Polycarbonate Rod

Polycarbonate Rod combines exceptional impact resistance, optical clarity, and dimensional stability, making it a top choice for precision-machined, load-bearing, or transparent structural components. In rod form, it offers uniform strength across its cross-section, enabling reliable performance in shafts, spacers, safety guards, and optical test fixtures. Industries such as aerospace, medical device manufacturing, and engineering prototyping value its ability to maintain toughness under repeated mechanical stress, UV exposure, and thermal cycling. Specific uses include transparent load-bearing posts in protective enclosures, precision rollers in cleanroom environments, and medical alignment pins. In research, polycarbonate rods are used in impact resistance testing, optical system calibration, and thermal deformation analysis. The combination of polycarbonate’s mechanical robustness and rod geometry’s structural versatility ensures consistent performance in both demanding industrial operations and advanced experimental setups.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Rod

Diameter		+20% / -10%

Material Properties for Polymers

Physical Properties

Element	Value
Abbe number	34
Flammability	V0-V2
Radiation resistance	Fair
Refractive index	1.584-6
Resistance to Ultra-violet	Fair
Limiting oxygen index( % )	25-27
Water absorption - equilibrium( % )	0.35
Water absorption - over 24 hours( % )	0.1
Density( gcm⁻³ )	1.2

Chemical Resistance

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

Mechanical Properties

Element	Value
Coefficient of friction	0.31
Hardness - Rockwell	M70
Poisson's ratio	0.37
Elongation at break( % )	100-150
Tensile modulus( GPa )	2.3-2.4
Izod impact strength( J m⁻¹ )	600-850
Abrasive resistance - ASTM D1044( mg/1000 cycles )	Oct-15
Tensile strength( MPa )	55-75

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.9
Dissipation factor @ 1MHz	0.01
Dielectric strength( kV mm⁻¹ )	15-67
Surface resistivity( Ohm/sq )	10¹⁵
Volume resistivity( Ohmcm )	10¹⁴-10¹⁶

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	140
Heat-deflection temperature - 1.8MPa( C )	128-138
Lower working temperature( C )	-135
Upper working temperature( C )	115-130
Specific heat( J K⁻¹ kg⁻¹ )	1200
Thermal conductivity( W m⁻¹ K⁻¹ )	0.19-0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	66-70