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Formula: PPS
Form: Washer
Material: Polyphenylene sulfide (PPS)
Commodity: Polymers
The PPS Washer is part of Goodfellow's extensive range of bolt products, with 27 variations available. Made from polyphenylene sulfide (PPS), these washers offer excellent chemical resistance and dimensional stability under load. They are ideally suited to applications where resistance to hydrocarbons, acids, alkalis, and solvents is required. With options for a broad range of dimensions, the PPS Washer provides versatile fastening solutions for the chemical processing, oil and gas, and automotive industries.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Washer
Size See item

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Poor
Acids - dilute Fair
Physical Properties
Element Value
Flammability V0
Water absorption - over 24 hours( % ) 0.02
Density( gcm⁻³ ) 1.35
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 104
Upper working temperature( C ) 170
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.3 -
Thermal conductivity( W m⁻¹ K⁻¹ ) 23/ - 4.0
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.3
Thermal conductivity( W m⁻¹ K⁻¹ ) 23/
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4
Electrical Properties
Element Value
Surface resistivity( Ohm/sq ) 1x10¹⁶
Volume resistivity( Ohmcm ) 1x10¹³

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