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How is rubber found? | History

How is rubber found? Tire is as old as nature

Gum is as old as nature. Were found fossils of plants that produce rubber, old almost 3 million years. In the ruins of which were built by the Incas and Mayans in South and Central America have been found in crude rubber bucket, at least 900 years old.
When Columbus first stepped foot in the New World, he saw the natives of Haiti to play a game ball made of rubber wood. Even before that, the people of Southeast Asia known as the tire made of the juice of a tree, and use changing baskets and containers - not to let the water - and for making torches.
In 1520. Car Montezuma urged Cortes and his soldiers at the event in Mexico, where the game is played with a rubber ball.
In 1763. The French La Condamine was sent to Paris in the report together with samples of rubber that has met his expeditions in South America. He described the natives as work shoes, warrior shields and bottles of rubber, and rubber that are used to create a waterproof fabric . Thus, it appears that the tire is one of the earliest human inventions.
gum is found in more than 400 different creeper, shrubs and trees. However, the amount of rubber in them is very different, and the tires are not worth scoop from plants such as dandelion, milkweed, or tuber. Rubber is sticky, elastic substance, which is obtained from milječne liquids, other than of vegetable juice; translation of natural or synthetic rubber in a networked structure. This material can be deformed quickly
This fluid is located in the cortex, root, stem, branches, leaves and fruits of plants and trees. But there is a maximum in the inner bark of branches and tree gumina wood.
Only one third of the dairy liquid rubber, and the rest is mostly water. Gumino tree thrives best in the area between the tenth grade and tenth degree of south latitude. This area, approximately 2,200 kilometers wide around the equator, known as the rubber band. best gum is obtained from wood Have brasiliensis. As the name says, the tree was first found in Brazil. Today it provides about 98% of world production of natural rubber, but is now cultivated in many parts of the world in the rubber band.

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