Assertion: hydrazine's derivative | /r/ObjectUse | used as pmma
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Azoic initiator (AZDN) range: with a physical appearance of white powder, these hydrazine hydrate derivatives are mostly used as polymerization initiators (carbon fibers, PMMA, polyacrylamide, etc.) or as blowing agents for foam composites.