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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. The material is rigid, naturally biologically inert , resilient, electrically nonconductive , and thermoplastic , most commonly sourced from Palaquium gutta ; it is a polymer of isoprene which forms a ...
The Gutta Percha Company was an English company formed in 1845 to make a variety of products from the recently introduced natural rubber gutta-percha. Unlike other natural rubbers , this material was thermoplastic allowing it to be easily moulded .
Since the bulk is synthetic, which is derived from petroleum, the price of natural rubber is determined, to a large extent, by the prevailing global price of crude oil. [ 37 ] [ 38 ] Asia was the main source of natural rubber, accounting for about 90% of output in 2021. [ 39 ]
The India Rubber, Gutta Percha and Telegraph Works Company was a London-based company based in Silvertown, East London. It was founded by Stephen William Silver in March 1864 as Silver's Indiarubber Works and Telegraph Cable Company Ltd. [ 1 ] However in July that year the name was changed to the India Rubber, Gutta Percha and Telegraph Works ...
Gutta percha can be removed mechanically (use of Gates Glidden), [9] thermally (use of System B Tip), [10] and chemically (use of chemical solvents, however this method is not advocated nowadays due to difficulty in controlling the depth of softening) [9] The space that exists coronal to the remaining gutta percha, called the post space, is now ...
Worldwide, chloroform is also used in pesticide formulations, as a solvent for lipids, rubber, alkaloids, waxes, gutta-percha, and resins, as a cleaning agent, as a grain fumigant, in fire extinguishers, and in the rubber industry. [37] [38] CDCl 3 is a common solvent used in NMR spectroscopy. [39]
Each production technique generates products with slightly different properties. Key properties of low molecular weight polyethylene waxes are viscosity, density and melt point. Polyethylene waxes produced by means of degradation or recovery from polyethylene resin streams contain very low molecular weight materials that must be removed to ...
The seeds of Palaquium gutta are used to make soap and candles, occasionally in cooking. The latex is used to make gutta-percha . The timber is logged and traded as nyatoh .
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