 | Gapping | | That type of deformation wherein any two layers become separated from each other causing an opening. |
| Ghosting | | A haze-like deposit of an adhesive left by a tape after its removal. |
| Gloss | | A shiny finish on a smooth surface such as vinyl or paint. |
| GP | | General Purpose |
| Grain | | The machine direction of paper as opposed to the cross direction. Also, a measurement of pressure-sensitive adhesive on a given area. |
| Gravure Coating | | The amount of coating applied to the web is metered by the depth of the over-all engraved pattern in a print roll. |
| Gravure Printing | | A printing process that employs minute engraved wells. Deeply etched wells carry more ink than a raised surface, hence print darker value shallow wells are used to print values. A doctor blade wipes excess ink from the cylindrical printing surface. |