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palette de matières plastiquesThe plastics are organic materials of synthesisbased on the use of the macromolecules (polymeric). Rubbers are also gathered under this name.

 

Plastic = basic resin + auxiliary + additive

 

The raw material generally used is oil of which are extracted from the hydrocarbon molecules.They are then plain between them to form molecules of more important mass: polymers.4% of oil are used to manufacture plastics. We can also find oil in the toothpaste.

In addition to the resin, the additives are there to improve the chemical and physicalproperties of material, in particular the impact resistance, the color, plasticity, resistance to the ageing and so on.