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PSU polysulfone​


PSU plastic (polysulfone​) is a translucent light brown un-reinforced thermoplastic offering high mechanical strength, good creep resistance & high dimensional stability across a range of service temperatures (-50°C​/+160°C​). Very good resistance to hydrolysis which makes TECASON S PSU plastic suitable for repetitive steam sterilisation such as autoclave environments.

  • High mechanical strength, hardness & stiffness across a wide range of service temperatures
  • Excellent steam & hot water resistance in repetitive autoclave environments
  • High toughness even at low temperatures
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​8mm to 150mm OD


25mm ID to 255mm OD


​10mm to 80mm Thick



​Modified Grades


Cut To Size

No - minimum order quantities apply


​Food Grade

​TECASON S PSU plastic is FDA compliant​, non-toxic & can be used in repeated contact with food products. Food Certification documentation can be supplied  at time of order to align with your production batch. (charges apply).

​Polycarbonate Replacement

TECASON S PSU is an excellent replacement for polycarbonate when you require higher service temperatures​, increased chemical resistance or you need your component to operate in a steam environment such as an autoclave.


​Widely used in industries where repeated cleaning & sterlisation is required making it the perfect material for autoclave environments. Commonly used for connectors, high frequency insulators, lamp sockets, antenna sockets, oil level indicators, microwave dishes, valve spools, flanges, pump cases & inspection windows.

TECASON S PSU Properties

Long Term Service Temp
Temperature - Long Term Service Temp-50°C to +160°C
Moisture Absorption
Low - Moisture Absorption
UV Stable
No - UV Stable
Compressive Strength
Medium - Compressive Strength
Impact Strength
Low - Impact Strength
Tensile Strength
Medium - Tensile Strength
Coefficient of Friction
High - Coefficient of Friction
Abrasion Resistance
Very Low - Abrasion Resistance
High - Cost

TECASON PSU Plastic Range

Product TypeProduct CodeAvailable Products & Notes
TECASON S PSUPSU NaturalRod, Tube, Sheet - Amber
Some items are manufactured & imported as requested


Ensinger Plastics - Germany

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