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.

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