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Vectra B® - 30% Glass Fibre Reinforced ( Liquid Crystal Polyester - 30% GFR )

Material Information

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General Description:  

   

Chemical Resistance		      
Acids - concentrated Fair
Acids - dilute Good
Alcohols Good
Alkalis Fair
Aromatic hydrocarbons Good
Greases and Oils Good
Ketones Good

Electrical Properties		      
Dielectric constant @1MHz 3.5
Dielectric strength ( kV mm-1 ) 38
Dissipation factor @ 1MHz 0.008
Surface resistivity ( Ohm/sq ) >1015
Volume resistivity ( Ohmcm ) 1013

Mechanical Properties		      
Compressive modulus ( GPa ) 21.5
Compressive strength ( MPa ) 150
Elongation at break ( % ) 1.0
Hardness - Rockwell M100
Tensile modulus ( GPa ) 22
Tensile strength ( MPa ) 205

Physical Properties		      
Density ( g cm-3 ) 1.60
Flammability V-0
Limiting oxygen index ( % ) 50
Radiation resistance Good
Resistance to Ultra-violet Good
Water absorption - equilibrium ( % ) 0.08
Water absorption - over 24 hours ( % ) 0.009

Thermal Properties		      
Coefficient of thermal expansion ( x10-6 K-1 ) 3-13
Heat-deflection temperature - 1.8MPa ( C ) 235
Specific heat ( J K-1 kg-1 ) 1626
Upper working temperature ( C ) 200-220


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.
Standard products are available in these forms
Rod Sheet

Choose a form to search our on-line catalogue