4. Origin and history
Origin: South America.
Seeds were brought to Europe in the XIX
century.
Small plants were sent to some Southern
Asian countries.
Current sources: Brazil, Malaysia, Congo…
8. What is it?
Elastomer, more elastic under stress than
others.
Can return to previous size after stress.
Substitute of natural rubber.
9. Origin and history
Bouchardat created a type in 1897.
Fritz Hofmann obtained first synthetic
rubber in 1909.
It take a big demand in vehicles.
10. Properties
Resistant again heat and flames.
Flexible in low temperatures.
Electricity and heat insulator
Resistant to wear aging.