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PBTR Resin

PBTR Resin Characteristics & Uses

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

Please Note: PMC does not sell the material listed below.  We only use the material list to inform visitors that we are experienced in processing these materials for many fine products.

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MaterialPBTR
Chemical NamePBTR; Polybutylene Terephthalate; PET; Polyester
StructureCrystalline/Amorphous
OpacityClear or Opaque
StrengthRigid/Stable
Specific Gravity1.34
Shrinkage1.5%-2.0%
Melting Point437°F
Deflection Temperature298°F-430°F
Service Temperature158°F
ApplicationsPBTR is often used in food/beverage, automotive, engineering, industrial and electrical applications. Below are some common industry components that leverage PBTR resins:

  • Alternator Housings

  • Motor Housings

  • Pump Housings

  • Electrical Connectors

  • Switches

  • Mirror Backs & Grill Supports

  • Head Lamp Reflectors

  • Highly-Stressed Engineering Parts

Advantages

  • Resistant to Solvents

  • Heat Resistant

  • Excellent Mechanical, Electrical & Thermal Properties

  • Good Dimensional Stability

  • Good Chemical & Weathering Resistance

  • High Stiffness & Strength

  • Good Heat Aging Performance

Disadvantages

  • Not Suitable for Hot Water Service

  • Post-Mold Warpage and Stress Cracking is Possible

  • Slow Cycle Times