Glossary

GAPS

The spacing between labels, both horzizontally and vertically.

For a visual guide and explanation, please click here.

GEAR MARKS

A defect in flexographic printing. Usually appears as uniform spaces, lateral variations in tone exactly corresponding to the distance between gear teeth.

GEARE STREAKS

In printing, parallel streaks appearing across the printed web at the same interval as the gear teeth on a cylinder. Same as gear marks.

GHOSTING/GHOSTS

Indistinct image patterns appearing as solids or reverse printing, typically caused by poor ink distribution, inconsistency in plate and/or substrate thickness, and/or poor base ink formulation.

GLOSS

Characteristic of the surface which causes it to reflect light at a given angle.

GRAIN

In papermaking, the direction in which most fibers lie and correspond with the direction of the paper traveling through the paper machine.

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