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PSU — SUPULIDE products
 High-Performance Engineering Plastics

PSU

Polysulfone

 High transparency  Heat resistance  Creep resistance  Chemical resistance
PSU — Polysulfone
PSU
High-Performance Polymers

PSU (Polysulfone) is an amorphous high-performance thermoplastic with excellent hydrolytic stability, broad chemical resistance and a service temperature up to 160°C.

Product name: PSU (Polysulfone)
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Description

PSU (Polysulfone) was the first commercial polysulfone resin. Tg ~185°C, excellent resistance to acids, alkalis and aqueous solutions. Inherently flame-retardant (UL94 V-0 without additives). Transparent amber colour. Easy to process by injection moulding and extrusion.

Applications

PSU is used in water filtration membranes, food service equipment, medical devices, electrical connectors and chemical process equipment.

Sensors & connectors Sensors & connectors
Electrical connectors Electrical connectors
Food service Food service
Filtration membranes Filtration membranes
Grade Class Description
PSU U3060 Membrane grade High viscosity — water treatment, haemodialysis, medical devices
PSU U4060 Extrusion grade Medium viscosity — rods, sheets, tubes, medical devices

BASF — Ultrason® S PSU

Ultrason® S — BASF polysulfone range (Germany) with three base viscosity grades and two glass-filled modifications (G4 = 20% GF, G6 = 30% GF) for improved stiffness and heat resistance.

Grade Density, g/cm³ MFR, g/10 min
Ultrason® S PSU 2010 1,23 90
Ultrason® S PSU 3010 1,23 40
Ultrason® S PSU 6010 1,23 30
Ultrason® S PSU 2010G4 1,38 40
Ultrason® S PSU 2010G6 1,46 30

Holand® PSU

Holand series® PSU with Tg around 190 °C includes standard grades of various viscosities, powder form for membrane applications and glass-filled grade GL20 with key flammability class V0.

Grade Density, g/cm³ MFR, g/10 min Tg, °C Tensile str., MPa Vol. resist., Ω·cm Diel. str., kV/mm UL flam.
Holand® PSU S100 (powder) 1,24—190— —17V2
Holand® PSU S200 1,243–619070 1,54×101316,1V2
Holand® PSU S300 1,247–1119169 1,54×101315,9V2
Holand® PSU S300GL20 1,404–10—100 —19V0

MFR — melt flow index; Tg — glass transition temperature; GL20 — 20% glass fibre