Assertion: barium sulfate's compound | /r/ObjectUse | used for shielding
Facets:
Source sentences:
text: EcoMASS (a registered trademark of the PolyOne Corporation) is a combination of tungsten metal and nylon and elastomer compounds used for shielding, apparently based upon the Bray '379 patent related to ammunition and thus developed specifically in response to military/sporting needs for non-toxic ammunition.