Omnia Plastica PSU Polysulphone

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Omnia Plastica PSU Polysulphone
Categories:	Polymer; Thermoplastic; Polysulfone (PSU)
Material Notes:	It is a non-reinforced amorphous polymer whose main features are its high thermal, electrical and mechanical properties which are typical of a crystalline polymer. Compared to its "brother" PES it has lower thermal properties, although this level is still high when compared to most other engineering plastics. Features: Resistance to high temperature. Resistance to hydrolysis and steam. Mechanical properties : tensile stress, flexural strength, E.modulus Chemical resistance Electrical properties Transparency Weak Point: The cost is higher than conventional engineering plastics. It does not stand UV rays and is therefore not suitable for outdoor applications. Application: Electrical: the very good insulating and dielectric properties make it irreplaceable in many electrical applications: plates for circuits, coils, insulators. Mechanical: it is used for high performance applications such as bearings and precision gears at low as well as high temperatures. Chemical: the use in this field is ideal thanks to its high chemical and thermal resistance. Good resistance to mineral acids, alkali and salt solutions. PSU is attacked by esters, chlorine and aromatic hydrocarbons. Food contact: it is physiologically inert and is therefore used for parts in contact with food, even at high temperature. The excellent chemical properties make it suitable for pump components, flanges, etc. which are in contact with food liquids. Information provided by Omnia Plastica s.p.a. for semifinished products such as sheet, rod, and tube.
Vendors:

Available Properties

Density, ISO.1183 DIN.53479
Moisture Absorption at Equilibrium, 50% relative humidity
Water Absorption at Saturation, 23°C
Hardness, Rockwell M, ISO2039.2, dry sample
Ball Indentation Hardness, ISO2039.1 DIN.53456
Tensile Strength at Break, ISO.527 DIN.53455
Elongation at Break, ISO.527 DIN.53455
Tensile Modulus, ISO.527 DIN.53455
Compressive Strength, ISO.899 DIN.53444, 1% strain over 1000 hours
Charpy Impact Unnotched, ISO.R179 DIN.53453, 7.5 J
Charpy Impact, Notched, ISO179/3C DIN.53453
Coefficient of Friction, Dynamic, on dry ground steel; load =0.05MPa; speed =0.6 m/s
Volume Resistivity, ISO.93 DIN.53482
Dielectric Constant, ISO.250 DIN.53483
Dielectric Strength, ISO.243 DIN.53481
Dissipation Factor, ISO.250 DIN.53483
CTE, linear
Thermal Conductivity, DIN.52612
Maximum Service Temperature, Air, Continuous; 5000 hours based on a tensile stress of 50% at 23° C.
Maximum Service Temperature, Air, short period, no load
Deflection Temperature at 1.8 MPa (264 psi), ISO.75 DIN.53461
Minimum Service Temperature, Air, impact conditions and heavy loads not considered
Flammability, UL94
Flammability, UL94
Oxygen Index, ISO.4589

Property Data

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Manufacturer Notes:
Omnia Plastica s.p.a.

Category Notes
Plastic

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