Envelope Terms – Glossary
The Priority Envelope Glossary offers a comprehensive look at the terminology commonly used in envelope design and production. Whether you’re new to envelope customization or a seasoned professional, understanding terms like window placement, flap styles, paper grades, and sealing methods is essential for making informed choices. This resource simplifies the technical jargon, giving you a clear understanding of the various options available for your custom envelope projects. With insights into everything from materials to production processes, our glossary helps you confidently select the right envelope features to meet your business or personal needs.
Glassine:
A smooth, dense semi-transparent paper. Sometimes used as window patch material.
Grain:
Direction in which most of the fibers lie in a finished sheet of paper. Paper folds more easily with the grain. It offers greater resistance to being torn across the grain, and demonstrates greater tensile strength in the direction of the grain.
Gum:
See Adhesives.
