Vectra® A950 Vectra® A Liquid Crystal Polyester Rod

Vectra® A950 Liquid Crystal Polyester Rods are made from a high-performance engineering thermoplastic. Part of our extensive range of rods, they’re available in 9 variations and offer properties including high strength, rigidity and creep resistance. Example applications are electrical insulators, connectors and components where dimensional stability at high temperatures is critical. The exceptional thermal and chemical resistance of Vectra® A950 Liquid Crystal Polyester Rods makes them suitable for automotive and aerospace uses.

Grade: Vectra® A950
Formula: Vectra® A
Diameter: 18mm
Length: 10mm
UOM Code: 561-852-75

SKU: 1000081526

Product Code: ES31-RD-000120

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Tolerances

Rod

Diameter		+20% / -10%

Tolerances

Rod

Diameter		+20% / -10%

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US$309.83

each

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Material Properties for Polymers

Chemical Resistance

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

Mechanical Properties

Element	Value
Coefficient of friction	0.12-0.14
Hardness - Rockwell	M60
Elongation at break( % )	3
Tensile modulus( GPa )	02-Oct
Izod impact strength( J m⁻¹ )	520
Abrasive resistance - ASTM D1044( mg/1000 cycles )	56
Tensile strength( MPa )	55-165

Electrical Properties

Element	Value
Dielectric constant @1MHz	3
Dissipation factor @ 1MHz	0.02
Dielectric strength( kV mm⁻¹ )	47@1.5mm
Surface resistivity( Ohm/sq )	4x10¹³
Volume resistivity( Ohmcm )	10¹⁶

Physical Properties

Element	Value
Flammability	V0 @ 0.8mm
Radiation resistance	Good
Resistance to Ultra-violet	Good
Limiting oxygen index( % )	35
Water absorption - equilibrium( % )	0.03
Water absorption - over 24 hours( % )	0.02
Density( gcm⁻³ )	1.4

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	220
Heat-deflection temperature - 1.8MPa( C )	180
Lower working temperature( C )	-200
Upper working temperature( C )	200-220
Specific heat( J K⁻¹ kg⁻¹ )	1000
Thermal conductivity( W m⁻¹ K⁻¹ )	0.18@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	-80