Latex
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Latex is an emulsion of polymer microparticles in water. Latices are found in nature, but synthetic latices are common as well.
Tapping of latex from Hevea brasiliensis, for use in rubber production
Rubber tapping latex
Opium poppy exuding fresh latex from a cut
Gutta-percha
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Gutta-percha is a tree of the genus Palaquium in the family Sapotaceae, which is primarily used to create a high-quality latex of the same name. Most commonly sourced from Palaquium gutta, the materia
Palaquium gutta
Gutta-percha tree
Cable manufacturing with gutta-percha at the Telegraph Construction and Maintenance Company in Greenwich, London, circa 1865
Members of a Kayan tribe in Borneo harvesting the sap of a gutta-percha tree c. 1910