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Industrial Plastic Supply, Inc.your best resource for plastic materialquality without compromisePolysulfone - PSU

Polysulfone - PSU

Polysulfone is an amazing, machinable medical grade Performance Plastic

Polysulfone- PSU

This material is used frequently in the Medical and Pharmaceutical Manufacturing. Common use in Aircraft, Aerospace and Appliance Manufacturing.This amber colored plastic material is machinable and can be used in a wide range of instrumentation applications.

Polysulfone is a popular material for tight tolerance and high heat. Excellent for Electrical and Electronic, Medical Instruments and Trays. Polysulfone – PSU has several trade names: Tecason S®, Unifone®, Ensifone®, Thermalux®, Udel®, Ultrason® and others.

We Specialize in Engineering Plastics, Mechanical Plastics and Polysulfone High Performance Plastics

Why use Polysulfone – PSU:

  • Excellent Mechanical and Electrical Properties
  • Very Dimensionally Stable
  • Repeat Sterilization and Autoclavable
  • UL 94 V-O @.176? thickness
  • Easily Machinable and Chemical Resistance

This materials is…an amorphous high performance thermoplastic material that has proven performance at elevated temperatures. Great mechanical properties with thermal stability allow for its use in load bearing applications over broad temperature ranges and close tolerance.

  • 320ºF Continuous Use Temperature
  • Flammability Rated at UL 94 V-0
  • High Impact Resistance
  • Low Moisture Absorption
  • Chemically Resistant To Many Acids and Solvents
  • Gamma Radiation Resistance

Applications – Frequently used in:

  • Food Equipment and Dairy Processing
  • Wear and Slide machined parts
  • Electronics Manufacturing and Fixtures
  • Pistons, Manifolds, Timing Screws, Scraper Blades
  • Food Processing Forming Dies


Materials Available As

Sheet – Plate

.032″ (1/32″) – 3.0″ in Natural (Amber Transparent) in 24″ X 48″

Round Rod:

.250″ – 6.0″ diameter in Natural (Amber Transparent) in various lengths


.001″ – .029″ in Natural (Amber Transparent) in 24″ wide roll stock, minimums apply


Call with your requirements, many sizes available, minimums apply

Special Formulations:

Non standard colors, thickness, size or formula, please call for details



Typical Material Properties:

General Property ASTM Test Typical Value
Specific Gravity D792 1.24
Tensile Strength Yield D638 10,200
Izod Impact – Notched D256 1.3
Hardness – Rockwell D785 R120
Deflection Temp @ 264psi D648 345
Deflection Temp @ 66 psi D648 358
Co. Thermal Expansion D696 3.1X10-5
Prop 65

These Properties are for evaluation purposes only.

This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed nor implied.