PSU Resin

PSU Resin Properties & 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.

Chemical NamePolysulphone
Specific Gravity1.37
Shrinkage0.67% to 0.75%
Melting Point392° F
 Deflection Temperature352-361° F
Service Temperature338° F


PSU is ideal as a high temperature metal replacement. Common applications for this engineered plastic resin are:

  • Medical
  • Automotive
  • Electrical Appliances
AdvantagesPSU offers a number of beneficial characteristics, including resistance to chemicals and heat. Other advantages are:

  • Low Moisture Absorption
  • High Strength
  • Very High Surface Temperature Limits
  • Low Creep
  • Good Electrical Characteristics
  • Self-Extinguishing Ability
  • Resistance to Common Greases
  • Resistance to Many Solvents
  • Resistance to Heat
  • Attacked by Some Solvents
  • Poor Weatherability
  • Subject to Stress Cracking
  • Difficult Processing