1) Paper or board with different colors, textures, or finishes on opposite sides. Duplex papers may be produced by laminating two papers, each with different characteristics. Duplex art papers and boards are used in advertising and for books, envelopes, and note cards. Duplex blotting paper is used on printing machines.
2) Photographic paper with an image printed on both sides.
E.J.LaBarre, Dictionary and Encyclopedia of Paper and Paper-making, Swets & Zeitlinger, Amsterdam, 1969.
Sources Checked for Data in Record
- E.J.LaBarre, Dictionary and Encyclopedia of Paper and Paper-making, Swets & Zeitlinger, Amsterdam, 1969
- The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982