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Tuesday, July 6, 2010

Plastic identification codes

Seven groups of plastic polymers which has specific properties.

Each of group has plastic identification code.

  • Polyethelene , Terephthalate
  • high density polyethelene
  • polyvinyl chloride
  • low density polyethelene
  • polypropelene
  • polystyrene
  • polycarbonate or ABS

Applications

  1. PET
  2. PVC
  3. HDPE
  4. Other plastics

Processes

  • Monomer recycling
  • Thermal deploymerization
  • Heat compression

Introduction

Plastic recycling is the process of recovering scrap of waste plastic and reprocessing the material in to useful products.