Chapter 80 - Rubber Industry
2009-10-22*Includes China, North Korea and Viet Nam. Source: International Institute of Synthetic Rubber Producers 1994. RUBBER TREE CULTIVATION. Alan Echt. Natural rubber (cis-1,4-polyisoprene) is a processed plant product that can be isolated from several hundred species of trees and plants in many areas of the world, including the equatorial regions of Africa, Southeast Asia and South America.