PET Resin

PET Resin Properties & Uses

To avoid improper resin selection, Contact PMC for additional help in determining the exact engineering resin required for your application.
Material PET
Chemical Name Polyethylene Terephthalate (Polyester)
Structure Crystalline/Amorphous
Opacity Clear or Opaque
Strength Rigid Stable
Specific Gravity 1.34
Shrinkage 2.1% to 2.5%
Melting Point 482° F
 Deflection Temperature 158° F – 176° F
Service Temperature 165° F

Applications

PET resin is the world’s most common packaging choice for food and beverages. Other common applications for this engineering resin are:

  • Highly-Stressed Engineering Parts
  • Structural Automotive Components
  • Electrical Connectors
  • Alternator Housings
  • Motor Housings
  • Pump Housings
  • Switches
  • Hand Tools
Advantages PET resin is a clear, strong and lightweight plastic belonging to the polyester family. Other PET resin advantages are:

  • Lightweight
  • High Stiffness & Strength
  • Good Heat Aging Performance
Disadvantages
  • Not Suitable for Hot Water Service
  • Post-Mold Warpage & Stress Cracking is Possible
  • Slow Cycle Times

For the most up-to-date information on engineering-grade resins, please visit: https://plastics.ulprospector.com/.

To avoid improper resin selection, Contact PMC for additional help in determining the exact engineering resin required for your application.