz	0.005
Dielectric strength( kV mm⁻¹ )	20
Surface resistivity( Ohm/sq )	10¹⁵
Volume resistivity( Ohmcm )	10¹⁵

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Poor
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	15
Water absorption - equilibrium( % )	0.6-0.9
Water absorption - over 24 hours( % )	0.25
Density( gcm⁻³ )	1.42

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	170
Heat-deflection temperature - 1.8MPa( C )	135
Upper working temperature( C )	80-120
Specific heat( J K⁻¹ kg⁻¹ )	1500
Thermal conductivity( W m⁻¹ K⁻¹ )	0.22-0.24@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	122