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Grade: ESD 60
Formula: POM-C
Form: Rod
Material: Polyoxymethylene (POM)
Commodity: Polymers
Diameter: 30mm
ESD 60 POM Copolymer Rod is a solid cylindrical form of polyoxymethylene copolymer engineered for electrostatic dissipation, combining the high mechanical strength, dimensional stability, and wear resistance of POM with controlled electrical conductivity. Its rod geometry offers structural rigidity and excellent machinability, making it ideal for precision components that require both mechanical integrity and ESD control. Industries such as electronics manufacturing, semiconductor fabrication, and automation use ESD 60 POM Copolymer Rod for applications including jigs, fixtures, and handling tools for sensitive electronic devices, as well as precision gears and bushings in environments where static control is critical. The copolymer structure enhances chemical resistance and long-term performance, while the electrostatic dissipative properties prevent charge buildup, reducing the risk of electrostatic discharge damage. In research and industry, ESD 60 POM Copolymer Rod provides a balanced solution for mechanical durability and ESD safety in high-precision, high-reliability applications.
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Tolerances

Rod
Diameter +20% / -10%

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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