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Which wood and paper products still use natural adhesives?

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Why does glue stick? — adhesive Overview of how glue and other adhesives work.

Natural adhesives, primarily derived from animal or vegetable sources, continue to be used in various wood and paper applications despite the widespread adoption of synthetic alternatives.12

Common Applications

Natural adhesives are still utilized in the production of:
* Wood products: These include furniture construction and general wood joining, where animal glues and casein glues are employed. Casein glue is particularly noted for its moisture resistance and aging characteristics in wood bonding.12345
* Paper products: Starch and dextrin—extracted from sources like corn, wheat, potatoes, or rice—are widely used in corrugated board, packaging, envelopes, cartons, and book bindings. Additionally, casein is used in paper coatings to provide suitable surfaces for illustrations.1675
* Other uses: These adhesives are also found in bottle labels, laminated films, foils, sandpaper manufacture, and heavy gummed tapes.123

While synthetic resins have replaced many traditional glues, environmental regulations and a growing interest in renewable resources have led to renewed attention toward these natural, plant- and animal-based materials.15