PLASTICS

PLASTICS

1. DEFINITION

   • Plastics consist of long chains of molecules, mostly made of the element carbon.

2. CLASSIFICATION

   • Thermoplastics
     • Thermosettings
       • Elastomers
         • Neoprene
         • Synthetic rubber
       • Melamine
       • PUR
       • UP
       • Bakelite
     • PET
     • PS
     • HDPE
     • PVC
     • Nylon
     • PP
     • LDPE

3. PROPERTIES

   • PHYSICAL
     • Optical
       • transparency, translucence, opacity
     • Acoustical
       • sound conductivity
     • Thermal
       • thermal conductivity
     • Electrical
       • electrical conductivity
     • Mechanical
       • hardness
       • malleability and ductility
       • elasticity and plasticity
       • toughness and brittleness
   • ECOLOGICAL
     • toxicity
     • renewability
     • recyclability
     • biodagradability
   • CHEMICAL
     • oxidation
     • permeability
     • corrosion

4. HOW TO PRODUCE PLASTICS

   • Moulding Techniques
     • Compression Moulding
     • Injection Moulding
     • blow moulding
   • Forming Techniques
     • Vacuum Forming
     • Extrusion
     • Calendering

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