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PLASTICS - Coggle Diagram
PLASTICS
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3 Formation techniques
3.2 Lamination
Thermoplastic produced by the extrusion method ls passed through a senes of hot cylinders to produce sheets of varying thtckness
3.3 Vacuum forming
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3 We extract the air below the sheet so that the plastic ts pulled against the instde walls of the shaped mould, and the desired form ts created
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4 We leave the mould to cool, then remove the obiect 
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3.1 Extrusion
Finally, we collect the pieces of plastic through a feeder system.
We put termoplastic, in granular form into a previously heater cylinder.
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We apply pressure by means of a large, rotattng screw, whtch forces the melted matenal out, through a nuzzle.
2 Clasification of plastics
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2.3 Elastomers
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2.1 Thermoplastics
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