A new CATIA V5 Materials/Fill Colors import option lets you specify how the incoming CATIA materials and object fill colors are processed when your file is translated to a .wire file.
Materials/ Fill Colors has two options:
For more information see CATIA V5 import options.
When using the Catia5ToAlias command line utility, this option is available with the -mat flag.
For more information see Catia5ToAlias.