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The Origin Of Rubber And The Composition Of Rubber Sheet
Jan 05, 2018

According to the literature, the balls were so resilient that the visiting Spaniards thought the ball was possessed by evil spirits. Rubber is also used as a strap to tie a wooden handle to a stone or metal appliance, and a filler for a handle.

The Mayans can use rubber to make shoes. Although Central American Aborigines are not as formally vulcanized as modern humans, they can still use organic matter to reach similar effects, such as mixing unprocessed emulsions with a different variety of sap or some vine juice.

Some indigenous Brazilians use rubber to make waterproof cloth. There have been rumours that the Portuguese had brought the clothes back to their motherland, terrified the fellow countrymen, and was accused of witchcraft and being tried.

After the rubber was introduced into the UK, it was found that the material could effectively erase the marks left by the pencil. So now the English rubber of rubber is also used to describe the eraser. Interestingly, today's Americans are accustomed to eraser title eraser, rubber is used to describe condoms.

The natural rubber origin of Hevea brasiliensis supply the most commercial rubber. It secretes a lot of sap that is rich in rubber emulsion when injured. Otherwise, the fig tree and some of the plants of the genus can supply rubber.

Germany in the Second World War because the rubber supply was intercepted, had tested from these plants to obtain rubber, but later changed to produce artificial rubber. The beginning of the rubber tree is good at South America, but through artificial transplant, now Southeast Asia also has a lot of rubber trees.

In fact, Asia has become the most important rubber provenance. Rubber made from silver chrysanthemum rubber can be cut sensitive. Other materials on rubber although it is artificial to surpass half of the rubber now, natural rubber is still important in some fields, such as automobiles and military industries.


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