Vectra B® - Liquid Crystal Polyester/amide copolymer ( Vectra B )
Material Information
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Common Brand Names:
Vectra B
General Description:
General Description : See Vectra A.
Chemical Resistance
Acids - concentrated Good-Poor
Acids - dilute Good
Alcohols Good
Alkalis Fair
Aromatic hydrocarbons Good
Greases and Oils Good
Ketones Good
Electrical Properties
Dielectric constant @1MHz 3.1
Dielectric strength ( kV mm- 1 ) 37 @ 1.5mm
Dissipation factor @ 1MHz 0.01
Volume resistivity ( Ohmcm ) 101 6
Mechanical Properties
Compressive strength ( MPa ) 84
Elongation at break ( % ) 1.3
Hardness - Rockwell M100
Izod impact strength ( J m- 1 ) 415
Tensile modulus ( GPa ) 2.5-20
Tensile strength ( MPa ) 87-188
Physical Properties
Density ( g cm- 3 ) 1.40
Flammability V0 @ 0.4mm
Limiting oxygen index ( % ) 50
Radiation resistance Good
Resistance to Ultra-violet Good
Water absorption - equilibrium ( % ) 0.1
Water absorption - over 24 hours ( % ) 0.03
Thermal Properties
Coefficient of thermal expansion ( x10- 6 K- 1 ) -5 to +40
Heat-deflection temperature - 1.8MPa ( C ) 200
Specific heat ( J K- 1 kg- 1 ) 1000
Thermal conductivity @23C ( W m- 1 K- 1 ) 0.18
All information and technical data are given as a guide only. Although
every effort has been made to ensure that the information is correct, no
warranty is given as to its completeness or accuracy.
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