Rubber elastic substance obtained from the exudations of certain tropical plants natural rubber or derived from petroleum and natural gas synthetic rubber.
What tree is rubber made from.
A brief history of rubber.
The rest goes.
Indians living in central and south america have learned how to made waterproof clothes and shoes using latex from rubber trees.
Because of its elasticity resilience and toughness rubber is the basic constituent of the tires used in automotive vehicles aircraft and bicycles.
More than half of all rubber produced goes into automobile tires.
Currently rubber is harvested mainly in the form of the latex from the rubber tree or others.
It s colored black because it s made from hard vulcanized rubber.
Natural rubber is made from the sap of the rubber tree which is extracted from the tree and then mixed with sulfur and white lead and heated in a process known as vulcanization.
Advertisement until the 1800s the sap from rubber trees known as latex was simply allowed to dry to form a basic rubber.
The latex then is refined into rubber that is ready for commercial processing.
Cultivated on plantations in the tropics and subtropics especially in southeast asia and western africa it replaced the rubber plant in the early 20th century as the chief source of natural rubber it has soft wood.
The latex is a sticky milky colloid drawn off by making incisions in the bark and collecting the fluid in vessels in a process called tapping.
Hevea brasiliensis the parĂ¡ rubber tree sharinga tree seringueira or most commonly the rubber tree or rubber plant is a flowering plant belonging to the spurge family euphorbiaceae it is the most economically important member of the genus hevea because the milky latex extracted from the tree is the primary source of natural rubber.