Dextrin adhesives are usually typically brown in color. The most famous application, which is now outdated, is that of the lick glue, mouth valve glue, or also gumming glue on envelopes.
Dextrin adhesives have a limited adhesion range and are mainly used on porous surfaces such as paper, wood and cardboard. Also new, biobased, fiber-rich materials are in principle suitable for gluing with this vegetable glue. Dextrin adhesives generally have a low moisture percentage and a high wet tack (tack). Dextrin adhesives are very water-soluble, which promotes cleaning, but usually the water resistance for eg building applications is not good ..
Dextrin adhesives are generally very environmentally friendly.