Technical Data Sheet
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PSU Granules

PSU Granules are a thermoplastic polymer available in 16 variations. They exhibit high heat resistance, good dimensional stability and inherent flame retardance. These properties make them suitable for injection molding into precision components and transparent parts requiring heat resistance. PSU Granules can also be compression molded into stock shapes for machining into insulators, electrical connectors, and other parts needing dielectric strength and arc resistance.
Formula: PSu
Nominal Granule Size: 3mm
Weight: 10g
Viscosity: High Viscosity
Colour: Natural
CAS Number: 25135-51-7
UOM Code: 386-465-50
SKU: 1000157753
Product Code: SU34-GL-000110
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
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Technical Data Sheet
Safety Data Sheet

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Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair
Greases and Oils Good
Halogens Good
Ketones Poor
Electrical Properties
Element Value
Dielectric constant @1kHz 3.14
Dielectric constant @1MHz 3.1
Dissipation factor @ 1kHz 0.0013
Dissipation factor @ 1MHz 0.005
Dielectric strength( kV mm⁻¹ ) 17
Volume resistivity( Ohmcm ) 5x10¹⁶
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 30
Water absorption( % ) 0.4
Water absorption - equilibrium( % ) 0.85
Density( gcm⁻³ ) 1.24
Mechanical Properties
Element Value
Hardness - Rockwell M91
Elongation at break( % ) 50-100
Tensile modulus( GPa ) 2.48
Izod impact strength( J m⁻¹ ) 69
Tensile strength( MPa ) 70
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 174
Upper working temperature( C ) 150-180
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.26
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 56
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