Based on the u s. Thailand and indonesia are two of the leading rubber producers.

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In any case rubber is made from two main sources.

What are rubbers made of. There are various types of polymers used for making synthetic rubber types. Making erasers 9 rubber arrives at the eraser factory and is mixed with pigments vegetable oil pumice sulfur and other ingredients that modify the properties of the final product. Due to this different types of synthetic rubbers have different properties that are tailored for specific needs of rubber products industries.

It s written more succinctly than i would have done. Although early forms of rubber were made from natural sources as demand increased for this material scientists developed artificial or synthetic rubber in laboratories that mimicked the natural material. The most prevalent synthetic rubber is styrene butadiene rubbers sbr derived from the copolymerization of styrene and 1 3 butadiene.

Styrene butadiene rubber is generally shipped to manufacturers in bags made of polyethylene plastic each holding 75 lb 34 kg of rubber. Rubber was invented in 1839 by charles goodyear. Natural rubber also called india rubber or caoutchouc as initially produced consists of polymers of the organic compound i.

Naturally produced latex and petroleum. As exxonmobil chemical s report said gums made with butyl rubber base will never decompose. If you want to know what is rubber made of then you have to know about the distinct kinds of rubber that exist.

I found an excellent and concise answer for you online on wikipedia. Other synthetic rubbers include. Thus the type of rubber made from chemicals to act as the substitute for natural rubber is the synthetic rubber.

Synthetic rubber is basically a polymer or an artificial polymer. It has the property of undergoing elastic stretchability or deformation under stress but can also return to its previous size without permanent deformation. However it will eventually degrade.

Natural rubber also called india rubber latex amazonian rubber caucho or caoutchouc as initially produced consists of polymers of the organic compound isoprene with minor impurities of other organic compounds plus water. Department of energy office of scientific and technical information s osti report it takes butyl rubber o rings about 15 years to degrade. He accidentally dropped sulphur and white latex from a rubber tree on a hot stove.

These days most rubber produced is of the synthetic kind. Polyisoprene prepared by polymerization of synthetic isoprene. This resulted in the formation of a dark elastic substance which came to be called vulcanized rubber.

Synthetic rubber like other polymers is made from various petroleum based monomers. Synthetic rubber is a man made rubber which is produced in manufacturing plants by synthesizing it from petroleum and other minerals.