2.2.2 Rubber and natural rubber Natural rubber is consists of suitablepolymers of the organic compound that is liquid, lucent, like a milk, its property is colloid,small molecule and dissolution medium is water.วัร์ด์
The origin of natural rubber Rubber is harvested mainly in the form of the latex from certain trees. This tree is called Para rubber tree or Para rubber. The Para rubber tree is indigenous to around amazon-river ,Brazil and Peru. In South America,