Polysulfone – PSU

This material is used frequently in a Medical and Pharmaceutical Manufacturing. Common use in Aircraft, Aerospace and Appliance Manufacturing. A popular material for tight tolerance and high heat. Excellent for Electrical and Electronic, Medical Instruments and Trays. Polysulfone – PSU has several trade names: Unifone®, Ensifone®, Thermalux®, Udel®, Ultrason® and others.
Still not sure Polsulfone is the proper material for your application, consult our free Plastic Materials Selection Guide.
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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
Still not sure Polysulfone is the proper material for your application, consult our free Plastic Materials Selection Guide.
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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
Still not sure Polysulfone is the proper material for your application, consult our free Plastic Materials Selection Guide.

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 or implied.
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Materials Available As
Sheet:
.032″ (1/32″) – 3.0″ in Natural (Amber Transparent) in 24″ X 48″
Rod:
.250″ – 6.0″ diameter in Natural (Amber Transparent) in various lengths
Film:
.001″ – .029″ in Natural (Amber Transparent) in 24″ wide roll stock, minimums apply
Tube:
Call with your requirements, many sizes available, minimums apply
Special Formulations:
Non standard colors, thickness, size or formula, please call for details
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 or implied.
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Polysulfone Sheet and Polysulfone Rod are a common plastic ‘building block’, used in numerous applications. From model making to FDA compliant parts. In stock and ready to ship, cut to size or we can provide ‘blanks’ to ease your production.
Typical Resin 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 |
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 or implied
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“It is a bit hard to get, but it is the best material for our medical device. I appreciate all your efforts” – Samuel J.
“We find it better than most materials, and certainly cheaper than PEEK. Really fills the gap between these materials. Thanks for the extra assistance in getting it.” – Victor B.
Contact Us for Pricing
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 or implied.
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