PSU — Polysulfone
PSU is an amorphous high-performance plastic with high heat deflection, good transparency and good hydrolysis resistance.
What is PSU?
PSU is an amorphous high-performance plastic with high heat deflection, good transparency and good hydrolysis resistance.
Typical properties
| Density | ~1.24–1.25 g/cm³ |
| Tensile strength | ~70–85 MPa |
| Heat deflection | high |
| Dimensional stability | good |
Typical applications
MembranesMedical partsElectrical componentsWater technologyTechnical housings
Industries
Medical technologyWater treatmentElectrical industryFood technologyIndustrial plants
Processing
Injection moulding and extrusion at high temperatures. Drying is required.
How NSB supplies PSU
NSB Polymers trades PSU in Prime, Near-Prime, Wide-Spec, Off-Grade and Stocklot qualities — sourced from 50+ producers and 200+ trading partners worldwide. Available lots change weekly.
Related materials
Typical guide values only. Actual density, tensile strength, MFI, heat deflection and processing behaviour vary by producer, additive package, reinforcement content, moisture, colour, recycled content and quality level (Prime, Near-Prime, Wide-Spec, Off-Grade, Stocklot). These values are not a specification and no guarantee of suitability for a specific application — binding are only written offers and agreed specifications. See our Note on product information.
Request PSU
Pre-filled with your material — please add quantity and shipping address.