Assertion: solid | /r/ObjectUse | used in composite propellants
Facets:
value: normally
type: DEGREE
Source sentences:
text: Composite modified double base propellants start with a nitrocellulose/nitroglycerin double base propellant as a binder and add solids (typically ammonium perchlorate (AP) and powdered aluminium) normally used in composite propellants.