Category: Other

A Brief Overview of Gummed Envelopes The introduction of inexpensive, self-sealing envelopes has challenged the ever-unpopular habit of manually licking or moistening envelope glue. However, the usual “lickable” gum seal offers numerous overlooked advantages compared to alternative self-sealing techniques. It was a great advancement in industrial technology when it was developed, and despite the dislike it received from many, it addressed much more issues than it caused.