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Formula: POM-C
Form: Foil/Film/Sheet
Material: Polyoxymethylene Copolymer (POMc)
Commodity: Polymers
POM Copolymer films are engineering plastic films available in 32 variations. They’re made from polyoxymethylene (POM) copolymers with their key properties being high stiffness, hardness and thermal stability. POM Copolymer films are commonly used for small precision parts, food processing equipment, bearings, gears, rollers, and bushings that require excellent wear resistance. With a wide choice of different dimensions, colors and surface finishes available, our range of POM Copolymer films provide options to suit an array of engineering applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Good-Fair
Alcohols Good-Fair
Alkalis Good
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Halogens Poor
Ketones Good - Fair
Electrical Properties
Element Value
Dielectric constant @1MHz 3.7-4.4
Dissipation factor @ 1MHz 0.006-0.18
Dielectric strength( kV mm⁻¹ ) 20@2.3mm
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( % ) 0.6-0.8
Water absorption - over 24 hours( % ) 0.2-0.25
Density( gcm⁻³ ) 1.41
Mechanical Properties
Element Value
Hardness - Rockwell M80
Poisson's ratio 0.35
Elongation at break( % ) 15-40
Tensile modulus( GPa ) 2.3-2.8
Izod impact strength( J m⁻¹ ) 70-80
Tensile strength( MPa ) 60-70
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 160
Heat-deflection temperature - 1.8MPa( C ) 110
Lower working temperature( C ) -40
Upper working temperature( C ) 80-120
Specific heat( J K⁻¹ kg⁻¹ ) 1500
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.23-0.3@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 80-120

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