resin

thumb|right|Insect trapped in resin thumb|upright|Cedar of Lebanon cone showing flecks of resin as used in the [[mummification of Egyptian Pharaohs ]]

AI overview

Resin is a sticky substance produced by plants like cedar trees that hardens over time and has been used historically for purposes like mummification. It's notable for its ability to preserve materials, as seen in amber where insects can become trapped and preserved for long periods.

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Commons category: Resins
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Article

13 sections

Contents

Composition
Examples
Rosin
Petroleum- and insect-derived resins
History and etymology
Non-resinous exudates
Uses
Plant resins
Animal resins
Synthetic resins
See also
References
External links

thumb|right|Insect trapped in resin thumb|upright|Cedar of Lebanon cone showing flecks of resin as used in the [[mummification of Egyptian Pharaohs ]]

A resin is a solid or highly viscous liquid that can be converted into a polymer. Resins may be biological or synthetic in origin, but are typically harvested from plants. Resins are mixtures of organic compounds insoluble in water, predominantly terpenes. Technically, resins should not be confused with gums, which consist predominantly of water-soluble polysaccharides, although these two terms are often interchangeable in the less formal context. Common resins include pine oleoresins, amber, hashish, frankincense, myrrh and the animal-derived resin, shellac. Resins are used in varnishes, adhesives, food additives, incenses and perfumes.