parting compound[′pärd·iŋ ‚käm‚pau̇nd]
A material, such as silica or graphite, used to facilitate the separation of the cope and drag parting surfaces.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A material applied to one or both surfaces of a sheet to prevent adhesion to other sheets; a release agent.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.