Material PSU

About Polysulfone (PSU)

Polysulfone (PSU) is a high-performance thermoplastic polymer known for its exceptional thermal stability, mechanical strength, and transparency. It belongs to the family of sulfone polymers and is highly valued for its ability to maintain performance under high temperatures and in chemically aggressive environments. PSU combines strength and stiffness with excellent hydrolytic stability, making it an ideal material for applications requiring durability and long-term reliability.
psu-new-1

Properties of PSU

properties-ptfe-1

Thermal Stability

Retains mechanical properties at continuous use temperatures up to 160°C (320°F).  

properties-pctfe-5

Mechanical Strength

High tensile strength and impact resistance.

transparency

Transparency

Naturally transparent, allowing for visual monitoring in applications. 

chemical-processing

Chemical Resistance

Resistant to a wide range of chemicals, including acids, alkalis, and oils.  

flexibility

Hydrolytic Stability

Maintains properties after repeated exposure to steam and boiling water.  

burn

Flame Resistance

 Exhibits low flammability and generates low smoke.  

properties-pctfe-6

Electrical Insulation

Excellent dielectric properties, even under elevated temperatures.

Specifications of PSU

pctfe-icon-1

Density

~1.24 g/cm³  

pctfe-icon-2

Melting Point

Amorphous (no distinct melting point); glass transition temperature ~185°C (365°F).  

pctfe-icon-3

Tensile Strength

~70–90 MPa

icn_3

Flexural Strength

~100–120 MPa  

pctfe-icon-4

Elongation at Break

~50–80%

pctfe-icon-5

Water Absorption

~0.3–0.4%

fire-proof

Flame Resistance

UL 94 V-0 rating  

Premium PSU Components Manufacturer!

Get Your Quite or Call : +91 99788 23122

Characteristics & Specialty of PSU

High Dimensional Stability

Minimal thermal expansion ensures precision in high-temperature applications.

Steam Sterilization Resistant

Ideal for applications requiring repeated autoclaving.

Ease of Processing

Can be molded and extruded into complex shapes with precision.

Long-Term Performance

Durable and resistant to environmental stress cracking.

Biocompatibility

Safe for use in medical and food-grade applications.

Enhanced Transparency

Suitable for applications requiring visual monitoring of internal processes.

Use Cases & Industrial Sector Applications

ppsu_2

Medical and Healthcare

- Components for medical devices requiring repeated sterilization, such as surgical instruments and trays.
- Dialysis membranes and housings for medical filtration.
food-beverage-industry-sector-app

Food and Beverage

- Food-safe components such as filters, containers, and processing equipment.
- Components used in hot water and steam environments.
water-treatment-sector

Water Treatment

- Membranes and housings for reverse osmosis and ultrafiltration systems.
- Components for handling hot, high-pressure water.
electronics

Electrical and Electronics

- Insulating components for high-temperature electrical systems.
- Dielectric components in sensitive electronic devices.
sector-apply-1

Aerospace and Automotive

- Lightweight, durable components for high-temperature environments.
- Applications requiring chemical resistance and low weight.

Other Applications

Industrial Machinery

– Parts exposed to high temperatures and aggressive chemicals, such as gears and seals.

– Components in fluid handling and steam systems.

feature-image

Laboratory Equipment

– Autoclave-resistant labware, including beakers, test tubes, and pipettes.

– Filters and membranes for laboratory analysis and testing.

feature-image

Oil and Gas Industry

– Components in harsh chemical environments, such as seals and connectors.

– Use in systems exposed to high-temperature fluids and gases.

feature-image

Construction

– Transparent or translucent panels and structural components.

– Durable coatings for pipes and fittings in plumbing systems.

feature-image