That stuff is going take off and make those who invest all rich.
1968 - I was working on the American SST at Boeing.
. Titanium anyone!
I do remember Dustin Hoffman and pssst Plastics in The Graduate.
Perhaps sufficient time has past to make a big enough market - it has penetrated a lot of areas since the 60's. Boron fiber was in the race then also.
heh heh heh -
Basically I have no idea. Hexcell's bread and butter was aluminum honeycomb back then.