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Plastic

Plastic is, in its most diverse forms, present in the daily life of each of us and, most of the time, we do not even realize its importance in the smallest aspects of human life. Plastic is inseparable from the modern lifestyle, and this extraordinary material has managed, over the last 150 years, to radically change the society in which we live, contributing to the raising of standard of living and general well-being: if we think of technological advances, surgical medicine, or even the Internet, it is easy to conclude that none of this would be possible without Plastic…

The full proof that the material of the 21st Century is Plastic is in front of our eyes, just to count how many of the objects that surround us at this moment are plastic…
There are, today, more than 1000 different plastics, used for the most diverse purposes.

But, after all, what is Plastic?

The word plastic has its origin in Greek plastikos, wich means moldable, an essential feature of these materials. Plastics are materials made up of long chains of molecules called polymers.

Classification (by physical properties):

Heat-resistant: they take the form of rigid products due to heat and chemical reactions and can not be re-molded by heat;

Elastomers: commonly known as rubbers, can be classified into two major groups, natural (eg Latex) and synthetic (eg, SBR);

Thermoplastics: soften when heated and harden again when they cool, allowing them to be shaped successively. More than 80% of commonly used plastics are of this type.