PET Rod

PET Rod combines high mechanical strength, rigidity, and excellent resistance to moisture and a variety of chemicals in a cylindrical form ideal for machining into precision components. Its dimensional stability and wear resistance make it valuable for mechanical, electrical, and optical engineering. Industries use PET rods for precision spacers, pump components, and insulating supports in electronics. Specific applications include stable mounts for optical assemblies, chemically resistant shafts in laboratory equipment, and wear-resistant guides in manufacturing systems. In research, PET rods are used to study long-term creep behavior, evaluate compatibility with surface coatings, and prototype mechanical components for harsh operating environments. The combination of machinability, structural performance, and environmental resistance makes PET rods indispensable in high-performance industrial and research settings.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Rod

Diameter		+20% / -10%

Material Properties for Polymers

Chemical Resistance

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

Mechanical Properties

Element	Value
Coefficient of friction	0.2-0.4
Hardness - Rockwell	M94-101
Poisson's ratio	0.37-0.44
Tensile modulus( GPa )	02-Apr
Izod impact strength( J m⁻¹ )	13-35
Tensile strength( MPa )	80, for biax film 190-260

Electrical Properties

Element	Value
Dielectric constant @1MHz	3
Dissipation factor @ 1kHz	0.002
Dielectric strength( kV mm⁻¹ )	17
Surface resistivity( Ohm/sq )	10¹³
Volume resistivity( Ohmcm )	>10¹⁴

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Good
Refractive index	1.58-1.64
Resistance to Ultra-violet	Fair?
Limiting oxygen index( % )	21
Water absorption - equilibrium( % )	0.7
Water absorption - over 24 hours( % )	0.1
Density( gcm⁻³ )	1.3-1.4

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	115
Heat-deflection temperature - 1.8MPa( C )	80
Lower working temperature( C )	20
Upper working temperature( C )	115-170
Specific heat( J K⁻¹ kg⁻¹ )	1200-1350
Thermal conductivity( W m⁻¹ K⁻¹ )	0.15-0.4@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	20-80