OK, have fun, fellas,, we may have here a non-tradenamed, several  spellings, 
designation for several "plastic" compositions. Our interest as  mp body 
material [by Rico et al] may be only one of these. The original  post to this 
discussion here, referred to machinability, so my thot was to the  graphite as a 
"lubricant" in thermoset hard rubber, and/or thermoplastic  ABS etc plastics. A 
high degree of uncertainity, HELP, y'all,   Don