
1) Composite material 2) German invention
Found on
https://www.crosswordclues.com/clue/duroplast

Duroplast is a composite thermosetting plastic, a close relative of formica and bakelite. It is a resin plastic reinforced with fibers (either cotton or wool) making it a fiber-reinforced plastic similar to fiberglass. ==Uses== Duroplast was used by the German Democratic Republic state owned automobile manufacturer called VEB Sachsenring Automobil...
Found on
http://en.wikipedia.org/wiki/Duroplast
No exact match found.