Lexan® 943 Polycarbonate Rod

Lexan® 943 Polycarbonate Rod is valued for its combination of toughness, dimensional stability, and optical clarity, making it highly adaptable in both scientific and industrial settings. In rod form, it provides machinability and structural strength while maintaining resistance to impact and thermal stress. Industries such as aerospace, automotive, electronics, and optics employ this material for critical applications requiring durability and precision. Specific uses include transparent housings, load-bearing optical fixtures, and protective components in harsh environments. Research on Lexan® materials highlights the modifications achievable through ion implantation and irradiation, which enhance hardness, wear resistance, and optical behavior, reinforcing its role as a platform for advanced materials science. Applications in automotive forward lighting and high-strain-rate impact environments also demonstrate its technological importance. By merging performance reliability with adaptability, Lexan® 943 Polycarbonate Rod stands as a key contributor to innovation in engineering and applied sciences.

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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