Archaeological Discoveries South American Indians knew about using natural latex to make utensils more than 1,000 years ago. The rubber balls excavated in Honduras can be used to trace the history of human rubber use to the 11th century. There is a kind of tree in the locality that will shed the slurry, and the slurry can be used to make utensils. The locals call this tree a tree of tears, that is, “Cahuchu” and because people find that rubber can erase the pencil writing, so take the English name. Is “rubber”.

When Columbus sailed for the second time in 1493-1946, he saw that the ball played by the Haitians could bounce off the ground, only to know that the ball was made from the slurry flowing out of the tree. Kind of substance. As a scientific documented rubber, the French Condamine, who participated in the meridian expedition of the Paris Academy of Sciences to South America in 1735, lived there for 8 years, detailed the rubber information, collected samples and sent them back to Paris. In 1747, French engineer C.F. Fresneau inspected the rubber tree in the forest of Guyana and wrote to Ccmdamine. These letters were read at the French Academy of Sciences in 1751, allowing Europeans to further consider the use of rubber